Hello Friends in this article i am gone to share Coursera Course: Introduction to Hardware and Operating Systems All Weeks Quiz Answers with you..

Introduction to Hardware and Operating Systems
by IBM Skills Network

Enroll Link: Introduction to Hardware and Operating Systems

---

 

WEEK 1 QUIZ ANSWERS

Practice Quiz: Introduction to Computing Fundamentals and Operating Systems

Question 1)
Select the category of computers that includes personal computers, laptops, smartphones, and other single-user devices.

• Supercomputers
• Mainframe computers
• Minicomputers
• Microcomputers

Question 2)
Computers can use a variety of notational systems and data types. Select the answer that identifies which computer data type displays text, including emoticons, to computer users.

• Hexadecimal
• ASCII
• Unicode
• Bits and bytes

Question 3)
Select the best answer to fill in the blank. Multiple types of computers can interact with a network. __________________ are generally installed on networks enabling shared access to data, files, and media such as movies, videos, and sound clips.

• Internet of Things (IoT) devices
• Mobile devices
• Workstations
• Servers

Question 4)
Operating systems date back to the early 1900s, with several companies credited for their contributions. Select the option with the answers that correctly fill in the blanks. In _____, _______ created the first single-stream batch file operating system.

• 1991, Linux Torvalds
• 1985, Microsoft Windows
• 2013, Google
• 1956, GM Research

Question 5)
Select the option that matches the four methods you can use to sign in to a Microsoft Windows computer.

• Voice, Password, PIN, and Fingerprint
• PIN, Password, Photo, and Fingerprint
• PIN, Password, Bluetooth, and Voice
• Fingerprint, PIN, Photo, Bluetooth

 

Graded Quiz:  Introduction to Computing Fundamentals

Question 1)
Choose the option that lists the four functions of computing in the order that computers perform those functions.

• Input, Storage, Processing, Output
• Retrieval, Input, Transfer, and Output
• Retrieval, Input, Processing, and Output
• Input, Processing, Storage, and Output

Question 2)
Operating systems enable computing devices of the same type to consistently manage common tasks. Select the answer that describes the operating system that focuses on a single task, providing split-second response times known as low latency .

• Distributed operating system
• Batch operating system
• Multitasking operating system
• Embedded operating system

Question 3)
Select the answer that identifies the operating system generation compatible with multiple computer systems and featured processor timesharing.

• Fourth generation (1980 to present)
• First generation (1945 to 1955)
• Second generation (1955 to 1965)
• Third generation (1965 to 1980)

Question 4)
Fill in the blank. _____________________ applies rules for passwords, password retries, allowed programs, and other settings specific to the machine or a group.

• Process management
• Security management
• Policy management
• Memory management

Question 5)
Fill in the blank.

__________________ are physical objects that have sensors, processing ability, software, and other technologies that can exchange data with other devices and systems over the Internet or other communications networks.

• Mobile devices
• Internet of Things (IoT) devices
• Servers
• Portable gaming devices

Question 6)
Select the option that only includes computers that are software updatable but are generally not hardware upgradeable.

• Mobile phones, IoT devices, and portable gaming devices
• Laptops, Servers, and mobile phones
• Servers, workstations, and mobile Phones
• Workstations, IoT devices, and laptops

Question 7)
Binary numbers can take up a lot of space. Hexadecimal formatted numbers use less space, making them easier to display. Please select the options that use hexadecimal notation.

• IP addresses
• Website URLs
• MAC addresses
• Color

Question 8)
Select the method you would use to convert binary numbers to decimal numbers.

• Use the doubling method, starting with the right-most number.
• Divide your starting number by four, and divide each remainder by four until your remainder equals zero.
• Divide your starting number by 2 and divide each successive remainder by two until the remainder equals zero.
• Use the doubling method, starting with the leftmost number.

Question 9)
Select the option that describes the easiest way to maximize the size of a window.

• Click the box icon
• Press the Alt and Tab keys simultaneously.
• Click the double box icon
• Click the minus icon

Question 10)
Select the fastest method you can use to maximize the size of a window.

• Press the ALT and Tab keys simultaneously.
• Click the minus icon.
• Click the rectangle or single box, icon.
• Click the X icon.

