Questions and Answers
A CPU converts the data entered through the keyboard into output displayed on the monitor.
True
Which of these hardware components can you use to store videos?
Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?
Jack needs a convenient way to browse the Internet, read emails, and store basic data when he travels. Which of the following would be the best option for him?
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Which is the most suitable device to use in a classroom or a conference room to deliver presentations?
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What determines the speed at which data travels?
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A device driver is a program that controls a device attached to the computer.
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What could cause an external drive, like a USB flash drive, to not be recognized when plugged into a computer?
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Which of these is not an input device?
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It is advised to fully charge the battery of a laptop before using it for the first time.
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What performance specification does 2 GHz refer to?
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What is the correct sequence of processing instructions in a machine cycle?
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Which of the following is a necessary step in maintaining computer hardware?
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What device do e-learning applications usually use to help users with visual impairment read digital content?
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Which of the following is a game controller that is held with both hands and used to control movement of on-screen objects by pressing buttons and moving hardware components?
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Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer, and a mouse?
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To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step?
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Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.
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Which of these is an optical medium of storage?
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Most computers can operate normally in extreme temperatures and withstand high humidity and power fluctuations.
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How can Rocco ensure that his employees' computers remain protected from viruses and other malware?
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What printer is commonly used to produce high-quality professional drawings such as architectural blueprints?
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What devices do not need device drivers to be manually installed, and start to function as soon as they are connected to a computer?
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Where on a computer is the operating system generally stored?
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All-in-one computers are easier to service and upgrade but occupy more space than desktop computers.
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Surya's computer monitor display does not seem to work despite repeated attempts to fix the issue. Which of the following is most likely to be causing display problems?
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What is the first step to performing hardware maintenance?
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Study Notes
Computer Components and Functions
- A CPU converts data from input devices, such as keyboards, into output displayed on monitors.
- The bus width determines the speed at which data travels within a computer system.
Storage and Devices
- Hard drives are commonly used for storing videos and other data.
- USB flash drives might not be recognized if the port they are connected to is faulty.
- Blu-ray discs serve as an optical medium of storage.
Input and Output Devices
- Printers are not classified as input devices.
- Projectors are ideal for delivering presentations in classrooms or conference rooms.
- Gamepads are handheld controllers for video games, allowing physical interaction with on-screen objects.
Computer Performance and Maintenance
- Bottlenecking occurs when the CPU operates effectively, but the bus speed hinders performance.
- Computer maintenance includes using a UPS (Uninterruptible Power Supply) or surge protector to prevent power-related issues.
- A voice synthesizer assists users with visual impairments in reading digital content.
Operating Systems and Troubleshooting
- The correct sequence of processing instructions in a machine cycle is Fetch, Decode, Execute, Store.
- Restoring the operating system requires backing up content to external storage beforehand.
- To ensure computer security, periodic antivirus scans and software updates are recommended for all computers.
Hardware Characteristics
- All-in-one computers are typically more compact than desktop computers but may be harder to service and upgrade.
- Peripheral devices like USB flash drives are connected through ports, facilitating interaction with the computer.
User Considerations
- Tablets are suited for individuals needing portable ways to browse the internet, manage emails, and store data while traveling.
- It’s advisable to fully charge a laptop battery before its initial use.
- A plotter is preferred for producing high-quality professional drawings, such as architectural blueprints.
Troubleshooting Issues
- Common display problems on monitors may arise from faulty power or video cables.
- Plug-and-play devices do not require manual installation of drivers and function immediately upon connection to a computer.
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Description
Test your knowledge on computer components, their functions, and how they interact within a system. This quiz covers topics from storage devices, input and output peripherals to performance and maintenance issues. Ideal for students learning computer science fundamentals.
