Memory

Question 1

What is the name of the semiconductor memory IC whose digital data can be written or read, and whose memory word address can be accessed randomly?

Answer 1

RAM - Random-Access Memory.

Question 2

What is the name of the semiconductor IC that has a fixed pattern of digital data stored in its memory matrix?

Answer 2

ROM - Read-Only Memory.

Question 3

What does the term “IO” mean within a microprocessor system?

Answer 3

Input-output.

Question 4

What is the name for a microprocessor’s sequence of commands and instructions?

Answer 4

Program

Question 5

How many individual memory cells would be contained in a memory IC that has 4 data bus input/output pins and 4 address pins for connection to the address bus?

Answer 5

64

Question 6

What is the name of the random-accessed semiconductor memory IC that must be refreshed periodically to maintain reliable data storage in its memory matrix?

Answer 6

DRAM - Dynamic Random-Access Memory.