44. ________ memory is a small, high-speed, high-cost memory that servers as a b

ID: 645566 • Letter: 4

Question

44. ________ memory is a small, high-speed, high-cost memory that servers as a buffer for frequently accessed data.

A) ROM B) RAM C) cache D) SRAM

45. The basic difference between RAM and ROM memory is:

A) RAM is nonvolatile while ROM is volatile B) RAM is read/write while ROM Is read only

C) ROM is used to store programs and data, while RAM is not

D) ROM is typically specified when you buy a computer; RAM is not

46. The approach of using a combination of memory types to provide the best performance at the best cost is called:

A) caching B) hierarchical memory C) solid state memory

D) off-line memory

47. Examples of secondary memory include:

A) ROM, PROM, and EROM B) main memory and cache

C) magnetic disk drives and solid state memory D) optical jukeboxes and tape libraries

48. When the requested data resides in a given level of memory, we call this a ________.

A) hit B) penalty C) miss D) locality of reference

49.

44. c

45. b

46. c

47. c

48. a

49 c

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