21. A disk with usable recording surfaces on each side is known as
A. Hard disk
B. Single-sided disk
C. Double-sided disk
D. High capacity
E. None of the above
22. What is a portion of memory that serves as a temporary repository for data as it waits for a given action?
A. Memory Pool
B. Cache
C. Processor
D. Processor pool
E. Bank
23. In serial, asynchronous transmissions, the ____ bit is used to signal the end of the character within the data frame.
A. start
B. stop
C. parity
D. data
E. None of the above
24. Which is the acronym for Algol extended for design.
A. AFIPS
B. ADP
C. AED
D. CAI
E. None of the above
25. Which of the following are often used to ensure that data has been accurately input to the computer?
A. digitizers
B. light pens
C. keyboards
D. input controls
E. None of the above