Hello students welcome to CSE Study247, Today I am provide you Computer MCQs Set-9 , it contain 20 Computer multiple choice question with answer that is very useful for Government exam.
A computer is an electronic device that can perform a variety of tasks, including storing, retrieving, and processing data, and running programs or applications. There are many different types of computers, including desktop computers, laptops, tablets, and smartphones. They can be used for a wide range of purposes, such as communication, entertainment, and business.
Q.161 Microprocessors as switching devices are for which generation computers
First Generation
Second Generation
Third Generation
Fourth Generation
Explanation
The fourth generation (1971-present) is characterized by the use of microprocessors, which contain thousands of integrated circuits.
Q.162 Storage capacity of magnetic disk depends on the
tracks per inch of surface
bits per inch of tracks
disk pack in disk surface
All of these
Explanation
The storage capacity of a magnetic disk is determined by the density of tracks and bits, as well as the number of recording surfaces used.
Q.163 CD-ROM is a
Semiconductor memory
Memory register
Magnetic memory
None of these
Explanation
A CD-ROM is an optical storage medium; it is neither semiconductor, register-based, nor magnetic.
Q.164 One millisecond is
1 second
10th of a seconds
1000th of a seconds
10000th of a seconds
Explanation
In the metric system, the prefix ‘milli-‘ denotes one thousandth (1/1000).
Q.165 Which of the following is not an input device?
OCR
Optical scanners
Voice recognition device
COM (Computer Output to Microfilm)
Explanation
COM is an output technology that records computer-generated data onto microfilm or microfiche.
Q.166 Desktop and personal computer are also known as?
super computer
servers
main frames
micro computer
Explanation
Microcomputers are small, relatively inexpensive computers designed for individual use, including desktops and laptops.
Q.167 When was vacuum tube invented?
1900
1906
1910
1980
Explanation
The vacuum tube (Triode) was invented by Lee de Forest in 1906.
Q.168 smallest unit of the information?
A byte
A nibble
A bit
None
Explanation
A bit (short for binary digit) is the smallest unit of data in a computer, representing either a 0 or a 1.
Q.169 Which of the following is an output device?
VDU
Light pen
Mouse
None
Explanation
VDU stands for Visual Display Unit, which is another term for a computer monitor (an output device).
Q.170 One gigabyte = ?
1024 megabytes
1024 bytes
1024 bits
None
Explanation
In binary computing measurements, 1 Gigabyte (GB) is equal to 1,024 Megabytes (MB).
Q.171 speed of computer measured in?
Nanoseconds
Kilo-seconds
Gigahertz
Megabytes
Explanation
Modern computer processor speed is typically measured in Gigahertz (GHz), which represents billions of clock cycles per second.
Q.172 DRAM stands for ?
Dynamic Remote Access Memory
Dynamic Random-Access Memory
Dependent Remote Access Memory
None
Explanation
DRAM is a type of random-access memory that stores each bit of data in a separate capacitor within an integrated circuit.
Q.173 1MB is equal to ?
1024 bit
1024 KB
1024 GB
None
Explanation
One Megabyte (MB) is equal to 1,024 Kilobytes (KB).
Q.174 What is the full form of SRAM?
Static Random-Access Memory
Setup Random-Access Memory
Static Remote-Access Memory
None
Explanation
SRAM is a type of semiconductor memory that uses flip-flops to store each bit and does not need to be periodically refreshed.
Q.175 USB Stands for ?
Unidentified System Bus
Universal System Bus
Unshielded System Board
None
Explanation
While commonly referred to as Universal Serial Bus, in the context of these options, Universal System Bus is the intended answer.
Q.176 SCSI Stands for ?
Small computer systems interface
Super computer systems interface
Standard computer systems interface
Small computer standard interface
Explanation
SCSI (pronounced ‘scuzzy’) is a set of standards for physically connecting and transferring data between computers and peripheral devices.
Q.177 Which one of the following is not input device?
Keyboard
Scanner
Mouse
Speaker
Explanation
A speaker is an output device that converts electrical signals into audible sound.
Q.178 First mini computer was ? (UPSSSC 2016)
PDP-8
ENIAC
EDVAC
UNISAC
Explanation
The PDP-8, released by Digital Equipment Corporation (DEC) in 1965, is widely considered the first successful commercial minicomputer.
Q.179 www stands for
World Wide Web
World Wide Wait
World Wide War
None
Explanation
WWW stands for the World Wide Web, the system of interlinked hypertext documents accessed via the Internet.
Q.180 First computer of india is ?
PARAM
Siddhartha
IBM-370
None
Explanation
Siddhartha was the first computer developed in India, while PARAM was India’s first indigenous supercomputer.
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