46. Pick out the wrong statement.

A. Information stored in RAM can be changed by overwriting it
B. Information stored in ROM cannot be changed by overwriting
C. Information can be stored in any location of RAM
D. Computer main memory can be accessed only sequentially
E. None of the above

47. Everything computer does is controlled by its

A. RAM
B. ROM
C. CPU
D. Storage devices
E. None of the above

48. Which of the following is a non-impact printer?

A. Daisy wheel printer
B. Drum printer
C. Laser printer
D. All of the above
E. None of the above

49. In virtual storage, program segments stored on disk during processing are called:

A. tracks
B. blocks
C. pages
D. sectors
E. None of the above