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GK One-Line Question & Answer

15541+ short questions with short answers, covering every category and sub-category on the site — no long articles to scroll through. Good for a fast recap before an exam, or a few minutes of daily practice.

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Computer Fundamentals → Introduction to Computer 30

Which generation computers used magnetic drums for memory?
First
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Which of the following is a characteristic of 5th generation computers?
Natural language processing
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LSI stands for?
Large Scale Integration
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FORTRAN was developed for which generation computers?
Second
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Which company built the ENIAC computer?
Eckert-Mauchly Computer Corporation
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Heat dissipation was a major problem in which generation?
First
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Which generation computers are still being developed?
Fifth
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COBOL was introduced for which generation computers?
Second
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The reliability of computers improved most significantly in which transition?
1st to 2nd gen
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Which generation introduced the concept of personal computers?
Fourth
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EDSAC stands for?
Electronic Delay Storage Automatic Calculator
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Which technology is used in 5th generation computers?
Both B and C
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IBM 360 series belongs to which generation?
Third
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The first electronic computer ENIAC was built in the year?
1946
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Reduced size, cost and power consumption are advantages of?
Both B and C
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Which language is closest to machine language?
Assembly
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EDVAC was designed on the principle of?
Stored program concept
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Which generation computers used semiconductor memory?
Third
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Power consumption was extremely high in?
First generation
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Which generation introduced online storage and real-time processing?
Third
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The transistor was invented at Bell Laboratories in?
1947
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Which of the following is an example of a pointing device?
Mouse
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OCR stands for?
Optical Character Recognition
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A trackball is an example of which type of device?
Input
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MICR stands for?
Magnetic Ink Character Recognition
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Which device converts digital signals to analog for telephone transmission?
Modem
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Touch screen is which type of device?
Both input and output
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DPI stands for in context of printers?
Dots Per Inch
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Which is the fastest type of printer?
Laser
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OMR stands for?
Optical Mark Recognition
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Computer Fundamentals → Memory Units 2

The concept of stored program was introduced by?
John von Neumann
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Which generation used magnetic tape for secondary storage?
Both A and B
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Computer Fundamentals → Generations of Computer 3

Which of the following first generation computers used binary coded decimal?
ENIAC
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Which generation of computers introduced GUI (Graphical User Interface)?
Fourth
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The first generation computer that was commercially successful?
UNIVAC I
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Computer Fundamentals → Output Devices 3

Which of the following is NOT an output device?
Scanner
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A plotter is used to print?
Large drawings and graphs
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Which printer uses heat to produce images on special paper?
Thermal
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Computer Fundamentals → Input Devices 2

Which input device is used in supermarkets to read product codes?
Barcode reader
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The keyboard shortcut to copy selected text is?
Ctrl+C
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