MENU
Comptuer Hardware
21)
Which component of a computer is responsible for storing data in a long-term, non-volatile manner?
Answer: D) HDD (Hard Disk Drive)
Explanation
An HDD (Hard Disk Drive) is a non-volatile storage device that uses spinning disks to store and retrieve data over an extended period. It is commonly used for long-term storage of files, applications, and the operating system.
22)
Which port is commonly used to connect a keyboard and mouse to a computer?
Answer: A) USB (Universal Serial Bus)
Explanation
The USB (Universal Serial Bus) port is commonly used to connect peripherals like keyboards, mice, printers, and external storage devices to a computer. It offers a versatile and widely compatible way to connect various devices.
23)
Which type of memory is volatile and loses its data when the power is turned off?
Answer: D) RAM (Random Access Memory)
Explanation
RAM, or Random Access Memory, is volatile memory that stores data temporarily while the computer is running. It provides fast read and write access for the CPU, but its contents are erased when the computer is powered off or restarted.
24)
What does CPU stand for?
Answer: C) Central Processing Unit
Explanation
The CPU, or Central Processing Unit, is the primary component of a computer responsible for executing instructions of a computer program. It performs arithmetic, logical, control, and input/output operations, making it the "brain" of the computer.