The arithmetic calculations in a computer are performed by from

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 Multiple Choice QuestionsMultiple Choice Questions

41.

The solution of the equation log7log5x2 + 5 + x = 0 is

  • x = - 2

  • x = 2

  • x = 4

  • x = 5


42.

A gigabyte (GB) refers to

  • 210 bytes

  • 220 bytes

  • 230 bytes

  • 240 bytes


43.

Which of the following is a peripheral device?

  • visual display unit

  • Hard disk drive

  • Floppy disk drive

  • All of the above


44.

Which of the following is not a general purpose application software ?

  • Word processors

  • Programs for playing games

  • Spread-sheets

  • Data communication software


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45.

Which of the following methods is surely convergent?

  • Regula-Falsi method

  • Balzano method

  • Both (a) and (b)

  • Neither (a) nor (b)


46.

The Newton Raphson method converges fast, if f'(α) is

  • small

  • large

  • 0

  • None of these


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47.

The arithmetic calculations in a computer are performed by

  • input unit

  • ALU

  • output unit

  • memory


B.

ALU

The arithmetic calculations in a computer are performed by ALU.


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48.

The control structure of IF-THEN is a

  • multiple selection

  • double selection

  • single selection

  • None of these


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49.

If log104x = y, then log108x4 is equal to

  • 23y

  • 3y

  • 4y

  • 2y


50.

Scanner is

  • an input device

  • an output device

  • a memory device

  • None of the above


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