21. Which of the following can store information in the form of microscopic pits on metal disks?

A. Laser Disks
B. Tape cassettes
C. RAM cartridge
D. Punched cards
E. None of the above

22. A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is

A. Touch panel
B. Mouse
C. Wand
D. Writing tablet
E. None of the above

23. A storage system for small amounts of data is

A. Magnetic card
B. Magnetic tape
C. Punched card
D. Optical mark reader
E. None of the above

24. Which is another name for functional language?

A. Machine
B. Application language
C. Low-level language
D. High-level language
E. None of the above

25. Compilers and interpreters are themselves

A. High-level language
B. Codes
C. Programs
D. Mnemonics
E. None of the above