21. Which of the following memory chip is faster ?
(a) There is no certainty
(b) DRAM
(c) SRAM
(d) RAM
22. Cache and main memory will not be able to hold their contents when the power is Off. They are :
(a) dynamic
(b) static
(c) volatile
(d) non-volatile
23. The term …………..… refers to data storage systems that make it possible for a computer or electronic device to store and retrieve data.
(a) retrival technology
(b) input technology
(c) output technology
(d) storage technology
24. Full from of MB is :
(a) micro Bytes
(b) mega Bytes
(c) mini Bytes
(d) milli bytes
25. Which of the following is not a ROM ?
(a) PROM
(b) EPROM
(c) EEPROM
(d) EDPROM
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