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4

EBCDIC can code up to how many different characters?

A. 256

B. 16

C. 32

D. 64

Correct Answer :

A. 256


Related Questions

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4

The storage subsystem in a microcomputer consists mainly of __ or __ media with varying capacities

A. Memory or video

B. Magnetic or optical

C. Optical or memory

D. Video or magnetic

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4

A pen shaped device which can sense light, and is used to point at spots on a video screen.

A. Mouse

B. Light pen

C. Joystick

D. Plotter

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4

The instructions that tell a computer how to carry out the processing tasks are referred to as computer________

A. programs

B. processors

C. input devices

D. memory modules

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4

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

Each set of Napiers bones consisted of ______ rods.

A. 5

B. 9

C. 11

D. 13

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4

The thing that eventually terminates a worm virus is a lack of:

A. Memory or disk space.

B. Time.

C. CD drives space.

D. CD-RW.

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4

The control unit of a microprocessor

A. Stores data in the memory

B. Accepts input data from keyboard

C. Performs arithmetic/logic function

D. None of above

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4

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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4

One computer that is not considered a portable is

A. Minicomputer

B. Laptop computer

C. Notebook computer

D. All of above

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4

Which of the following is used as a primary storage device?

A. Magnetic drum

B. Hard Disks

C. Floppy

D. All of above

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4

Which of the following controls the process of interaction between the user and the operating system?

A. User interface

B. Language translator

C. Platform

D. Screen saver

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4

Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots?

A. Napier

B. Babbage

C. Pascal

D. Leibniz

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4

Which one is the largest space?

A. kilobyte

B. petabyte

C. terrabyte

D. gigabyte

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4

A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is

A. Bug

B. Vice

C. Lice

D. Worm

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4

Regarding a VDU, Which statement is more correct?

A. It is an output device

B. It is an input device

C. It is a peripheral device

D. It is hardware item

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4

Before a disk can be used to store datA. It must be

A. Formatted

B. Reformatted

C. Addressed

D. None of the above

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4

A device designed to read information encoded into a small plastic card is

A. Magnetic tape

B. Badge reader

C. Tape puncher

D. Card puncher

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4

Which of the following is not anti- viruses' software?

A. NAV

B. F-Prot

C. Oracle

D. McAfee

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4

As compared to the secondary memory, the primary memory of a computer is

A. Large

B. Cheap

C. Fast

D. Slow

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4

A directly accessible appointment calendar is feature of a __ resident package

A. CPU

B. Memory

C. Buffer

D. ALU

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4

Codes consisting of lines of varying widths or lengths that are computer-readable are known as-

A. an ASCII code

B. a magnetic tape

C. an OCR scanner

D. a bar code

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4

Which of the following class of computers cannot support multiple users simultaneously?

A. Mainframe Computer

B. Mini Computers

C. Micro Computers

D. All of them can support

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4

In the third Generation of computers

A. Distributed data processing first became popular

B. An operating system was first developed

C. High level procedural language were first used

D. Online real time systems first become popular

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4

A memory that holds micro programs is

A. Core memory

B. ROM

C. RAM

D. Control memory

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4

The basic operations performed by a computer are

A. Arithmetic operation

B. Logical operation

C. Storage and relative

D. All the above

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4

Who invented Analytical engine?

A. Blaise Pascal

B. George Bool

C. Charles Babbage

D. Dr. Herman Hollerith

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4

Which of the following is not purely output device?

A. Screen

B. Printer

C. Speaker

D. Plotter

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4

ENIAC uses

A. Decimal Numbering System

B. Octal Numbering System

C. Binary Numbering System

D. Hexadecimal Numbering System

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4

Which is valid statement?

A. 1 KB = 1024 Bytes

B. 1 MB = 1024 Bytes

C. 1 KB = 1000 Bytes

D. 1 MB = 1000 Bytes

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4

CAD stands for

A. Computer aided design

B. Computer algorithm for design

C. Computer application in design

D. Computer analogue design