---

 

WEEK 2 QUIZ ANSWERS

Practice Quiz: Computing Devices and Peripherals

Question 1)
To listen to music, a newscast, a webinar, you’ll need a ___________________. This output hardware device connects to a computer to generate sound using the computer’s audio, or sound, card.

• Webcam
• Mouse
• Microphone
• Speaker

Question 2)
____________ and ___________ are input devices that move the cursor on a computer screen by sending a command to the computer.

• Keyboards
• Speakers
• Mice
• Scanner

Question 3)
Which of the following storage options are both internal and non-volatile. Meaning that the data is retained even when the computer is without power?

• RAM, random-access memory
• ROM, read-only memory
• Onboard Cache
• External hard drive

Question 4)
If the monitor’s onscreen is too large or too small, how can you adjust the monitor’s resolution?

• Use Windows Task Manager
• Select Settings and locate the Display settings
• Use Windows Performance Manager
• Use Windows Device Manager

Question 5)
You are considering purchasing an external hard drive. Which of the following statements are true about external hard drives? (Please select all that apply).

• Most external hard drives connect to a computer using a USB or eSATA connection.
• External hard drives are usually optical drives that use CDs or DVD’s for storage
• External drives are usually slower than internal hard drives.
• External hard drives can store large amounts of data.

 

Graded Quiz: Computing Devices and Peripherals

Question 1)
Which of the following is considered an internal component of a computer? (Please select all that apply.)

• Random Access Memory (RAM)
• CPU
• Mouse
• Keyboard

Question 2)
Your friend has a business and needs a new printer for customer receipts. __________ printers heat specially coated paper to turn sections black and are used in point-of-sale terminals and fax machines.

• Thermal
• LED
• Inkjet
• Laser printer

Question 3)
The most-used input device, used primarily to input data and move the cursor, is the _____________.

• Touchpad
• Mouse
• Keyboard
• Joystick

Question 4)
What are three popular methods for including a touchpad device as part of a laptop?

• USB, serial port, HDMI cable
• DisplayPort, USB, serial port
• Parallel port, serial port, Bluetooth
• Built-in, USB, and WiFi

Question 5)
Before beginning the process to upgrade or add hard drive storage, what is the most important task to perform?

• Back up your data.
• Tighten the screws so that the hard drive won’t rattle in the case
• Turn off power to the machine
• Format the new hard drive

Question 6)
Select the response that places the steps in the correct order for adding a new hard drive to a computer.

Back up your data.

Remove the old hard drive.

Turn off power to the computer.

Use Device Management to configure the new drive.

Install the new hard drive.

• 1, 3, 2, 5, 4
• 3, 2, 1, 4, 5
• 1, 3, 2, 4, 5
• 1, 2, 3, 4, 5

Question 7)
True of false? Data is written to optical discs through a laser pressing that creates recessed areas (known as pits) and raised areas (known as lands).

• True
• False

Question 8)
Which of the following is true about external hard drives?

• External hard drives are generally slower than internal hard drives.
• External hard drives are generally optical drives.
• External hard drives are generally smaller than internal hard drives.
• Most external hard drives connect to a computer using a USB or eSATA connection.

Question 9)
A display device is a hardware component for the output of information. Select the devices that meet the definition.

• Printers
• Television sets
• Stylus
• Monitor

Question 10)
Audio devices refer to components that reproduce, record, or process sound. Select the devices that match this definition.

• Monitor
• Printers
• Microphone
• Speakers

---

 

WEEK 3 QUIZ ANSWERS

Practice Quiz: Interfaces and Connectors

Question 1)
When considering a new computer and future external hard drive usage, which port type allows hot swapping and is the most popular port for connecting external hard drives to computers?

• The Thunderbolt port
• The FireWire port
• The Type B port
• The eSATA port

Question 2)
What is the latest and most widely used interface standard for digital audio and video for televisions, Blu-ray players, computers, and other consumer electronics?

