Memory Devices – Exercise – 1

36. What is the meaning of RAM, and what is its primary role?

(a) Readily Available Memory; it is the first level of memory used by the computer in all of its operations.
(b) Random Access Memory; it is memory that can be reached by any sub- system within a computer, and at any time.
(c) Random Access Memory; it is the memory used for short-term temporary data storage within the computer.
(d) Resettable Automatic Memory; it is memory that can be used and then automatically reset, or cleared, after being read from or written to.

37. How many address bits are needed to select all memory locations in the 2118 16K × 1 RAM?

(a) 8
(b) 10
(c) 14
(d) 16

38. Nota

39. The check sum method of testing a ROM:

(a) indicates if the data in more than one memory location is incorrect.
(b) provides a means for locating and correcting data in specific memory locations.
(c) allows data to be pinpointed to a specific memory location.
(d) simply indicates that the contents of the ROM are incorrect.

40. The condition occurring when two or more devices try to write data to a bus simultaneously is called ________.

(a) address decoding
(b) bus contention
(c) bus collisions
(d) address multiplexing

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