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The average time necessary for the correct sector of a disk to arrive at the read write head is _____

A. Down time

B. Seek time

C. Rotational delay

D. Access time

Correct Answer :

C. Rotational delay


Related Questions

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Which of the following is a storage device?

A. Tape

B. Hard Disk

C. Floppy Disk

D. All of the above

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4

A computer program that converts assembly language to machine language is

A. Compiler

B. Interpreter

C. Assembler

D. Comparator

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4

What is a light pen?

A. A Mechanical Input device

B. Optical input device

C. Electronic input device

D. Optical output device

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4

Who invented the microprocessor?

A. Marcian E Huff

B. Herman H Goldstein

C. Joseph Jacquard

D. All of above

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It was in 2028 BS the was brought in to calculate census datA.

A. IBM 1400

B. IBM 1401

C. ICL 2950

D. None of above

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The arranging of data in a logical sequence is called

A. Sorting

B. Classifying

C. Reproducing

D. Summarizing

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

A. Multivibrator

B. Flip-flop

C. Logic gates

D. laten

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4

When was the X window system born?

A. 1984

B. 1989

C. 1988

D. 1990

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What does DMA stand for?

A. Distinct Memory Access

B. Direct Memory Access

C. Direct Module Access

D. Direct Memory Allocation

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Properly arranged data is called

A. Field

B. Words

C. Information

D. File

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Which is used for manufacturing chips?

A. Bus

B. Control unit

C. Semiconductors

D. A and b only

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4

A device invented by Dr. Bobeck in 1966, for mass storage of data is

A. Punched paper tape

B. Magnetic bubble storage

C. Magnetic tape

D. Magnetic disk

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4

Which of the following is used only for data entry and storage, and never for processing?

A. Mouse

B. Dumb terminal

C. Micro computer

D. Dedicated data entry system

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4

IBM 7000 digital computer

A. Belongs to second generation

B. Uses VLSI

C. Employs semiconductor memory

D. Has modular constructions

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The Third Generation Computer was made with .

A. Vacuum Tube

B. Discrete Components

C. IC

D. Bio Chips

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VDU is also called

A. Screen

B. Monitor

C. Both 1 & 2

D. printer

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A datum that indicates some important state in the content of input or output is

A. Sequence

B. Sentinel

C. SIO

D. Sibling

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Which of the following are the functions of a operating system

A. Allocates resources

B. Monitors Activities

C. Manages disks and files

D. All of the above

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4

Which of the following statement is false?

A. Mechanical analog computers have existed for thousands of years

B. There are mechanical analog computers and electronic analog computers.

C. All electronic computers are digital computers

D. All of above are false

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The Second Generation Computer was based on .

A. Vacuum Tube

B. Silicon Chips

C. Transistor

D. Bio Chips

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The brain of any computer system is

A. Control Unit

B. Arithmetic Logic Unit

C. Central Processing Unit

D. Storage Unit

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What was the computer invented by Attanasoff and Clifford?

A. Mark I

B. ABC

C. Z3

D. None of above

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________ computer is small general purpose micro computer, but larger than portable computer

A. Hybrid

B. Digital

C. Desktop

D. Laptop

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A factor which would strongly influence a business person to adopt a computer is its

A. Accuracy

B. Reliability

C. Speed

D. All of above

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Which of the following is not a primary storage device?

A. Magnetic tape

B. Magnetic disk

C. Optical disk

D. All of above

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4

How many numbers could ENIAC store in its internal memory

A. 100

B. 20

C. 80

D. 40

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Who suggested Stored Program Concept

A. John Mauchley

B. J.P. Eckert

C. John Neumann

D. Joseph Jacquard

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CD-ROM stands for

A. Compactable Read Only Memory

B. Compact Data Read Only Memory

C. Compactable Disk Read Only Memory

D. Compact Disk Read Only Memory

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

A. Motherboard

B. Daughterboard

C. Bredboard

D. Fatherboard

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Which of the following is the most quickly accessible storage?

A. RAM

B. Registers

C. Disks

D. Pen Drive