Digital Electronics - Computers

Exercise :: Computers - Filling the Blanks

1. 

The AND, OR, and TEST instructions are all part of which type of instruction?

A. Data transfer
B. Arithmetic
C. Bit manipulation
D. Loops and jumps

Answer: Option C

Explanation:

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2. 

A mini-program that can be used repeatedly, but is programmed only once is called a(n) ________.

A. string
B. subroutine
C. interrupt
D. processor control

Answer: Option B

Explanation:

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3. 

Contiguous sequences of bytes or words are called ________.

A. data transfer
B. arithmetic
C. loops and jumps
D. strings

Answer: Option D

Explanation:

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4. 

An interrupt method that requires the CPU to test each peripheral device in sequence is called ________.

A. vectored I/O
B. polled I/O
C. programmed interrupt
D. interrupt-driven I/O

Answer: Option B

Explanation:

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5. 

An example of a unidirectional bus in a microcomputer system is the ________.

A. address bus
B. data bus
C. control bus
D. all of the above

Answer: Option A

Explanation:

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