Question 1

A mid-range computer used for specialized tasks like engineering design and video editing is called a:

Accepted Answer

A Workstation is a high-performance personal computer designed for specialized professional applications like CAD, video editing, and graphics.

Question 2

Which of the following is a volatile memory that loses all data when the computer is switched off?

Accepted Answer

RAM (Random Access Memory) is volatile and requires continuous power to retain data, unlike non-volatile storage devices like HDD or SSD.

Question 3

A portable computer that can be operated on battery power and fits on a lap is classified as a:

Accepted Answer

A Laptop is a portable personal computer designed for mobility with built-in battery and can operate on a user's lap.

Question 4

Which type of computer is specifically designed to serve multiple clients over a network?

Accepted Answer

A Server is a specialized computer designed to manage network resources and provide services to multiple client computers.

Question 5

Which of the following computers is an example of the first generation?

Accepted Answer

UNIVAC (Universal Automatic Computer) was one of the first general-purpose computers built in the first generation era using vacuum tubes.

Question 6

Which generation of computers used vacuum tubes as the primary electronic component?

Accepted Answer

The first generation of computers (1946-1956) relied on vacuum tubes for processing and memory storage.

Question 7

Which type of computer is designed for a single user and is commonly used in homes and offices?

Accepted Answer

Personal Computers (PCs) are single-user computers designed for individual use in homes and offices.

Question 8

Which category of computer is used for performing extremely complex scientific calculations and weather forecasting?

Accepted Answer

Supercomputers are the most powerful computers used for high-speed calculations in scientific research, weather forecasting, and simulations.

Question 9

Which characteristic best defines the fourth generation of computers (1971-1980)?

Accepted Answer

The fourth generation introduced microprocessors and saw the rise of personal computers (PCs) like the Apple II and IBM PC.

Question 10

Which device is used to convert digital computer output into printed documents?

Accepted Answer

A printer is an output device that converts digital data into physical printed documents on paper.

Question 11

A barcode scanner used at retail stores is classified as which type of device?

Accepted Answer

A barcode scanner reads and inputs barcode information into the computer system, making it an input device.

Question 12

Which of the following devices outputs data in audio format?

Accepted Answer

Speakers are output devices that convert digital audio signals into sound; microphone is an input device.

Question 13

A touchscreen on an ATM machine functions as which type of device?

Accepted Answer

A touchscreen both receives input (touch commands) from users and displays output (information/images), making it both an input and output device.

Question 14

Which technology replaced vacuum tubes in the second generation of computers?

Accepted Answer

The second generation (1956-1963) used transistors, which were smaller, faster, and more reliable than vacuum tubes.

Question 15

The third generation of computers is characterized by the introduction of which key component?

Accepted Answer

The third generation (1963-1971) marked the era of Integrated Circuits (ICs), which combined multiple transistors on a single chip.

Question 16

In which decade was the first general-purpose electronic computer, ENIAC, invented?

Accepted Answer

ENIAC (Electronic Numerical Integrator and Computer) was completed in 1946 during the 1940s.

Question 17

Which of the following is classified as an INPUT device?

Accepted Answer

A keyboard is used to input data/commands into the computer, whereas monitor, printer, and speaker are output devices.

Question 18

A computer that processes data for multiple users simultaneously and manages large databases is called a:

Accepted Answer

Mainframe computers are large, powerful machines that handle multiple users and process massive amounts of data simultaneously.

Question 19

What is the primary function of a mouse in a computer system?

Accepted Answer

A mouse is an input device used to move a cursor and select objects on the screen; other options describe different device functions.

Question 20

What is the storage capacity of a standard DVD?

Accepted Answer

A single-layer DVD has a standard storage capacity of 4.7 GB, while a CD holds 650 MB and Blu-ray holds up to 100 GB.

Agniveer Army Clerk SKT Computer Fundamentals Questions

Computer Fundamentals Practice Questions — Graded Difficulty