• VGA
• High Definition Multimedia Interface (HDMI)
• Thunderbolt
• Digital Visual Interface (DVI)

Question 3)
Professional creatives, including musicians and commercial content producers, need more ports than are usually available on a computer. Which of the following is used by audio professionals because of the better audio quality and the ability to connect to multiple input and output devices such as amplifiers, microphones, and speakers?

• External audio interface connectors
• Bluetooth connector
• Sound card connector
• USB connector

Question 4)
What type of wireless connection connects two devices over a short range and can transmit large streams of data?

• Radio Frequency Identification (RFID)
• Wi-Fi
• Near Field Communication (NFC)
• Bluetooth

Question 5)
Which component of the Windows operating system enables users to view and control the hardware attached to the computer?

• Network access
• Device Manager
• Performance Manager
• Plug and Play (PnP)

 

Graded Quiz: Interfaces and Connectors

Question 1)
___________________ enables communication between two or more entities and can be either physical or software.

• A connector
• A pronged plug
• A port
• An interface

Question 2)
What type of port allows hot swapping and is the most popular port to connect external storage devices such as external hard drives to computers?

• The eSATA port
• The USB port
• The Thunderbolt port
• The FireWire port

Question 3)
What is the latest and most widely used interface for digital audio and video for televisions, Blu-ray players, computers, and other consumer electronics?

• High Definition Multimedia Interface (HDMI)
• Thunderbolt
• DisplayPort
• Digital Visual Interface (DVI)

Question 4)
Sound cards have a__________________ to help external analog devices connect and communicate with the computer.

• game port converter
• USB converter
• digital-to-analog converter
• Bluetooth converter

Question 5)
Select the option that includes commonly found sound card audio connections.

• MIDI 15-pin connector and USB connector
• Thunderbolt, USB A, and blue line out connector
• USB, green analog line in, blue line out
• Light blue analog line in, lime green audio line out, and a pink microphone connection in

Question 6)
True or false? Wireless connections offer faster speeds of up to 5 gigabits per second compared to wired connections that have a peak speed of about 1 gigabit per second.

• True
• False

Question 7)
What type of wireless connector connects two devices over a short range and can transmit large streams of data?

• Radio Frequency Identification (RFID)
• Near Field Communication (NFC)
• Wi-Fi
• Bluetooth

Question 8)
True or false? Printers require software, known as drivers, for the computer and the printer to be able to communicate with each other.

• True
• False

Question 9)
Select the three options necessary to connect to a network printer.

• Plug in the printer cable and screw into the local computer.
• Access your operating system’s printer and scanner settings.
• If you don’t see the network printer you want to connect to, use the additional Windows search options.
• Verify your computer has a network connection.

Question 10)
What component of the Windows operating system allows users to view and control the hardware attached to the computer?

• Local area network (LAN)
• Plug and Play (PnP)
• IP-based peripherals
• Device Manager

---

 

WEEK 4 QUIZ ANSWERS

Practice Quiz: Internal Computer Components

Question 1)
Select the answer that best describes internal components that are part of a motherboard.

• Motherboards host primary storage, memory, cooling, and communications for a computer.
• Motherboards host the battery and the computer’s power supply.
• Motherboards host the computer’s monitor or display.
• Motherboards host the BIOS, battery, and power supply.

Question 2)
It’s time to look for a replacement hard drive. Which type of drive dominates today’s desktop and laptop market?

• Parallel Advanced Technology Attachment (PATA) drives
• Small Computer System Interface (SCSI) hard drives
• Solid-State Drives (SSDs)
• Serial Advanced Technology Attachment (SATA) drives

Question 3)
Which type of sound card is preferred by musicians who need to sequence music and play virtual instruments using a computer?

• Internal sound cards
• Musical Instrument Digital Interface (MIDI) sound cards
• External sound cards
• Integrated audio chipsets

Question 4)
Select the statement that describes a network interface card (NIC).

• Computers must have a NIC to connect to a network.
• A NIC connects computers to the Internet, but not to any other types of networks.
• A NIC must be an expansion card to be functional.
• A NIC translates network data from digital into analog and vice versa.

Question 5)
What method cools components by slowing the speed at which the hardware operates?

• Passive cooling
• Transfer heat by forced convection
• Heat sink compound
• Active cooling

 

Graded Quiz: Internal Computer Components

Question 1)
When you’re working with a computer, which term identifies the main printed circuit board?

