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Computer Basic Information

Computer Basic Information
Which type of printer is used in Indian Railway Reservation System?

Inkjet Printer
Daisy Wheel Printer
Lazer Printer
Dot Matrix Printer

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Computer Basic Information
What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors.)

Sectioning
None of these
Copying
Formatting
Tracking

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Computer Basic Information
The ability of a computer system to remain operational despite various failures is

Schema
Relation
Versatility
None of these
Resilience

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Computer Basic Information
Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input. Which of the following is not a character reader?

OMR
None of these
MICR
LCD
OCR

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Computer Basic Information
Which kind of devices allows the user to add components and capabilities to a computer system?

Output devices
Input devices
Storage devices
System boards
Expansion slots

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Computer Basic Information
Which of the following input/output devices is not associated with personal computers?

punched cards
color monitors
mice
optical scanners
dot-matrix printers

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