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


The output quality of a printer is measured by


A) Dot per sq. inch
B) Dot per inch
C) Dots printed per unit time
D) All of the above

View Answer

Related Questions - 2


Algorithm and Flow chart help us to


A) Know the memory capacity
B) Identify the base of a number system
C) Direct the output to a printer
D) Specify the problem completely and clearly

View Answer

Related Questions - 3


The two kinds of main memory are :


A) Primary and secondary
B) Random and sequential
C) ROM and RAM
D) All of above

View Answer

Related Questions - 4


Software in computer


A) Enhances the capabilities of the hardware machine
B) Increase the speed of central processing unit
C) Both of above
D) None of above

View Answer

Related Questions - 5


John Napier invented Logarithm in


A) 1614
B) 1617
C) 1620
D) None of above

View Answer