Computer Science Module 3 Practice Test
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Questions and Answers

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer, and a mouse?

a desktop computer

Which of these is not an input device?

  • Mouse
  • Scanner (correct)
  • Printer
  • Keyboard

A device driver is a program that controls a device attached to the computer.

True (A)

What should happen before restoring the operating system to resolve major computer issues?

<p>Transfer contents to an external storage device</p> Signup and view all the answers

It is advised to fully charge the battery of a laptop before using it for the first time.

<p>True (A)</p> Signup and view all the answers

How can Rocco ensure that his employees' computers remain protected from viruses and other malware?

<p>He should have periodic anti-virus scanning and software upgraded on all computers.</p> Signup and view all the answers

All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.

<p>False (B)</p> Signup and view all the answers

Which is the most suitable device to use in a classroom or a conference room to deliver presentations?

<p>projector</p> Signup and view all the answers

What refers to a condition in which the CPU performs well but the bus speed is slow?

<p>bottlenecking</p> Signup and view all the answers

What is the first step to performing hardware maintenance?

<p>Turn off the computer and remove its power source.</p> Signup and view all the answers

Which of the following is a necessary step in maintaining computer hardware?

<p>Using a UPS or a surge protector</p> Signup and view all the answers

What is the correct sequence of processing instructions in a machine cycle?

<p>Fetch, decode, execute, store</p> Signup and view all the answers

What devices do not need device drivers to be manually installed?

<p>Plug-and-play devices</p> Signup and view all the answers

Which of these is an optical medium of storage?

<p>HDD</p> Signup and view all the answers

What performance specification does 2 GHz refer to?

<p>Speed at which the processor executes instructions</p> Signup and view all the answers

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?

<p>plotter</p> Signup and view all the answers

Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.

<p>False (B)</p> Signup and view all the answers

What device do e-learning applications usually use to help users with visual impairment read digital content?

<p>voice synthesizer</p> Signup and view all the answers

What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer?

<p>a faulty port</p> Signup and view all the answers

What would be the best option for Jack to browse the Internet and read emails when he travels?

<p>He should make sure to bring a tablet.</p> Signup and view all the answers

Which of these hardware components can you use to store videos?

<p>hard drive</p> Signup and view all the answers

Where on a computer is the operating system generally stored?

<p>internal hard drive</p> Signup and view all the answers

What determines the speed at which data travels?

<p>bus width</p> Signup and view all the answers

Which of the following is a game controller that is held with both hands?

<p>gamepad</p> Signup and view all the answers

Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.

<p>True (A)</p> Signup and view all the answers

What is most likely to be causing display problems for Surya's computer monitor?

<p>Faulty power or video cable</p> Signup and view all the answers

A CPU converts the data entered through the keyboard into output displayed on the monitor.

<p>True (A)</p> Signup and view all the answers

Flashcards

Monitor

A computer component that displays information on a screen.

Keyboard

A device that allows users to enter data into a computer.

Central Processing Unit (CPU)

The brain of a computer, responsible for processing instructions and data.

Speakers

Output devices that produce sound.

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Printer

A device that prints documents on paper.

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Mouse

A pointing device used to control the cursor on a computer screen.

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Device Drivers

Programs that provide instructions for the operating system to interact with hardware.

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Data Transfer

A backup of important data on a separate storage device.

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Antivirus Software

A software program that protects a computer from viruses and malware.

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All-in-one Computer

A computer that combines the monitor, CPU, and other components into a single unit.

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Projector

A device that projects images onto a large screen.

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Bottlenecking

Occurs when the performance of a computer system is limited by a slow component.

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Machine Cycle

The process of retrieving data from memory, decoding instructions, executing them, and storing the results.

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Plug-and-play Devices

Devices that automatically function upon connection to a computer.

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Hard Disk Drive (HDD)

A storage device that uses magnetic disks to store data.

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Processor Speed

The speed at which a processor executes instructions.

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Plotter

A device used to create high-quality professional drawings.

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Bus Width

The amount of data that can be transferred over a bus per unit of time.

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Gamepad

A handheld controller used to control on-screen objects in video games.

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Ports

Connectors on a computer that allow peripheral devices to be connected.

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Voice Synthesizers

Software that allows visually impaired users to hear digital content read aloud.

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Storage Device

A device that stores data for later use.

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Operating System

The main software that controls a computer system.

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Study Notes

Computer Assembly and Components

  • A desktop computer requires a monitor, keyboard, CPU, speakers, printer, and mouse for assembly.
  • A scanner is classified as an input device, whereas some devices like printers are not.

Device Drivers and Maintenance

  • Device drivers are crucial for controlling hardware connected to a computer.
  • Before addressing major operating system issues, it is important to transfer data to an external storage device.
  • Full charging of a laptop battery is recommended before initial usage.

Security Measures for Computers

  • Implement periodic antivirus scanning and software upgrades to protect against viruses and malware.

Computer Types and Functions

  • All-in-one computers are not easier to upgrade and service compared to traditional desktop computers; they occupy more space.
  • A projector is ideal for presentations in classrooms or conference rooms.

Performance Issues

  • Bottlenecking occurs when a CPU performs efficiently while the bus speed is slow.
  • The machine cycle involves the sequence: fetch, decode, execute, and store.

Device Functionality

  • Plug-and-play devices automatically function upon connection without requiring manual driver installation.
  • HDD is recognized as an optical medium of storage.

Processing Specs and Quality Tools

  • 2 GHz indicates the processor's speed in executing instructions.
  • A plotter is used for high-quality professional drawings like architectural blueprints.

Environmental Tolerance

  • Most computers do not operate well in extreme temperatures or high humidity, contrary to popular belief.

Accessibility Tools

  • Voice synthesizers assist visually impaired users in reading digital content.

Troubleshooting Low Recognition Issues

  • A faulty USB port may cause external drives to be unrecognized by a computer.

Portable Devices and Storage

  • A tablet is a suitable option for internet browsing, email reading, and data storage while traveling.
  • Hard drives serve as storage devices for videos and other large files.

Operating System Storage

  • The operating system is typically stored on an internal hard drive.

Data Transfer Speed

  • Bus width determines the speed at which data travels within a computer system.

Gaming Devices

  • A gamepad is a handheld controller used to manage the movements of on-screen objects.

Peripheral Connections

  • Peripheral devices like USB flash drives connect to computers via ports.

Display Troubleshooting

  • A malfunctioning monitor display may be caused by faulty power or video cables.

Data Processing

  • The CPU processes data from the keyboard and generates output displayed on the monitor.

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Description

Test your knowledge on computer hardware and software with this Module 3 practice test. This quiz includes questions about computer components, input devices, and device drivers. Perfect for reinforcing your understanding of computer basics.

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