laboursonline – MCQs, Mock Tests | UPSC,PCS,CDS,NDA Computer Awareness MCQ Competitive Exam

Which of the following is a storage device?

1. Tape
2. Hard Disk
3. Floppy Disk
4. All of the above

✅ Correct Answer: 4

When did John Napier develop logarithm?

1. 1416
2. 1614
3. 1641
4. 1804

✅ Correct Answer: 2

A normal CD- ROM usually can store up to _________ _data?

1. 680 KB
2. 680 Bytes
3. 680 MB
4. 680 GB

✅ Correct Answer: 3

MIS is designed to provide information needed for effective decision making by?

1. Consumers
2. Workers
3. Foremen
4. Managers

✅ Correct Answer: 4

BCD is

1. Binary Coded Decimal
2. Bit Coded Decimal
3. Binary Coded Digit
4. Bit Coded Digit

✅ Correct Answer: 1

ASCII stands for

1. American Stable Code for International Interchange
2. American Standard Case for Institutional Interchange
3. American Standard Code for Information Interchange
4. American Standard Code for Interchange Information

✅ Correct Answer: 3

Which of the following is first generation of computer?

1. EDSAC
2. IBM-1401
3. CDC-1604
4. ICL-2900

✅ Correct Answer: 1

Chief component of first-generation computer was

1. Transistors
2. Vacuum Tubes and Valves
3. Integrated Circuits
4. None of above

✅ Correct Answer: 2

FORTRAN is

1. File Translation
2. Format Translation
3. Formula Translation
4. Floppy Translation

✅ Correct Answer: 3

EEPROM stands for

1. Electrically Erasable Programmable Read Only Memory
2. Easily Erasable Programmable Read Only Memory
3. Electronic Erasable Programmable Read Only Memory
4. None of the above

✅ Correct Answer: 3

Second Generation computers were developed during

1. 1949 to 1955
2. 1956 to 1965
3. 1965 to 1970
4. 1970 to 1990

✅ Correct Answer: 2

The computer size was very large in

1. First Generation
2. Second Generation
3. Third Generation
4. Fourth Generation

✅ Correct Answer: 1

Microprocessors as switching devices are for which generation computers

1. First Generation
2. Second Generation
3. Third Generation
4. Fourth Generation

✅ Correct Answer: 4

Which of the following devices can be sued to directly image printed text?

1. OCR
2. OMR
3. MICR
4. All of above

✅ Correct Answer: 1

The output quality of a printer is measured by

1. Dot per inch
2. Dot per sq. inch
3. Dots printed per unit time
4. All of above

✅ Correct Answer: 2

In analogue computer

1. Input is first converted to digital form
2. Input is never converted to digital form
3. Output is displayed in digital form
4. All of above

✅ Correct Answer: 2

In latest generation computers, the instructions are executed

1. Parallel only
2. Sequentially only
3. Both sequentially and parallel
4. All of above

✅ Correct Answer: 3

Who designed the first electronics computer – ENIAC?

1. Van-Neumann
2. Joseph M. Jacquard
3. J. Presper Eckert and John W Mauchly
4. All of above

✅ Correct Answer: 3

Who invented the high level language “C”?

1. Dennis M. Ritchie
2. Niklaus Writh
3. Seymour Papert
4. Donald Kunth

✅ Correct Answer: 1

Personnel who design, program, operate and maintain computer equipment refers to

1. Console-operator
2. Programmer
3. Peopleware
4. System Analyst

✅ Correct Answer: 3

When did arch rivals IBM and Apple Computers Inc. decide to join hands?

1. 1978
2. 1984
3. 1990
4. 1991

✅ Correct Answer: 4

Human beings are referred to as Homosapinens, which device is called Sillico Sapiens?

1. Monitor
2. Hardware
3. Robot
4. Computer

✅ Correct Answer: 4

An error in software or hardware is called a bug. What is the alternative computer jargon for it?

1. Leech
2. Squid
3. Slug
4. Glitch

✅ Correct Answer: 4

Modern Computer are very reliable but they are not

1. Fast
2. Powerful
3. Infallible
4. Cheap

✅ Correct Answer: 3

What is the name of the display feature that highlights are of the screen which requires operator attention?

