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Computer Science - Computer Fundamentals

Exercise : Computer Fundamentals - Section 13
21.
The data bus in 8080A/8085 microprocessor is a group of
eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory
sixteen bidirectional lines that are used for data transfer between the microprocessor and memory
eight unidirectional lines that are used for I/O devices
eight lines used to transfer data among the registers
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is
Manual control
Mapping
Shift register
ALU
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off?
Character map terminal
Bit map terminal
RS-232 C terminal
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which language has been selected as the basis for the Japanese "fifth generation" computers.
ALGOL
COBOL
PROLOG
C
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
A notation for defining the form and structure of data is known as
Data description language
Binary language
Data channel
Data definition language
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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