Computer Fundamentals Section | Basic Computer Knowledge

1.

ASCII stands for

   A.) American Standard Code for Information Interchange
   B.) American Stable Code for International Interchange
   C.) American Standard Case for Institutional Interchange
   D.) American Standard Code for Interchange Information

Answer: Option 'A'

ASCII is a code that converts the characters - letters, numbers, punctuation and control characters such as Alt, Tab etc - digitally from the ASCII code is used to represent data internally in the microcomputer ASCII codes 7 bits and can represent 0 to 127 and are 8-bit ASCII, which represents 0 to 255.

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2.

EBCDIC stands for

   A.) Extended Binary Case Decimal Interchange Code
   B.) Extended Bit Case Decimal Interchange Code
   C.) Extended Bit Cod Decimal Interchange Code
   D.) Extended Binary Coded Decimal Interchange Code

Answer: Option 'D'

EBCDIC is an 8-bit binary code for large IBM mainframes primarily wherein each byte represent an alphanumeric character or two decimal digits. 256 characters can be encoded using EBCDIC ..

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3.

BCD is

   A.) Binary Coded Digit
   B.) Binary Coded Decimal
   C.) Bit Coded Decimal
   D.) Bit Coded Digit

Answer: Option 'B'

Explanation: BCD is encoded in binary notation wherein each of the decimal digits is expressed in 8 - bit binary number. For example, binary coded decimal notation 12 is 0001 0010 compared to 1100 in pure binary.

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4.

Which of the following is first generation of computer

   A.) ICL-2900
   B.) CDC-1604
   C.) IBM-1401
   D.) EDSAC

Answer: Option 'D'

IBM-1401, CDC-1604 is the second generation computer. ICL-2900 is a fourth-generation computer.  EDSAC is important in the development of the computer because it was the first computer to use John von. Concept Neumann recorded program. It used 3,000 vacuum tubes and computers with vacuum tubes are the first generation computers.

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5.

FORTRAN is

   A.) File Translation
   B.) Floppy Translation
   C.) Format Translation
   D.) Formula Translation

Answer: Option 'C'

Answer: Option 'C'
FORTRAN (Formula Translation) is one of the earlier High Level programming languages used to write scientific applications. It was developed by IBM in 1956.

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6.

Chief component of first generation computer was

   A.) Vacuum Tubes and Valves
   B.) Transistors
   C.) Integrated Circuits
   D.) All of above

Answer: Option 'A'

Transistors were used for second-generation computers and integrated circuits to the third generation.
First generation computers used vacuum tubes and valves as a main electronic component.
Vacuum tubes were invented by Lee DeForest in 1908.

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7.

EEPROM stand for

   A.) Easily Erasable Programmable Read Only Memory
   B.) Electrically Erasable Programmable Read Only Memory
   C.) Electronic Erasable Programmable Read Only Memory
   D.) None of the above

Answer: Option 'C'

FORTRAN (Formula Translation) is one of the earlier High Level programming languages used to write scientific applications. It was developed by IBM in 1956.

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8.

Second Generation computers were developed during

   A.) 1970 to 1990
   B.) 1965 to 1970
   C.) 1956 to 1965
   D.) 1949 to 1955

Answer: Option 'C'

Second generation computers used transistors as Their main electronic component. Was transistor invented by Bell Lab Scientists John Burdeen, Walter Brattain and William Shockley in 1947 and won the Nobel Prize in 1956 profit It was not used in computers till 1956. The second generation continued up to the implementation of IC chips invented by Jack Kilby in Texas instruments in 1958.

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9.

Microprocessors as switching devices are for which generation computers

   A.) First Generation
   B.) Second Generation
   C.) Third Generation
   D.) Fourth Generation

Answer: Option 'D'

Microprocessors more revolutionized the development of computers. micro PCs have been possible thanks to microprocessors. The first Intel 4004 microprocessor called was developed by American Intel Corporation 1971. Microprocessors are used in the fourth generation of computers of computers.

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10.

The computer size was very large in

   A.) First Generation
   B.) Second Generation
   C.) Third Generation
   D.) Fourth Generation

Answer: Option ''

It is obvious that computers developed with more power, reliability, speed and smaller size due to improved technology. First generation computers used vacuum tubes 1000s which require much space made their gigantic size. 1000 single transistor could replace vacuum tubes and a single chip IC replace 1000s realized transistors smaller and faster computers.

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11.

