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Computer Basic Information

Computer Basic Information
General purpose computers are those that can be adopted to countless uses simply by changing its

keyboard
printer
display screen
None of these
program

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Computer Basic Information
In 1830, Charles Babbage disigned a machine called the Analytical Engine which he showed at the Paris Exhibition. In which year was it exhibited?

1860
1820
1855
None of these
1870

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Computer Basic Information
Standardization of Microsoft programs and the Windows operating system has made the spread of viruses:

More difficult
Slower
Easier
More complicated

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Computer Basic Information
The ............ operating system was initially created in the early 1970s at AT & T's Bell Labs.

None of these
GNU
Unix
Linux
DOS

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Computer Basic Information
Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):

Hacker-proof program
Encryption safe wall
Firewall
Hacker-resistant server

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Computer Basic Information
Which of the following devices can be used to directly input printed text?

OCR
All of these
MICR
OMR
None of these

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