1. Pixel
2. Reverse video
3. Touch screen
4. Cursor

✅ Correct Answer: 2

Personal computers use a number of chips mounted on a main circuit board What is the common name for such boards?

1. Daughter board
2. Motherboard
3. Father board
4. Breadboard

✅ Correct Answer: 2

In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?

1. Motherboard
2. Breadboard
3. Daughter board
4. Grandmother board

✅ Correct Answer: 1

What is meant by a dedicated computer?

1. Which is used by one-person only
2. Which is assigned one and only one task
3. Which uses one kind of software
4. Which is meant for application software

✅ Correct Answer: 2

The system unit of a personal computer typically contains all of the following except:

1. Microprocessor
2. Disk controller
3. Serial interface
4. Modem

✅ Correct Answer: 4

A computer program that converts an entire program into machine language is called a/an

1. Interpreter
2. Simulator
3. Compiler
4. Commander

✅ Correct Answer: 3

A computer program that translates one program instructions at a time into machine language is called a/an

1. Interpreter
2. CPU
3. Compiler
4. Simulator

✅ Correct Answer: 1

A small or intelligent device is so called because it contains within it a

1. Computer
2. Microcomputer
3. Programmable
4. Sensor

✅ Correct Answer: 4

A fault in a computer program which prevents it from working correctly is known as

1. Boot
2. Bug
3. Biff
4. Strap

✅ Correct Answer: 2

A self-replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is

1. Bug
2. Vice
3. Lice
4. Worm

✅ Correct Answer: 4

A state. is a bi-stable electronic circuit that has

1. Multivibrator
2. Flip-flop
3. Logic gates
4. laten

✅ Correct Answer: 2

Unwanted repetitious messages, such as unsolicited bulk e-mail is known as

1. Spam
2. Trash
3. Calibri
4. Courier

✅ Correct Answer: 1

DOS stands for

1. Disk Operating System
2. Disk operating session
3. Digital Operating System
4. Digital Open system

✅ Correct Answer: 1

Who is the chief of Microsoft

1. Babbage
2. Bill Gates
3. Bill Clinton
4. none of these

✅ Correct Answer: 2

Which of the following are input devices?

1. Keyboard
2. Mouse
3. Card reader
4. Any of these

✅ Correct Answer: 4

Examples of output devices are

1. Screen
2. Printer
3. Speaker
4. All of these

✅ Correct Answer: 4

Which of the following is also known as brain of computer

1. Control unit
2. Central Processing unit
3. Arithmetic and language unit
4. Monitor

✅ Correct Answer: 2

IBM stands for

1. Internal Business Management
2. International Business Management
3. International Business Machines
4. Internal Business Machines

✅ Correct Answer: 3

translates and executes program at run time line by line

1. Compiler
2. Interpreter
3. Linker
4. Loader

✅ Correct Answer: 2

is an OOP principle

1. Structured programming
2. Procedural programming
3. Inheritance
4. Linking

✅ Correct Answer: 3

COBOL is widely used in application

1. Commercial
2. Scientific
3. Space
4. Mathematical

✅ Correct Answer: 1

RAM stands for

1. Random origin money
2. Random only memory
3. Read only memory
4. Random access memory

✅ Correct Answer: 4

1 Byte =?

1. 8 bits
2. 4 bits
3. 2 bits
4. 9 bits

✅ Correct Answer: 1

SMPS stands for

1. Switched mode Power Supply
2. . Start mode power supply
3. Store mode power supply
4. Single mode power supply

✅ Correct Answer: 1

The device used to carry digital data on analogue lines is called as

1. Modem
2. Multiplexer
3. Modulator
4. Demodulator

✅ Correct Answer: 1

VDU is also called

1. Screen
2. Monitor
3. Both 1 & 2
4. printer

✅ Correct Answer: 3

UPSC,PCS,CDS,NDA MCQ Quiz Hub

Computer Awareness MCQ Competitive Exam - Sample Test 8