UNIVAC is

   A.) Universal Automatic Computer
   B.) Unique Automatic Computer
   C.) Universal Array Computer
   D.) Unvalued Automatic Computer

Answer: Option 'A'

There are no computers with the name as in other options. UNIVAC was the first general purpose electronic digital computer designed for commercial use, produced by Universal Company Accounting John Mauchly and J.P.Eckert in 1951.

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12.

CD-ROM stands for

   A.) Compact Data Read Only Memory
   B.) Compact Disk Read Only Memory
   C.) Compactable Read Only Memory
   D.) Compactable Disk Read Only Memory

Answer: Option 'B'

There are no objects with the name, as in other options. CD-ROM is an optical storage medium of non-volatile data using the same physical format as the audio compact disc readable by a computer with a CD-ROM. 12 cm CD store about 660 megabytes standard diameter

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13.

MSI stands for

   A.) Medium Scale Integrated Circuits
   B.) Medium System Intelligent Circuit
   C.) Medium Scale Intelligent Circuit
   D.) Medium System Integrated Circuits

Answer: Option 'A'

After the invention of IC chips the development of computers plunged into the next phase. Small and Medium Scale Integration Scale Integration (SSI and MSI) were used in the third generation of computers and large-scale integration and Very Large Scale Integration (LSI and VLSI) are used in the fourth generation of computers. People now expect ULSI (ultra large scale integration) circuits to use for the fifth generation of computers.

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14.

The capacity of 3.5 inch floppy disk is

   A.) 1.48 MB
   B.) 1.46 MB
   C.) 1.22 MB
   D.) 1.44 MB

Answer: Option 'D'

Microfloppy disks (3.5 inch) if it is high density (MF2HD) can store 1.44 MB and if it is low density (MF2DD), it can store 720 KB. Mini Floppy disks (5.25 inch) if it is high density (MD2HD) can store 1.2 MB and low density (MD2DD) stores 360 KB of data.

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15.

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

   A.) MICR
   B.) OCR
   C.) OMR
   D.) All of above

Answer: Option 'B'

OCR

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16.

In analog computer

   A.) Output is displayed in digital form
   B.) Input is first converted to digital form
   C.) Input is never converted to digital form
   D.) All of above

Answer: Option 'C'

Input is never converted to digital form

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17.

The output quality of a printer is measured by

   A.) Dots printed per unit time
   B.) Dot per inch
   C.) Dot per sq. inch
   D.) All of above

Answer: Option 'C'

Dot per sq. inch

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18.

In the latest generation of computers, the instructions are executed

   A.) Parallel only
   B.) Sequentially only
   C.) Both sequentially and parallel
   D.) All of above

Answer: Option 'C'

Both sequentially and parallel

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19.

Who designed the first electronics computer – ENIAC?

   A.) Joseph M. Jacquard
   B.) J. Presper Eckert and John W Mauchly
   C.) Van-Neumann
   D.) All of above

Answer: Option 'B'

J. Presper Eckert and John W Mauchly

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20.

Who invented the high level language c?

   A.) Donald Kunth
   B.) Seymour Papert
   C.) Niklaus Writh
   D.) Dennis M. Ritchie

Answer: Option 'D'

Dennis M. Ritchie

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21.

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

   A.) 1991
   B.) 1990
   C.) 1984
   D.) 1978

Answer: Option 'A'

1991

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22.

All modern computer operate on

   A.) Word
   B.) Floppies
   C.) Data
   D.) Information

Answer: Option 'C'

Data

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23.

The most important advantage of a video disk is

   A.) Cost effectiveness
   B.) Durability
   C.) Potential capacity
   D.) Compactness

Answer: Option 'C'

Potential capacity

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24.

Before a disk drive can access any area of the file, a computer program must provide the recording disk address. What information this specific address?

   A.) Track number
   B.) Surface number
   C.) Sector number
   D.) All of above

Answer: Option 'D'

All of above

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25.

Regarding a VDU, Which statement is more correct?

   A.) It is a peripheral device
   B.) It is hardware item
   C.) It is an input device
   D.) It is an output device

Answer: Option 'A'

It is a peripheral device

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26.

What is the name of the computer terminal which gives paper printout?

   A.) Plotter
   B.) Hard copy terminal
   C.) Soft copy terminal
   D.) Display screen

Answer: Option 'B'

Hard copy terminal

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27.

A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called

   A.) Laser printer
   B.) Chan printer
   C.) Ink-jet printer
   D.) Drum printer

Answer: Option 'C'

Ink-jet printer

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28.

An output device that uses words or messages recorded on a magnetic medium to produce audio response is

   A.) Voice response unit
   B.) Voice recognition unit
   C.) Magnetic tape
   D.) Voice band

Answer: Option 'A'

Voice response unit

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29.

