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
A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
A) Memory
B) Buffer
C) Accumulator
D) Address
Related Questions - 2
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
A) Bus control
B) Interrupts
C) Bus arbitration
D) Status
Related Questions - 3
The word processing task associated with changing the appearance of a document is
A) Editing
B) Writing
C) Formatting
D) All of above
Related Questions - 4
Which of the following is used as a primary storage device ?
A) Magnetic drum
B) Hard Disks
C) Floppy
D) All of above
Related Questions - 5
What is the responsibility of the logical unit in the CPU of a computer ?
A) To produce result
B) To compare numbers
C) To control flow of information
D) To do math’s works