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Primary Storage and Memory Types

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Questions and Answers

What is the primary method of storing large amounts of data during the 1950s and 1960s?

Magnetic tape

What is the most widely used storage medium on all computers?

Magnetic disk

How does optical disk store data?

By using laser light to read or write data

What is the basic unit of storage on a magnetic disk?

Tracks and sectors Signup and view all the answers

What is the pit and land on an optical disk used to represent?

1 (pit) and 0 (land) Signup and view all the answers

What are the three types of primary memory?

Random Access Memory (RAM), Read Only Memory (ROM), Complementary Metal Oxide Semiconductor (CMOS) Signup and view all the answers

Which type of primary memory is volatile?

Random Access Memory (RAM) Signup and view all the answers

What is the main purpose of Read-only memory (ROM)?

ROM stores information permanently and contains special instructions used during computer startup. Signup and view all the answers

Why is Complementary Metal Oxide Semiconductor (CMOS) used in computers?

CMOS is used to store information when a computer shuts off. Signup and view all the answers

What is the main difference between primary and secondary storage devices?

Primary storage is the main memory used to store program instructions and data, while secondary storage is external and auxiliary. Signup and view all the answers