Question :

Which is considered a direct entry input device ?


A) Optical scanner
B) Mouse and digitizer
C) Light pen
D) All of the above

Answer : D

Description :



Related Questions - 1


A register organized to allow to move left or right operations is called a ____


A) Counter
B) Loader
C) Adder
D) Shift register

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Related Questions - 2


The word processing task associated with changing the appearance of a document is


A) Editing
B) Writing
C) Formatting
D) All of above

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Related Questions - 3


The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately


A) 16 digits
B) 6 digits
C) 9 digits
D) All of above

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Related Questions - 4


When was vacuum tube invented ?


A) 1900
B) 1906
C) 1910
D) 1880

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Related Questions - 5


The ALU of a computer responds to the commands coming from


A) Primary memory
B) Control section
C) External memory
D) Cache memory

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