• Chipset
• Motherboard
• Northbridge
• Southbridge

Question 2)
Which chipset directly connects to the CPU and is responsible for tasks that require the highest performance?

• Northbridge
• Southbridge
• Integrated circuit
• Peripheral Component Interconnect Express (PCIe)

Question 3)
What is a key characteristic of a solid state hard drive (SSD)?

• Typically provides faster access to the data
• Has moving parts, including platters and read/write heads
• Connects to the motherboard using a ribbon
• Needs disk defragmentation to maintain performance

Question 4)
It’s time to shop for a replacement hard drive for your user. What type of drive dominates today’s desktop and laptop market?

• Parallel Advanced Technology Attachment (PATA) drive
• Small Computer System Interface (SCSI) hard drive
• Solid-State Drive (SSD)
• Serial Advanced Technology Attachment (SATA) drive

Question 5)
Which statement is true about graphics processing units (GPUs)?

• GPUs are specialized processors that perform the processing tasks necessary to display or render graphics.
• GPUs are used almost exclusively by the video game industry.
• These specialized processors send audio signals to output devices.
• GPUs process pieces of data one at a time.

Question 6)
A sound card is an integrated circuit that generates a signal and sends it to a computer’s _______________.

• Musical Instrument Digital Interface (MIDI)
• Monitor
• Integrated audio
• Speakers

Question 7)
Your user needs to perform data modeling tasks with improved visualizations. What type of expansion card would support their needs?

• A network interface card (NIC)
• An accelerated graphics card
• Video capture card
• An interface card

Question 8)
Which device receives data from your Internet service provider (ISP) through the phone lines, optical fiber, or coaxial cable in your home (depending on your service provider) and converts the data into a digital signal?

• The Peripheral Component Interconnect Express (PCIe) connection
• The router
• The modem
• The network interface card (NIC)

Question 9)
What method cools computer components by slowing the speed at which a component, such as the processor, operates?

• Heat sink compound
• Passive cooling
• Static cooling
• Unforced convection

Question 10)
True or false? Fans, radiators, and other elements dissipate the accumulated heat energy, flowing heat away from vital internal parts, so those parts aren’t damaged by the heat generated inside the computer.

• True
• False

---

 

WEEK 5 QUIZ ANSWERS

Practice Quiz: Microsoft Windows Workstation Setup and Management

Question 1)
Which Microsoft Windows command option for files and folders temporarily places a file on the Clipboard so you can move the file to a new location?

• Edit
• Move
• Cut
• Delete

Question 2)
When you open the Settings app, selecting the Ease of Access option enables you to configure which Windows 10 features?

• Configure accessibility
• Configure a printer
• Configure localization
• Configuring storage options

Question 3)
Select the option that correctly compares communication protocols to communication permissions.

• Communication permissions are limited to internal application permissions, and communication protocols are restricted to internal “on board” communications.
• Communication protocols enable computers to communicate with people, and communication permissions allow computers to talk with each other.
• Communication protocols enable computers to communicate with each other, and communication permissions allow computer users to talk with each other
• Communication protocols work with internal communications, and communication permissions allow computers to communicate externally with other computers

Question 4)
Select the two disk configuration options used by Windows computers.

• HFS+
• EXT 4
• FAT32
• NTFS

Question 5)
Which Microsoft option provides easy access to evaluate the state or health of the computer?

• Disk Management
• System Maintenance
• Windows Update
• Device Performance and Health

 

Practice Quiz: Introduction to Workstation Evaluation, Setup, and Troubleshooting

Question 1)
Your organization has hired a new data scientist who needs a computer. Your data scientist will work a hybrid work schedule and access data sets using hybrid cloud. Based on the described specifications, select the computer that seems the best fit for this new employee.

• A fixed workstation with 1 GB SSD storage, 32 GB RAM, a discrete graphics card, and a separate widescreen monitor.
• A tablet with 256 GB storage, 8 GB RAM, and a standard graphics card.
• A mobile laptop with 512 GB hard drive, 32 GB RAM, and a discrete graphics card
• A mobile laptop with 512 GB hard drive, 8 GB RAM, and a standard graphics card

Question 2
Select the option that lists the final step in the six-step workstation setup process.

