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4

Latency time is

A. Time to spin the needed data under head

B. Time to spin the needed data under track

C. Time to spin data under sector

D. All of above

Correct Answer :

D. All of above


Related Questions

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Why ABC is considered electro-mechanical computer?

A. Because it was invented before electronic computers were developed

B. Because there are wheels, drums, bars to rotate and move to produce result

C. Because they use the flow of electrons in different component

D. None of above

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4

Which one is the largest space?

A. kilobyte

B. petabyte

C. terabyte

D. gigabyte

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4

Each model of a computer has a unique

A. Assembly of a computer

B. Machine language

C. High level language

D. All of the above

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4

The report card and merit list forms the

A. Output data

B. Data processing

C. Central Processing

D. Input data

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4

Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify?

A. Track number

B. Sector number

C. Surface number

D. All of above

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4

Which number system is usually followed in a typical 32-bit computer?

A. Binary

B. Decimal

C. Hexadecimal

D. Octal

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4

Chief component of first generation computer was

A. Transistors

B. Vacuum Tubes and Valves

C. Integrated Circuits

D. None of above

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4

Regarding data, computers are very good at

A. store

B. Processing

C. retrieve

D. All of above

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4

Programs designed to perform specific tasks is known as

A. system software

B. application software

C. utility programs

D. operating system

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4

Which of the following is not input unit device?

A. scanner

B. camera

C. plotter

D. digitizer

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4

Which part of the computer is directly involved in executing the instructions of the computer program?

A. The scanner

B. The main storage

C. The secondary storage

D. The processor

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4

Mnemonic a memory trick is used in which of the following language?

A. Machine language

B. Assembly language

C. High level language

D. None of above

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4

Which of the following is not a form of data?

A. numbers and characters

B. images

C. sound

D. none of above

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4

Codes consisting of light and dark marks which may be optically read is known as

A. Mnemonics

B. Bar code

C. Decoder

D. All of the above

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4

The subject of cybernetics deals with the science of

A. Genetics

B. Control and communication

C. Molecular biology

D. Biochemistry

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4

Who invented punched cards?

A. Charles Babbage

B. Dr. Herman Hollerith

C. Howard Aikin

D. Joseph Jacquard

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4

Tape speed is measured in

A. Feet per second

B. Inch per second

C. Meter per second

D. Centimeter per second

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4

The first machine to successfully perform a long series of arithmetic and logical operations was:

A. ENIAC

B. Mark-I

C. Analytic Engine

D. UNIVAC-1

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4

To produce high quality graphics (hardcopy) in color, you would want to use a/n

A. RGB monitor

B. Plotter

C. Ink-jet printer

D. Laser printer

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4

Storage capacity of magnetic disk depends on

A. tracks per inch of surface

B. bits per inch of tracks

C. disk pack in disk surface

D. All of above

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4

________ computers operate essentially by counting

A. Portable computer

B. Hybrid computer

C. Analog computer

D. Digital computer

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4

What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

A. Bus control

B. Interrupts

C. Bus arbitration

D. Status

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4

What was the main disadvantage of vacuum tubes?

A. They were larger in size

B. They consumed a lot of electricity

C. They produced heat and often burned out

D. The operation cost was high

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4

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?

A. Motherboard

B. Breadboard

C. Daughter board

D. Grandmother board

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4

Which electronic component was made out of semiconductor material?

A. Vacuum tubes

B. Transistors

C. Ics

D. All of above

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4

Which of the following is the largest manufacturer of Hard Disk Drives?

A. IBM

B. Seagate

C. Microsoft

D. 3M

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4

Artificial Intelligence is associated with which generation?

A. First Generation

B. Second Generation

C. Fifth Generation

D. Sixth Generation

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4

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

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4

What is the other name for programmed chip?

A. RAM

B. ROM

C. LSIC

D. PROM

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4

A name or number used to identify storage location devices?

A. A byte

B. A record

C. An address

D. All of above