Q51. What type of device is a webcam?
a) Input device
b) Output device
c) Storage device
d) Network device
Show Answer
Correct Answer: a) Input device
Explanation: A webcam is an input device that captures video and images, allowing users to communicate via video calls or record video content.
Q52. Which of the following is NOT a type of computer memory?
a) RAM
b) ROM
c) CPU
d) Cache
Show Answer
Correct Answer: c) CPU
Explanation: The CPU (Central Processing Unit) is not a type of memory but the main processor. RAM, ROM, and Cache are types of memory used for different purposes in a computer system.
Q53. What is the primary use of a computer’s GPU?
a) To manage network connections
b) To handle complex computations
c) To accelerate graphical processing and rendering
d) To store data
Show Answer
Correct Answer: c) To accelerate graphical processing and rendering
Explanation: The GPU (Graphics Processing Unit) is specialized for handling graphical processing tasks, including rendering images and videos, which improves performance for visual applications.
Q54. Which type of storage device uses magnetic disks for data storage?
a) Solid-State Drive (SSD)
b) Flash Drive
c) Hard Disk Drive (HDD)
d) Optical Drive
Show Answer
Correct Answer: c) Hard Disk Drive (HDD)
Explanation: Hard Disk Drives (HDDs) use spinning magnetic disks to store and retrieve data. They are known for their larger storage capacities but are slower compared to SSDs.
Q55. What is the purpose of the system’s clock speed?
a) To determine the amount of RAM
b) To measure the speed of data transfer
c) To control the rate at which the CPU executes instructions
d) To manage power consumption
Show Answer
Correct Answer: c) To control the rate at which the CPU executes instructions
Explanation: The system’s clock speed determines how many cycles the CPU can perform per second, affecting the speed at which instructions are executed and overall system performance.
Q56. Which type of connector is used for connecting headphones to a computer?
a) HDMI
b) USB
c) Audio jack
d) RJ-45
Show Answer
Correct Answer: c) Audio jack
Explanation: Audio jacks are used for connecting headphones or speakers to a computer, providing audio output for listening.
Q57. What does the acronym PCIe stand for?
a) Peripheral Component Interconnect Express
b) Peripheral Communication Interface Express
c) Parallel Component Interface
d) Primary Component Interconnect Express
Show Answer
Correct Answer: a) Peripheral Component Interconnect Express
Explanation: PCIe stands for Peripheral Component Interconnect Express. It is a high-speed interface used for connecting various hardware components, such as graphics cards and SSDs, to the motherboard.
Q58. Which component is used to store the operating system and application software on a computer?
a) CPU
b) RAM
c) Hard Disk Drive (HDD)
d) Motherboard
Show Answer
Correct Answer: c) Hard Disk Drive (HDD)
Explanation: The Hard Disk Drive (HDD) stores the operating system, application software, and user data. It provides long-term storage for these files.
Q59. What is the main advantage of using dual-channel memory configurations?
a) Increased storage capacity
b) Higher memory bandwidth and performance
c) Lower power consumption
d) Improved graphics performance
Show Answer
Correct Answer: b) Higher memory bandwidth and performance
Explanation: Dual-channel memory configurations allow the CPU to access memory in parallel, increasing memory bandwidth and improving overall system performance.
Q60. What does the acronym SSD stand for in computer storage?
a) Solid-State Drive
b) Super-Speed Drive
c) System Storage Device
d) Solid-State Disk
Show Answer
Correct Answer: a) Solid-State Drive
Explanation: SSD stands for Solid-State Drive. It is a storage device that uses flash memory to provide faster data access speeds and greater durability compared to traditional HDDs.