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A: You can protect your computer from malware by using antivirus software, keeping your system and software up-to-date, and avoiding suspicious links and downloads.
Q: What is a firewall?
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A: A firewall is a security system that monitors and controls incoming and outgoing network traffic, helping to block unauthorized access and potential threats.
Q: What is encryption?
A: Encryption is the process of converting data into a code to prevent unauthorized access, making the information unreadable without the decryption key
Chapter 5: Computer Hardware
Q: What is computer hardware?
A: Computer hardware refers to the physical components of a computer system
Q: What are input devices?
A: Input devices are hardware components that allow users to enter data and instructions into the computer Examples include keyboards, mice, and scanners
Q: What are output devices?
A: Output devices are hardware components that display or present information from the computer. Examples include monitors, printers, and speakers
Q: What are storage devices?
A: Storage devices are hardware components used to store data and information permanently or temporarily Examples include hard drives, solid-state drives (SSDs), and USB flash drives
Q: What are graphics processing units (GPUs)?
A: GPUs are specialized processors used to accelerate graphics rendering for video games, video playback, and other visually demanding tasks
Q: What is a computer network interface card (NIC)?
A: A network interface card is a hardware component that enables a computer to connect to a network
Chapter 6: Computer Peripherals
Q: What are computer peripherals?
A: Computer peripherals are external devices that connect to a computer to expand its functionality or provide additional input/output options
Q: Give some examples of input peripherals
A: Examples of input peripherals include webcams, microphones, game controllers, and graphics tablets.
Q: What are output peripherals?
A: Output peripherals are devices that display or present information from the computer to the user. Examples include projectors, headphones, and external speakers.