Computer 1st Year Solved MCQS
A type of reader commonly used to read UPC code is called:
Optical-work reader
MICR
Bar-code reader
None of these
Hard copy output refers to
Both a and b
Monitor output
Paper output
All of above
System requirements are created during:
Design
Analysis
Preliminary Investigation
Development
CPU is example of
Software
Input unit
Program
Hardware
Printers and monitors are common forms of
Output units
Input units
Storage unit
Processing
Pins on the head of a dot-matrix printer
Less than 50
Up to 500
Up to 600
Up to 100
Maintenance phase includes
Keep system working
All of above
Adopt changes
Improvements
Which is the first phase of the SDLC?
Analysis
Coding
Preliminary investigation
Design
Smallest unit of memory is:
Byte
Character
Bit
Word
Ink used in laser printers in the form of
Gas
Power
Solid
Liquid
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