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Questions and Answers
What is the primary function of a graphics card in a computer?
What is the primary function of a graphics card in a computer?
- To regulate the flow of electricity within the computer
- To manage the storage of data
- To control the input and output devices of the computer
- To process and render images for display (correct)
Which peripheral device is responsible for converting digital signals from a computer to analog signals for transmission over telephone lines?
Which peripheral device is responsible for converting digital signals from a computer to analog signals for transmission over telephone lines?
- Modem (correct)
- Router
- Switch
- Network Interface Card (NIC)
What is the purpose of a UPS (Uninterruptible Power Supply) in a computer system?
What is the purpose of a UPS (Uninterruptible Power Supply) in a computer system?
- To regulate the temperature of the computer components
- To expand the storage capacity of the computer
- To enhance the processing speed of the computer
- To provide backup power and protect against power interruptions or outages (correct)
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Study Notes
Computer Hardware Components
- The primary function of a graphics card is to render images on a computer screen, providing a graphical interface for the user.
Communication Devices
- A modem (modulator-demodulator) is a peripheral device responsible for converting digital signals from a computer to analog signals for transmission over telephone lines.
Power Management
- The primary purpose of a UPS (Uninterruptible Power Supply) in a computer system is to provide a continuous power supply to the system in case of a power failure or outage, preventing data loss and system downtime.
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