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Which of the following are the best units of data on an external storage device?

A. Bits

B. Bytes

C. Hertz

D. Clock cycles

Correct Answer :

B. Bytes


Related Questions

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Which device can understand difference between data & programs?

A. Input device

B. Output device

C. Memory

D. Microprocessor

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

A. Pixel

B. Reverse video

C. Touch screen

D. Cursor

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A compiler is a translating program which

A. Translates instruction of a high level language into machine language

B. Translates entire source program into machine language program

C. It is not involved in program's execution

D. All of above

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Bit stands for

A. Binary digits

B. bit of system

C. a part of byte

D. All of above

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Which statement is valid about computer program?

A. It is understood by a computer

B. It is understood by programmer

C. It is understood user

D. Both a & b

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Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as

A. PC

B. Flags

C. Memory Address Registers

D. General Purpose Registers

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________ are used to identify a user who returns to a Website

A. Cookies

B. Plug-ins

C. Scripts

D. ASPs

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Which of the following memory medium is not used as main memory system?

A. Magnetic core

B. Semiconductor

C. Magnetic tape

D. Both a and b

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4

Who is the chief of Microsoft

A. Babbage

B. Bill Gates

C. Bill Clinton

D. none of these

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Which of the following is first generation of computer?

A. EDSAC

B. IBM-1401

C. CDC-1604

D. ICL-2900

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What are the stages in the compilation process?

A. Feasibility study, system design and testing

B. Implementation and documentation

C. Lexical Analysis, syntax analysis, and code generation

D. None of the above

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Mostly which of the following device is used to carry user files?

A. Floppy Disk

B. Hard Disk

C. RAM

D. CDROM

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What is meant by a dedicated computer?

A. Which is used by one person only

B. Which is assigned one and only one task

C. Which uses one kind of software

D. Which is meant for application software

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The personal computer industry was started by

A. IBM

B. Apple

C. Compaq

D. HCL

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Algorithm and Flow chart help us to

A. Know the memory capacity

B. Identify the base of a number system

C. Direct the output to a printer

D. Specify the problem completely and clearly

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A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is

A. Memory

B. Buffer

C. Accumulator

D. Address

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People often call as the brain of computer system

A. Control Unit

B. Arithmetic Logic Unit

C. Central Processing Unit

D. Storage Unit

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4

The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,

A. Capacitance keyboard

B. Mechanical keyboard

C. Qwerty keyboard

D. Dvorak keyboard

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For which of the following computers can't be used?

A. Gathering data

B. calculating data

C. Comparing data

D. Arranging data

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4

A number that is used to control the form of another number is known as

A. Map

B. Mask

C. Mamtossa

D. Marker

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What is a light pen?

A. Mechanical Input device

B. Optical input device

C. Electronic input device

D. Optical output device

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A hard copy would be prepared on a

A. Line printer

B. Dot matrix Printer

C. Typewriter terminal

D. All of the above

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Access time is

A. seek time + latency time

B. seek time

C. seek time

D. latency time

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A dumb terminal has

A. an embedded microprocessor

B. extensive memory

C. independent processing capability

D. a keyboard and screen

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Which of the following is the smallest storage?

A. Megabyte

B. Gigabyte

C. Terabyte

D. None of these

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4

Which programming languages are classified as low level languages?

A. Basic, COBOL, FORTRAN

B. Prolog 2, Expert Systems

C. Knowledge based Systems

D. Assembly Languages

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4

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

A. Daughter board

B. Motherboard

C. Father board

D. Breadboard

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Which is not a basic function of a computer?

A. Store data

B. Accept input

C. Process data

D. Copy text

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4

Networking such as LAN, MAN started from

A. First generation

B. Second generation

C. Third generation

D. Fourth generation

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Which of the following is/ are operating systems

A. Windows

B. Unix

C. OS/2

D. All of these