Question :
A) Optical scanner
B) Mouse and digitizer
C) Light pen
D) All of the above
Answer : D
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
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
Related Questions - 2
BCD is
A) Binary Coded Decimal
B) Bit Coded Decimal
C) Binary Coded Digit
D) Bit Coded Digit
Related Questions - 3
What is required when more than one person uses a central computer at the same time ?
A) Light pen
B) Mouse
C) Digitizer
D) Terminal
Related Questions - 4
Why are vacuum tubes also called valves?
A) Because they can amplify the weak signals and make them strong
B) Because they can stop or allow the flow of current
C) Both of above
D) None of above
Related Questions - 5
What are the three decisions making operations performed by the ALU of a computer?
A) Grater than
B) Less than
C) Equal to
D) All of the above