12.Which of the following is used to build RAM
a. Semiconductors.
b vacuum tubes
c. Transistors
d. Superconductor
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Answer:
c) Transistor
Explanation:
transistor allows computers to become smaller,faster,economical,energy - efficient and more and transistors are second generation of computers ( 1956-1963 ). MOS field effect transistor are used to make RAM
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