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


Abacus was the first


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

View Answer

Related Questions - 2


A hybrid computer


A) Resembles digital computer
B) Resembles analogue computer
C) Resembles both a digital and analogue computer
D) None of the above

View Answer

Related Questions - 3


Integrated Circuits (Ics) are related to which generation of computers ?


A) First generation
B) Second generation
C) Third generation
D) Fourth generation

View Answer

Related Questions - 4


Mnemonic a memory trick is used in which of the following language ?


A) Machine language
B) Assembly language
C) High level language
D) None of above

View Answer

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

View Answer