digital-electronics-microprocessor-fundamentals Related Question Answers
2. The items that you can physically touch in a computer system are called:
3. Single-bit indicators that may be set or cleared to show the results of logical or arithmetic operations are the:
4. When referring to instruction words, a mnemonic is:
5. The technique of assigning a memory address to each I/O device in the computer system is called:
7. What type of circuit is used at the interface point of an output port?
8. I/O mapped systems identify their input/output devices by giving them a(n) ________.
9. What type of circuit is used at the interface point of an input port?
10. The register in the 8085A that is used to keep track of the memory address of the next op-code to be run in the program is the:
11. The control bus and memories share a bidirectional bus in a typical microprocessor system.
12. All computer programs for a machine are called:
13. The 8085A is a(n):
14. Because microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ________.
15. A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the:
16. What is the difference between a mnemonic code and machine code?
17. Which bus is a bidirectional bus?
18. Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?
19. What kind of computer program is used to convert mnemonic code to machine code?
20. Which of the following are the three basic sections of a microprocessor unit?
21. The stack is a data storage area in RAM used by certain microprocessor operations.
22. A microprocessor with the necessary support circuits will include at least two memory ICs: ROM or EPROM, and a RAM.
23. I/O-mapped systems identify their input and output devices by giving them an 8-bit port number.
25. Programs written for the 8080A must have slight modifications to run on the 8085A.
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