• Check the user’s ergonomics
• Environment
• Complete the workstation configuration for the user.
• Unboxing the computer

Question 3
Using the keyboard, which keys do you select on a macOS computer to capture either an entire screen or a portion of the screen as a photo or as a video?

• Command+ Shift+ 6
• Command+ Shift+ 4
• Command+ Shift+ 3
• Command+ Shift+ 5

Question 4
Select the option that is true for a disaster recovery plan.

• Disaster recovery plans describe general scenarios.
• Disaster recovery plans contain only the actions to be taken after a disaster.
• A disaster recovery plan describes an organization’s plan to restore functionality to its sales force.
• A disaster recovery plan describes an organization’s plan to restore functionality to its IT department.

Question 5
Select the Windows app, management tool, or utility you would use to confirm that the computer’s devices, components, or interfaces are working correctly.

• Device Manager
• Windows Memory Diagnostics
• Windows Event Viewer
• Windows Registry Editor

 

Graded Quiz: Introduction to Microsoft Workstation Setup and Management and Workstation Evaluation, Setup, and Troubleshooting

Question 1)
You are collaborating with a user who wants a different workstation—evaluating the user’s workstation requirements involves what considerations? Select all that apply.

• Asking the user about ergonomic accommodations
• Asking the user about the work locations
• The user’s brand preferences
• Asking the user how many peripherals they use

Question 2)
You’re assisting a user with many loose cables at his workstation. Select the option that describes a practice used for good cable management:

• Using as few devices with cables as possible
• Only using wireless devices
• Collecting and tying cables together
• Use of the Device Manager

Question 3)
You’ve installed Windows 10 on a new workstation, and you are setting up new user accounts. Select the option that includes all three account types you can set up.

• Administrator, Standard, Other
• Administrator, Restricted, Other
• Administrator, Standard, Adjunct
• Administrator, Standard, Restricted

Question 4)
Choose the keyboard shortcut option that captures an entire screen on a macOS computer.

• Command+ Shift+ 5
• Command+ Shift+ 4
• Command+ Shift+ 3
• Command+ Shift+ 6

Question 5)
Select the option that identifies the keyboard command that captures only the active window when using a Microsoft Windows 10 computer.

• Press the Ctrl, Alt, and Prt Scr keys simultaneously
• Press the PRT SCR key
• Press the ALT +PRT SCR key simultaneously
• Press the PRT key

Question 6)
Select the option that describes recommended file naming practices.

• File names should be as descriptive as possible, include at least one number, one special character, and use spaces in the name.
• File names should always include dates that use forward or back slashes.
• File names should be as descriptive as possible, preferably 25 characters or less, with no spaces.
• File names should consist of less than 50 characters, be as descriptive as possible, and avoid including spaces.

Question 7)
Select the command option for files and folders that temporarily places a copy on the clipboard so you can move the file to a new location.

• Move
• Edit
• Copy
• Cut

Question 8)
Select the option that matches the last step in the CompTIA Troubleshooting Model.

• Verify full system functionality
• Implement the solution
• Document findings, lessons learned, actions, and outcomes
• Implement preventive measures

Question 9)
Select the answer that correctly fills in the blank.
________________ is having a plan to deal with difficult situations, so an organization can continue to function with as little disruption as possible.

• Redundancy
• Fault tolerance
• Business continuity
• Disaster recovery

Question 10)
Select two considerations for planning a backup strategy.

• Cost
• The competitor’s backup strategy
• Method
• Differential

---

 

WEEK 6 QUIZ ANSWERS

Graded Quiz: Final Quiz

Question 1)
Select the answers that fill in the banks. The four functions of computing are _______, ________, ________, and _________.

• input, production, output, retention
• input, processing, output, storage
• input, processing, transformation, storage
• intake, processing, output, retention

Question 2)
While multiple types of computing devices can access networks, only __________________ are generally installed as stand-alone units on networks, enabling shared access to files, data, and media such as movies, videos, and sound clips.