A directly accessible appointment calendar is feature of a … resident package

   A.) CPU
   B.) Memory
   C.) Buffer
   D.) ALU

Answer: Option 'B'

Memory

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30.

Current SIMMs have either … or … connectors (pins)

   A.) 9 or 32
   B.) 30 or 70
   C.) 28 or 72
   D.) 30 or 72

Answer: Option 'D'

30 or 72

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31.

The central processing unit (CPU) consists of

   A.) Input, output and processing
   B.) Control unit, primary storage, and secondary storage
   C.) Control unit, processing, and primary storage
   D.) Control unit, arithmetic-logic unit and primary storage

Answer: Option 'D'

Control unit, arithmetic-logic unit and primary storage

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32.

programs designed to perform specific tasks is known as

   A.) system software
   B.) application software
   C.) operating system
   D.) utility programs

Answer: Option 'B'

application software

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33.

perforated paper used as input of output media is known as

   A.) paper tapes
   B.) punched papers tape
   C.) card punch
   D.) magnetic tape

Answer: Option 'A'

paper tapes

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34.

a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as

   A.) Super computer
   B.) Mini computer
   C.) Micro computer
   D.) Macro computer

Answer: Option 'A'

Super computer

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35.

An approach that permits the computer to work on several programs instead of one is

   A.) On-line thesaurus
   B.) Multiprogramming
   C.) Over lapped processing
   D.) Outline processor

Answer: Option 'C'

Over lapped processing

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36.

IC is made up of

   A.) transistors
   B.) microprocessors
   C.) vacuum tubes
   D.) Both 1 and 2

Answer: Option 'A'

transistors

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37.

Speed of first generation computer was in

   A.) nono-seconds
   B.) milliseconds
   C.) nano-milli seconds
   D.) micro seconds

Answer: Option 'D'

micro seconds

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38.

Which of the following is known as father of computer?

   A.) Napier
   B.) Dennis Ritchie
   C.) Charles Babbage
   D.) Alan Turing

Answer: Option 'C'

Charles Babbage

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39.

A computer also known as server computer, is

   A.) supercomputer
   B.) mainframe computer
   C.) minicomputer
   D.) microcomputr

Answer: Option 'C'

minicomputer

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40.

Which of the following is fastest type of computer?

   A.) Laptop
   B.) Notebook
   C.) Personal computer
   D.) Super computer

Answer: Option 'D'

Super computer

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41.

Microcomputer hardware consists of three basic categories of physical equipment.

   A.) keyboard, monitor, hard drive
   B.) system unit, input/output, secondary storage
   C.) system unit, primary storage, secondary storage
   D.) system unit, primary storage, secondary storage

Answer: Option 'B'

system unit, input/output, secondary storage

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42.

Analog computer works on the supply of

   A.) continuous electrical pulses
   B.) magnetic strength
   C.) physical strength
   D.) natural strength

Answer: Option 'A'

continuous electrical pulses

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43.

Palmtop computer is also known as

   A.) personal computer
   B.) notebook computer
   C.) tablet PC
   D.) handheld computer

Answer: Option 'D'

handheld computer

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44.

Computer's basic architecture was developed by

   A.) Charless Babbage
   B.) John Von Neumann
   C.) Blaise Pascal
   D.) Jordan Murn

Answer: Option 'B'

John Von Neumann

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45.

Laptops are

   A.) computers used in clinical laboratories
   B.) hearing voice recognition system
   C.) desktop
   D.) portable, light weight and fit into briefcases

Answer: Option 'D'

portable, light weight and fit into briefcases

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46.

Which is not the example of special purpose computer?

   A.) Automatic aircraft landing
   B.) Word processor
   C.) Multimedia computer
   D.) All of the above

Answer: Option 'B'

Word processor

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47.

The first computer which provides storage is

   A.) EDBAC
   B.) EDSAC
   C.) MARK-I
   D.) ACE

Answer: Option 'B'

EDSAC

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48.

Analytical engine developed by

   A.) Blaise Pascal
   B.) Charles Babbage
   C.) Dennis Ritchie
   D.) Alan Turing

Answer: Option 'B'

Charles Babbage

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49.

Tablet PC is a type of

   A.) microcomputer
   B.) supercomputer
   C.) minicomputer
   D.) mainframe

Answer: Option 'A'

microcomputer

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50.

A personal computer is designed to meet the computing needs of an

   A.) individual
   B.) department
   C.) company
   D.) city

Answer: Option 'A'

individual

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