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4

Which one is the largest space?

A. kilobyte

B. petabyte

C. terrabyte

D. gigabyte

Correct Answer :

B. petabyte


Related Questions

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A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is

A. Touch panel

B. Mouse

C. Wand

D. Writing tablet

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A memory that does not change its contents without external causes is known as

A. Dynamic memory

B. Static memory

C. RAM

D. EEPROM

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The act of retrieving existing data from memory is called

A. Read-out

B. Read from

C. Read

D. All of above

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Which is a device that changes information into digital form?

A. Modem

B. Digitizer

C. Mouse

D. Light pen

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On a PC, how much memory is available to application software?

A. 1024 KB

B. 760 KB

C. 640 KB

D. 560 KB

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The CPU and memory are located on the:

A. expansion board

B. motherboard

C. storage device

D. output device

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4

When was the X window system born?

A. 1984

B. 1989

C. 1988

D. 1990

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Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):

A. Hacker-proof program.

B. Firewall.

C. Hacker-resistant server.

D. Encryption safe wall.

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4

What is the main difference between a mainframe and a super computer?

A. Super computer is much larger than mainframe computers

B. Super computers are much smaller than mainframe computers

C. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many

D. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

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

A. 1978

B. 1984

C. 1990

D. 1991

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Computers manipulate data in many ways, and this manipulation is called________

A. upgrading

B. processing

C. batching

D. utilizing

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Microprocessors as switching devices are for which generation computers

A. First Generation

B. Second Generation

C. Third Generation

D. Fourth Generation

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A collection of related instructions organized for a common purpose is referred to as

A. File

B. Database

C. Program

D. None of above

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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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4

Which type of computers uses the 8-bit code called EBCDIC?

A. Minicomputers

B. Mainframe computers

C. Super computer

D. Microcomputers

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4

Which one is the largest space?

A. kilobyte

B. petabyte

C. terabyte

D. gigabyte

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4

To prevent the loss of data during power failures, use a(n):

A. Encryption program.

B. Surge protector.

C. Firewall.

D. UPS.

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4

Through which device the main components of the computer communicate with each other?

A. Keyboard

B. System Bus

C. Monitor

D. Memory

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What was the name of the first commercially available microprocessor chip?

A. Intel 308

B. Intel 33

C. Intel 4004

D. Motorola 639

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Most important advantage of an IC is its

A. Easy replacement in case of circuit failure

B. Extremely high reliability

C. Reduced cost

D. Low power consumption

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Which of the following memories allows simultaneous read and write operations?

A. ROM

B. RAM

C. EPROM

D. None of above

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4

Symbolic logic was discovered by

A. George Boole

B. Herman Hollerith

C. Van Neumann

D. Basic Pascal

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Abacus was the first

A. electronic computer

B. mechanical computer

C. electronic calculator

D. mechanical calculator

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A storage system for small amounts of data is

A. Magnetic card

B. Magnetic tape

C. Punched card

D. Optical mark reader

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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 the above

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Which of the following is not processing?

A. arranging

B. manipulating

C. calculating

D. gathering

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Software in computer

A. Enhances the capabilities of the hardware machine

B. Increase the speed of central processing unit

C. Both of above

D. None of above

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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

MAN stands for

A. Maximum Area Network

B. Minimum Area Network

C. Main Area Network

D. Metropolitan Area Network

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Tape speed is measured in

A. Feet per second

B. Inch per second

C. Meter per second

D. Centimeter per second