Showing 341–360 of 653

Q341.Which of the following is NOT an output device of a computer?

Easy
A Keyboard
B Mouse
C Scanner
D All of these
Hardware PPSC

Correct Answer: D

Keyboards, mice, and scanners are all classified as input devices because they feed data into the computer.

Q342.Which of the following is classified as a secondary storage device?

Easy
A ROM
B CD-ROM
C Hard Disk
D Both B and C
Hardware PPSC

Correct Answer: D

Hard disks and CD-ROMs are non-volatile secondary storage media. RAM and ROM are primary memory.

Q343.The process of moving data between secondary memory (Hard Disk/SSD) and primary memory (RAM) is known as the ______?

Easy
A Density method
B Transfer method
C Action method
D Random access memory
Hardware PPSC

Correct Answer: B

The Transfer Method refers to the input/output operations that move bytes between long-term storage and volatile RAM.

Q344.The ALU (Arithmetic Logic Unit) and CU (Control Unit) are core sub-components of the ______?

Easy
A ROM
B CPU
C RAM
D CAD
Hardware PPSC

Correct Answer: B

The CPU (Central Processing Unit) houses the ALU (calculation processing) and the Control Unit (operation coordination).

Q345.The primary computational and processing block inside a CPU is the _____?

Easy
A Arithmetic and Logic Unit
B Cache
C Registers
D None of these
Hardware PPSC

Correct Answer: A

The ALU (Arithmetic Logic Unit) executes all logical, comparison, and mathematical operations inside the CPU.

Q346.A physical hardware device used to modulate and demodulate signals is connected to a _____?

Easy
A a telephone line
B a keyboard
C a printer
D a monitor
Hardware PPSC

Correct Answer: A

A MODEM connects a computer network to an external analog communication medium, such as a physical telephone line.

Q347.The classic, heavy output monitors and television displays used which technology?

Easy
A Crystal Ray Tube
B Cabin Ray Tube
C Cathode Ray Tube
D None of these
Hardware PPSC

Correct Answer: C

CRT stands for Cathode Ray Tube, which utilizes an electron gun to project images onto a phosphorescent screen.

Q348.What is the non-volatile memory built directly into the computer's motherboard called?

Easy
A RAM
B ROM
C Cache Memory
D Hard Disk
Hardware PPSC

Correct Answer: B

ROM (Read-Only Memory) is permanent, non-volatile memory that stores boot instructions (BIOS) written during manufacturing.

Q349.The core hardware architecture of a CPU consists of which basic components?

Easy
A Arithmetic and Logic Unit
B Control unit and Registers
C Cache and Internal buses
D All of these
Hardware PPSC

Correct Answer: D

A standard CPU integrates an ALU (processing), Control Unit (coordination), Registers (storage), Cache, and Internal Buses.

Q350.The computer's volatile main memory, such as RAM, is also formally referred to as ______?

Easy
A Primary storage
B Internal memory
C Primary memory
D All of these
Hardware PPSC

Correct Answer: D

Primary Storage, Primary Memory, Internal Memory, and RAM are all equivalent terms for a computer's volatile main memory.

Q351.What does the hardware connection standard SATA stand for?

Easy
A Serial advanced technic attachment
B Serial advanced technology attachment
C Serial advised technology attachment
D None of these
Hardware PPSC

Correct Answer: B

SATA stands for Serial Advanced Technology Attachment, an interface standard for connecting storage drives (HDDs/SSDs) to the motherboard.

Q352.Where is the startup firmware BIOS typically stored on a computer's motherboard?

Easy
A Hard Disk
B RAM
C Flash Memory Chip
D All of these
Hardware PPSC

Correct Answer: C

The BIOS is stored in a non-volatile flash memory chip (ROM) on the motherboard, preserving startup configurations.

Q353.Which of the following is classified as non-volatile computer memory?

Easy
A RAM
B ROM
C PROM
D Both B and C
Hardware PPSC

Correct Answer: D

ROM and PROM are non-volatile memories that retain written data when powered down. RAM is completely volatile.

Q354.A computer's central CPU is classified as which of the following?

Easy
A Hardware
B Software
C Application software
D None of these
Hardware PPSC

Correct Answer: A

The CPU (Central Processing Unit) is a physical, silicon-based hardware processor component.

Q355.Which basic clipboard operation removes text from a document and holds it temporarily on the system clipboard?

Easy
A Copy
B Cut
C Paste
D None of these
Hardware PPSC

Correct Answer: B

The Cut command deletes selected content from its active position and holds it on the clipboard for relocation (pasting).

Q356.Which component of a computer is responsible for processing and executing instructions?

Easy
A Random Access Memory (RAM)
B Central Processing Unit (CPU)
C Graphic Processing Unit (GPU)
D None of these
Hardware PPSC

Correct Answer: B

The CPU (Central Processing Unit) is the main microprocessor responsible for fetching, decoding, and executing program instructions.

Q357.What is the primary purpose of a motherboard in a computer system?

Easy
A Provide communication between hardware components
B Control input and output devices
C Store data and programs
D None of these
Hardware PPSC

Correct Answer: A

The motherboard acts as the central printed circuit board that connects all critical hardware (CPU, RAM, drives) and allows them to communicate.

Q358.What is the process of data copying from a server to a personal computer called?

Easy
A Uploading
B Sharing
C Copying
D Downloading
Hardware PPSC

Correct Answer: D

Downloading represents the process of transferring and copying files from a remote web server onto a local personal computer.

Q359.Which memory type is known for having the longest access time among early non-volatile memories?

Easy
A SRAM
B DRAM
C Flash Memory
D Magnetic Bubble Memory
Hardware PPSC

Correct Answer: D

Magnetic Bubble Memory, developed in the 1970s, utilized serialized shift-register bubble loops, leading to longer access times than solid-state RAM.

Q360.Which component gives power supply to a computer?

Easy
A CPU
B Power Supply Unit (PSU)
C RAM
D None of these
Hardware PPSC

Correct Answer: B

The Power Supply Unit (PSU) converts alternating current (AC) electricity from wall outlets into direct current (DC) power required by computer hardware.