Competitive Exams : Computer Awareness - Computer and IT Hardware (Set 2)

Question 1

Which of the following hardware components is primarily responsible for executing instructions and performing calculations within a computer system?

Accepted Answer

B) Central Processing Unit (CPU)

Answer

A) Random Access Memory (RAM)

Answer

C) Hard Disk Drive (HDD)

Answer

D) Motherboard

Answer

E) Graphics Processing Unit (GPU)

Question 2

A user wants to quickly retrieve frequently accessed data and programs. Which type of storage device would provide the fastest read/write speeds for this purpose, assuming cost is a secondary concern?

Accepted Answer

A) Solid State Drive (SSD)

Answer

B) Hard Disk Drive (HDD)

Answer

C) USB Flash Drive

Answer

D) Optical Disc (CD/DVD)

Answer

E) Magnetic Tape

Question 3

Which hardware component acts as the main circuit board connecting all other components, such as the CPU, RAM, and expansion cards, allowing them to communicate with each other?

Accepted Answer

C) Motherboard

Answer

A) Power Supply Unit (PSU)

Answer

B) Graphics Card

Answer

D) Network Interface Card (NIC)

Answer

E) CPU Cooler

Question 4

When you temporarily store data that the CPU needs to access quickly for current operations, which volatile memory hardware component is being utilized?

Accepted Answer

D) Random Access Memory (RAM)

Answer

A) Read-Only Memory (ROM)

Answer

B) Hard Disk Drive (HDD)

Answer

C) Solid State Drive (SSD)

Answer

E) Cache Memory

Question 5

A user reports that their monitor is not displaying any output despite the computer being powered on. Which hardware component, if faulty, is most likely causing this issue if the CPU and RAM are confirmed to be working?

Accepted Answer

E) Graphics Card (GPU)

Answer

A) Keyboard

Answer

B) Mouse

Answer

C) Sound Card

Answer

D) Network Card

Question 6

Which type of port is commonly used to connect a modern high-definition monitor or TV to a computer, capable of transmitting both video and audio signals?

Accepted Answer

A) HDMI

Answer

B) VGA

Answer

C) PS/2

Answer

D) Ethernet

Answer

E) Parallel Port

Question 7

A computer's operating system and essential boot instructions are permanently stored on which non-volatile memory chip?

Accepted Answer

B) Read-Only Memory (ROM)

Answer

A) Random Access Memory (RAM)

Answer

C) Cache Memory

Answer

D) Solid State Drive (SSD)

Answer

E) Virtual Memory

Question 8

Which of the following is an example of an input device used for providing tactile feedback and precise control in gaming or specific industrial applications?

Accepted Answer

C) Joystick

Answer

A) Monitor

Answer

B) Printer

Answer

D) Speaker

Answer

E) Projector

Question 9

To connect to a wired local area network (LAN), a computer typically requires which hardware component?

Accepted Answer

D) Network Interface Card (NIC)

Answer

A) Bluetooth Adapter

Answer

B) Sound Card

Answer

C) Graphics Card

Answer

E) Web Camera

Question 10

Which device converts the digital signals from a computer into an analog signal that can be transmitted over a telephone line, and vice-versa?

Accepted Answer

A) Modem

Answer

B) Router

Answer

C) Switch

Answer

D) Hub

Answer

E) Repeater

Question 11

A system administrator is upgrading a server and needs to ensure that all internal components, including the CPU, remain within safe operating temperatures. Which hardware component is crucial for active cooling?

Accepted Answer

E) CPU Cooler (Heatsink and Fan)

Answer

A) Power Supply Unit

Answer

B) Hard Drive

Answer

C) Optical Drive

Answer

D) RAM Stick

Question 12

What is the primary function of a Power Supply Unit (PSU) in a computer?

Accepted Answer

B) To convert AC power from the wall outlet into DC power for internal components.

Answer

A) To process graphical data for display.

Answer

C) To store long-term data for the operating system.

Answer

D) To connect the computer to a network.

Answer

E) To execute program instructions.

Question 13

Which type of peripheral device would be most suitable for creating a hard copy (physical printout) of a digital document or image?

Accepted Answer

A) Printer

Answer

B) Scanner

Answer

C) Microphone

Answer

D) Webcam

Answer

E) Digital Camera

Question 14

A user wants to archive a large amount of data that is not frequently accessed but needs to be kept for regulatory reasons. Which storage medium offers the lowest cost per gigabyte for very large capacities and long-term archival?

Accepted Answer

C) Magnetic Tape

Answer

A) Solid State Drive (SSD)

Answer

B) USB Flash Drive

Answer

D) Cloud Storage (Subscription)

Answer

E) External Hard Disk Drive

Question 15

Which hardware technology allows a single physical CPU to appear as multiple logical CPUs to the operating system, enabling better multitasking performance without adding more physical cores?

Accepted Answer

D) Hyper-Threading

Answer

A) Overclocking

Answer

B) Virtualization

Answer

C) Caching

Answer

E) Load Balancing

Question 16

A user is configuring a new computer system and needs to install additional memory. What specific type of physical hardware module are they most likely looking for?

Accepted Answer

B) RAM stick (e.g., DDR4 DIMM)

Answer

A) CPU (Central Processing Unit)

Answer

C) GPU (Graphics Processing Unit)

Answer

D) HDD (Hard Disk Drive)

Answer

E) PSU (Power Supply Unit)

Question 17

Which component is typically embedded on the motherboard and provides the very first instructions for the computer when it is turned on, before the operating system loads?

Accepted Answer

A) BIOS (Basic Input/Output System) or UEFI

Answer

B) Graphics Card

Answer

C) Network Interface Card

Answer

D) Sound Card

Answer

E) Hard Disk Drive

Question 18

A designer requires a peripheral device that can convert physical documents or images into digital files for editing on a computer. Which device fits this requirement?

Accepted Answer

E) Scanner

Answer

A) Plotter

Answer

B) Monitor

Answer

C) Printer

Answer

D) Projector

Question 19

Which expansion slot on a motherboard is primarily designed for high-performance graphics cards?

Accepted Answer

C) PCIe (PCI Express)

Answer

A) PCI (Peripheral Component Interconnect)

Answer

B) ISA (Industry Standard Architecture)

Answer

D) AGP (Accelerated Graphics Port)

Answer

E) AMR (Audio/Modem Riser)

Question 20

Which hardware component allows multiple USB devices to be connected to a single USB port on a computer?

Accepted Answer

B) USB hub

Answer

A) Ethernet switch

Answer

C) HDMI splitter

Answer

D) Power strip

Answer

E) KVM switch