• Internet of Things (IoT) devices
• servers
• mobile devices
• workstations

Question 3)
What is the base notational system for ”computer speak” and programming in bits?

• Decimal notation
• Interactive notation
• Hexadecimal notation
• Binary notation

Question 4)
Users experience screens that “freeze” or stop working, browser tabs that malfunction and close, out-of-memory and other on-screen errors, including the infamous “blue screen of death.” Select the two ways you can diagnose the cause of these RAM errors.

• In the Windows Taskbar search field, type “Windows Memory Diagnostic,” and run the diagnostic process.
• On Windows 10 computers, open the Task Manager, select the Performance tab, and view the Memory section.
• On Windows 10 computers, open the Performance Manager and view the Memory section.
• Uninstall a RAM module.

Question 5)
True or false? A computer’s output device is hardware that converts information into a human-readable form. Without an output device, there’s no way for a human to determine what the computer is doing.

• True
• False

Question 6)
You are the IT Support person responsible for purchasing a new SATA hard drive for a business analyst user. Select the three hard drive characteristics that will affect your purchase.

• Access time
• Transfer rate
• Spin speed
• Connector type

Question 7)
You get a request to help a user who says that they are having issues with the cursor movement. Select the two options that describe what you would do to help the user troubleshoot and fix their cursor issues.

• Check the mouse’s performance and consider updating its driver.
• Check the computer’s network connection.
• Change out the monitor.
• Check the keyboard connection and consider updating its driver.

Question 8)
You received a support call that a new monitor is not working with an existing computer. Select the option that describes the operating system function you would use to troubleshoot this issue.

• Windows Performance Manager
• Windows Memory Manager
• Settings and System Display
• Device Manager

Question 9)
What type of port was built by a consortium of seven companies to replace the many varieties of connectors available in the market with a simple-to-use, fast connector now used for multiple devices and peripherals?

• The USB port
• The Thunderbolt port
• The eSATA port
• The FireWire port

Question 10)
True or false? The processing power available from the graphics processing unit (GPU) affects on-screen graphics display quality.

• True
• False

Question 11)
Select the statement that describes the benefits of wired connections.

• Wired networks are more reliable for mission-critical applications because they offer consistent connectivity and speed.
• Wired and wireless networks offer equal security options to prevent hacking and data theft from external sources.
• Wired networks are more prone to radio interference, resulting in less network stability.
• Wired networks offer high speeds and are easy to set up and operate.

Question 12)
What type of device requires a local area network (LAN) or Internet installation and connection to function?

• Device Manager
• Plug and Play device
• Keyboard or mouse
• IP-based peripheral

Question 13)
Which form of memory is considered the fastest?

• Synchronous Dynamic Random-Access Memory (SDRAM)
• Dynamic Random-Access Memory (DRAM)
• Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM)
• Double Data Rate Fourth Generation (DDR4)

Question 14)
Optical drives, such as CDs and DVDs, provide what features? (Please select two that apply.)

• Virtually unlimited storage capacity
• Nonvolatile storage
• Portable storage
• Write-only storage

Question 15)
What type of graphics processing unit (GPU) provides energy-efficient, cost-effective graphic displays suitable for computer users who perform general office work?

• Upgradeable GPU
• Integrated GPU
• Discreet GPU
• Dedicated GPU

Question 16)
What type of cooling method fills gaps between the central processing unit (CPU) and other heat-generating components, enabling dissipation of the excess heat?

• Liquid-based cooling system
• Heat sink compound
• Passive cooling
• Active cooling

Question 17)
True or false? Windows 10 allows you to set up a user without a Microsoft account by creating a user ID and password, then providing answers to three security questions.

• True
• False

Question 18)
Select the three operating system platforms that provide full and partial screen capturing capabilities using keyboard commands.

• Chromebook
• Linux
• MacOS
• Windows 10

Question 19)
Which file security property enables the hidden attribute, making the file inaccessible to ordinary computer users?

• Archive attribute
• Hidden attribute
• System attribute
• Read-only attribute

Question 20)
What is the first step to take when troubleshooting an issue on your computer?

• Gathering information on the issue
• Triaging the problem
• Establishing a plan of action
• Identifying symptoms