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- Question
The software used to drive microprocessor-based systems is called:
Options- A. assembly language
- B. firmware
- C. machine language code
- D. BASIC interpreter instructions
- Correct Answer
- assembly language
- 1. Which of the following are the three basic sections of a microprocessor unit?
Options- A. operand, register, and arithmetic/logic unit (ALU)
- B. control and timing, register, and arithmetic/logic unit (ALU)
- C. control and timing, register, and memory
- D. arithmetic/logic unit (ALU), memory, and input/output Discuss
- 2. Single-bit indicators that may be set or cleared to show the results of logical or arithmetic operations are the:
Options- A. flags
- B. registers
- C. monitors
- D. decisions Discuss
- 3. 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:
Options- A. stack pointer
- B. program counter
- C. instruction pointer
- D. accumulator Discuss
- 4. The circuits in the 8085A that provide the arithmetic and logic functions are called the:
Options- A. CPU
- B. ALU
- C. I/O
- D. none of the above Discuss
- 5. What type of circuit is used at the interface point of an input port?
Options- A. decoder
- B. latch
- C. tristate buffer
- D. none of the above Discuss
- 6. What kind of computer program is used to convert mnemonic code to machine code?
Options- A. debug
- B. assembler
- C. C++
- D. Fortran Discuss
- 7. When referring to instruction words, a mnemonic is:
Options- A. a short abbreviation for the operand address
- B. a short abbreviation for the operation to be performed
- C. a short abbreviation for the data word stored at the operand address
- D. shorthand for machine language Discuss
- 8. The 8085A is a(n):
Options- A. 16-bit parallel CPU
- B. 8-bit serial CPU
- C. 8-bit parallel CPU
- D. none of the above Discuss
- 9. Because microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ________.
Options- A. hexadecimal machine code
- B. binary machine code
- C. assembly language
- D. all of the above Discuss
- 10. What is the difference between a mnemonic code and machine code?
Options- A. There is no difference.
- B. Machine codes are in binary, mnemonic codes are in shorthand English.
- C. Machine codes are in shorthand English, mnemonic codes are in binary. Discuss
Microprocessor Fundamentals problems
Search Results
Correct Answer: control and timing, register, and arithmetic/logic unit (ALU)
Correct Answer: flags
Correct Answer: program counter
Correct Answer: ALU
Correct Answer: tristate buffer
Correct Answer: assembler
Correct Answer: a short abbreviation for the operation to be performed
Correct Answer: 8-bit parallel CPU
Correct Answer: binary machine code
Correct Answer: Machine codes are in binary, mnemonic codes are in shorthand English.
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