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Computer Basic Information

Computer Basic Information
What is the name given to the 8-bit unit used for coding data?

None of these
block of characters
KB
byte
word

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Computer Basic Information
What is the name of the earliest calculating machine which was based on concepts found in modern computers but was unfortunately never built?

Babbage's Difference Engine
None of these
Pascal's Adder
Leibnitz's Multiplier
Differential Analyser

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Computer Basic Information
Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify?

None of these
Track number
All of these
Sector number
Surface number

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Computer Basic Information
An input device that is able to interpret pencil marks on paper media is known as

Magnetic tape
Magnetic disk
None of these
Card Puncher
Optical Mark Reader

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Computer Basic Information
What is the most common tool used to restrict access to a computer system?

Passwords
Access-control software
Computer keys
User log in

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Computer Basic Information
What is the term which represents the use of links between information of all sorts whether text, graphics, video oi audio-based?

Hypertext
HyperCard
Wildcard
None of these
Hypermedia

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