The light pen was developed in
The 2's complement number ofis
Computer can not do anything without a
The first mechanical calculating machine was made by
A printer in which the characters are embossed on a band is
The two main components of the CPU is
A micro processor chip used in a PC system
No computer can do anything without a
A program used to detect overall system malfunction is
The purpose of an application program is to
The ability of a computer system to remain operational despite various failures is
Which programming language is much in vogue among users of microcomputers
Arranging data in a specific order is called
A factor which might cause an individual to consider using a computer in criminal activities is:
ILLIAC is a
The estimation of the value of a function at a point beyond the interval in which the data lies is called known as
A computer, by definition, is any device that computers. This broad definition includes which of the following?
A specific part of an arithmetic & logic unit that is used to perform the operation of multiplication is
A hand-held device for optically reading bar codes on goods, labels & shelves is
Sometime data are gathered over a period of time and collected into a group before entering them into a computer for processing. What type of processing is it called?
Which of the following translate back from machine code something resembling the source language
Which system was developed by Rank-Xeron for use with office computers and other equipment.
Which of the following memories must be refreshed many times per second?
Multiplication of 1112 by 1012 is
The area of computer science which is concerned with the display of pictures is
Transmission and presentation of text and graphics is called
What type of memory is not directly addressable by the CPU and requires special software called EMS (expanded memory specification)?
An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
Who launched IBM's First PC in 1981?
An electrical inter-connection that permit 8 or more bits of data to be moved in the same instant of time is called
An input device that is able to interpret pencil marks on paper media is known as
What was the computer conceived by Babbage?
Which of the following is used for input and output both
In analog computer
Which of the following is considered a direct-entry input device?
Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?
Bubble memory is a
The third generation of computers covers the period:
Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
Which memory stores the values of variables.
Which of the following languages is often translated to pseudo code?
The data bus in 8080A/microprocessor is a group of
The OCR stand for?
A device that can accept data, hold them&deliver them on demand at a later time is known as
Which of the following is a computer memory that can be programmed once, but not reprogrammed.
Which of the following is directry controlled from a keyboard.
Number cruncher is the informal name for
Magnetic tape can serve as
Pictures or drawings, typically displayed on a VDU to allow users to select program options is called
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