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Primary storage device such as semiconductor memory chips are called

A. Parallel
B. Sequential
C. direct access
D. binary access

Answer & Solution
Option: C
Explanation :Electronic semiconductor memory technology can be split into two main types or categories, according to the way in which the memory operates:
i) RAM (Random Access Memory):- Random Access Memory (RAM)is the best known form of computer memory. The Read and write (R/W) memory of a computer is called RAM. The RAM is a volatile memory, it means information written to it can be accessed as long as power is on. As soon as the power is off, it can not be accessed. It is called random because the computer can directly access any location in RAM (using its memory “address”), though we rarely have call to access memory randomly. Thus, Direct Access Memory would have been a better name.
ii) ROM (Read Only Memory):- Read only memory (ROM) is an example of nonvolatile memory. ROM is a class of storage medium used in computers and other electronic devices. Read Only Memory (ROM), also known as firmware, is an integrated circuit programmed with specific data when it is manufactured. The instructions for starting the computer are housed on Read only memory chip.
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