An integrated circuit is

A) A complicated circuit
B) An integrating device
C) Much costlier than a single transistor
D) Fabricated on a tiny silicon chip

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The brain of any computer system is

A) ALU
B) Memory
C) CPU
D) Control unit

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Machine language is

A) Machine dependent
B) Difficult to program
C) Error prone
D) All of above

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Magnetic disks are the most popular medium for

A) Direct access
B) Sequential access
C) Both of above
D) None of above

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Abacus was the first

A) electronic computer
B) mechanical computer
C) electronic calculator
D) mechanical calculator

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