Q71. Which type of drive is used to read and write data to CDs and DVDs?
a) Solid-State Drive (SSD)
b) Hard Disk Drive (HDD)
c) Optical Drive
d) Flash Drive
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Correct Answer: c) Optical Drive
Explanation: Optical drives are used to read and write data to optical discs, such as CDs and DVDs, using laser technology.
Q72. What is the primary role of a computer’s chipset?
a) To manage data storage
b) To control communication between the CPU, memory, and peripherals
c) To enhance graphics performance
d) To provide network connectivity
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Correct Answer: b) To control communication between the CPU, memory, and peripherals
Explanation: The chipset is responsible for managing data flow between the CPU, memory, and peripheral devices, ensuring proper communication and coordination within the computer system.
Q73. What is the purpose of an expansion card in a computer?
a) To increase the computer’s storage capacity
b) To add new features or functionalities
c) To manage power supply
d) To provide cooling
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Correct Answer: b) To add new features or functionalities
Explanation: Expansion cards, such as graphics cards or sound cards, are added to a computer to provide additional features or enhance existing functionalities, improving the system’s capabilities.
Q74. What does the acronym NAS stand for in network storage?
a) Network Attached Storage
b) Network Advanced Storage
c) Network Access System
d) Network Allocated Storage
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Correct Answer: a) Network Attached Storage
Explanation: NAS stands for Network Attached Storage. It is a dedicated storage device connected to a network, allowing multiple users and devices to access and share data over the network.
Q75. Which type of memory is known for being non-volatile and used for storing firmware?
a) RAM
b) ROM
c) Cache
d) Virtual Memory
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Correct Answer: b) ROM
Explanation: ROM (Read-Only Memory) is non-volatile and used to store firmware, which contains essential instructions for the computer’s startup and basic functions.
Q76. What does the acronym BIOS stand for?
a) Basic Input Output System
b) Binary Integrated Operating System
c) Base Internal Operating System
d) Binary Input Output Standard
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Correct Answer: a) Basic Input Output System
Explanation: BIOS stands for Basic Input Output System. It is firmware that initializes hardware components and loads the operating system during the boot process.
Q77. Which of the following is an example of an output device?
a) Mouse
b) Keyboard
c) Printer
d) Scanner
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Correct Answer: c) Printer
Explanation: A printer is an output device that produces physical copies of digital documents or images. It outputs information from the computer to paper.
Q78. What is the purpose of the computer’s power supply unit (PSU)?
a) To convert electrical power into usable voltage for the computer’s components
b) To store data
c) To enhance graphics performance
d) To manage network connections
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Correct Answer: a) To convert electrical power into usable voltage for the computer’s components
Explanation: The power supply unit (PSU) converts the electrical power from an outlet into various voltages needed by the computer’s internal components.
Q79. What type of memory is used to temporarily store data that is actively being used by the CPU?
a) ROM
b) Flash memory
c) RAM
d) Cache memory
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Correct Answer: c) RAM
Explanation: RAM (Random Access Memory) is used to temporarily store data and instructions that the CPU is actively using, allowing for quick access and processing.
Q80. Which component in a computer is responsible for processing and executing instructions?
a) RAM
b) Hard Disk Drive
c) CPU
d) Graphics Card
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Correct Answer: c) CPU
Explanation: The CPU (Central Processing Unit) is responsible for processing and executing instructions, performing the calculations and tasks necessary for the computer’s operation.