Q61. What is the primary function of a computer’s network adapter?
a) To provide power to network devices
b) To manage storage devices
c) To enable network connectivity and communication
d) To process audio signals
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Correct Answer: c) To enable network connectivity and communication
Explanation: A network adapter enables a computer to connect to a network, facilitating communication between devices and allowing access to network resources.
Q62. Which type of memory is used to store the computer’s firmware?
a) RAM
b) ROM
c) Cache
d) Virtual Memory
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Correct Answer: b) ROM
Explanation: ROM (Read-Only Memory) is used to store firmware, which includes the computer’s essential startup instructions and basic system functions.
Q63. Which of the following is a common feature of modern computer cases?
a) Built-in cooling systems
b) Wireless network adapters
c) External hard drives
d) USB hubs
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Correct Answer: a) Built-in cooling systems
Explanation: Modern computer cases often feature built-in cooling systems, such as fans and vents, to manage heat and ensure proper ventilation for internal components.
Q64. What is the primary function of a computer’s expansion slot?
a) To provide power to peripherals
b) To connect additional hardware components
c) To increase data storage capacity
d) To manage network traffic
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Correct Answer: b) To connect additional hardware components
Explanation: Expansion slots are used to connect additional hardware components, such as graphics cards, sound cards, or network cards, to the motherboard, enhancing the computer’s capabilities.
Q65. What type of cable is commonly used for video output from a computer to a monitor?
a) USB
b) VGA
c) Ethernet
d) Audio jack
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Correct Answer: b) VGA
Explanation: VGA (Video Graphics Array) cables are commonly used for transmitting video signals from a computer to a monitor, providing a visual display.
Q66. What is the purpose of a computer’s thermal management system?
a) To enhance graphics performance
b) To manage power supply
c) To maintain optimal operating temperatures for components
d) To increase storage capacity
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Correct Answer: c) To maintain optimal operating temperatures for components
Explanation: The thermal management system includes components like fans and heat sinks that help keep the computer’s internal components at a safe operating temperature, preventing overheating.
Q67. What type of device is a network hub?
a) Storage device
b) Input device
c) Network device
d) Output device
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Correct Answer: c) Network device
Explanation: A network hub is a network device that connects multiple devices on a network and allows them to communicate with each other. It broadcasts data to all connected devices.
Q68. Which of the following is NOT a type of connector for external storage devices?
a) SATA
b) IDE
c) HDMI
d) USB
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Correct Answer: c) HDMI
Explanation: HDMI (High-Definition Multimedia Interface) is used for video and audio output, not for connecting storage devices. SATA, IDE, and USB are common connectors for external storage.
Q69. What is the function of a computer’s CMOS battery?
a) To provide power to the CPU
b) To store system configuration settings
c) To manage network connections
d) To enhance graphics performance
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Correct Answer: b) To store system configuration settings
Explanation: The CMOS battery powers the CMOS chip, which stores system configuration settings, including date and time, and BIOS settings, even when the computer is turned off.
Q70. What type of connector is used for connecting audio devices like speakers or headphones?
a) USB
b) HDMI
c) Audio jack
d) Ethernet
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Correct Answer: c) Audio jack
Explanation: Audio jacks are used for connecting audio devices such as speakers and headphones to a computer, enabling audio input and output.