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COMPUTER KNOWLEDGE 1 TO 20

 computer knowledge
Ques. : 1 Which is considered a direct entry input device?
1) Optical scanner 2) Mouse
3) Light pen 4) Digitizer
5) All of the above. Ans. 5

Ques. : 2 The daily processing of corrections to customer accounts best exemplifies the processing mode of:
1) Batch processing 2) Real-time processing
3) Interactive processing 4) Multi processing
5) All of the above. Ans.) 1

Ques. : 3 Which is a unit of measurement used with computer systems?
1) Byte 2) Kilobyte
3) Megabyte 4) Gigabyte
5) All of the above Ans.) 5

Ques. : 4 A character is represented in EBCDIC by
1) one bit 2) four bits
3) eight bits 4) sixteen bits
5) None of the above Ans.) 3

Ques. : 5 Which is a secondary memory device?
1) CPU 2) ALU
3) Floppy disk 4) Mouse
5) None of the above Ans.) 3

Ques. : 6 Which is the computer memory that does not forget?
1) ROM 2) RAM
3) PROM 4) All of the above
5) None of the above Ans.) 1

Ques. : 7 The most common binary code in use today is the 8 bit ASCII code. What do the letters ASCII stand for?
1) American Standard Code for International
Interchange
2) American Standard Code for Information
Interchange
3) American Standard Code for Intelligence
interchange
4) American Scientific Code for Information
Interchange
5) None of the above Ans.) 2

Ques. : 8 A computer derives its basic strength from
1) Speed 2) Accuracy
3) Memory 4) all of the above
5) None of the above Ans.) 4

Ques. : 9 A collection of eight bits is called
1) Byte 2) Word
3) Record 4) file
5) None of the above Ans.) 1

Ques. : 10 A BIT represents a
1) Decimal digit 2) Octal digit
3) Binary digit 4) Hexadecimal digit
5) none of these Ans.) 3

Ques. : 11 Which can read data and convert them to a form that a computer can use?
1) Logic 2) Storage
3) Control 4) Input device
5) Output device Ans.) 4

Ques. : 12 Software instruction intended to satisfy a user's specific processing needs are called
1) System software 2) A microcomputer
3) Documentation 4) Applications software
5) All of the above Ans.) 4

Ques. : 13 Which of the following is the most powerful type of computer?
1) Super micro 2) Super conductor
3) Microcomputer 4) Super computer
5) Mega frame Ans.) 4

Ques. : 14 Which of the following people probably has the least amount of technical knowledge?
1) Programmer 2) User
3) System analyst 4) Computer operator
5) Computer professional Ans.) 2

Ques. : 15 The Central Processing Unit (CPU) consists of:
1) Input, output and processing 2) Control unit, primary storage & secondary
storage
3) Control unit, arithmetic-logic unit, primary
storage 4) Control unit, processing, and primary storage
5) None of the above Ans.) 3

Ques. : 16 This is the part of the computer system that one can touch
1) hardware 2) data
3) software 4) input
5) None of these Ans.) 1

Ques. : 17 Reusable optical storage will typically have the acronym ___.
1) CD 2) RW
3) DVD 4) ROM
5) None of these Ans.) 2

Ques. : 18 The __________ tells the computer how to use its components.
1) utility 2) network
3) operating system 4) application program
5) None of these Ans.) 3

Ques. : 19 A(n) __________ is a program that makes the computer easier to use.
1) application 2) utility
3) network 4) operating system
5) None of these Ans.) 2

Ques. : 20 The ‘Difference Analyzer’ was created in the early 1920s by __
1) Peter Norton 2) Douglas Knuth
3) Vannevar Bush 4) Alan Kay
5) None of these Ans.) 3


COMPUTER KNOWLEDGE 1 TO 20 Reviewed by sambasivan srinivasan on 9:38:00 AM Rating: 5

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