Discussion
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- Question
What is the difference between mnemonic codes and machine codes?
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.
- D. Machine codes are in shorthand English, mnemonic codes are a high-level language.
- Correct Answer
- Machine codes are in binary, mnemonic codes are in shorthand English.
- 1. Exceptions to the 8085 microprocessor normal operation are called:
Options- A. jump instructions
- B. decoding
- C. interrupts
- D. jump instructions or interrupts Discuss
- 2. Which of the following is not a computer bus?
Options- A. data bus
- B. timer bus
- C. control bus
- D. address bus Discuss
- 3. Which of the following is not a basic element within the microprocessor?
Options- A. microcontroller
- B. arithmetic-logic unit (ALU)
- C. temporary register
- D. accumulator Discuss
- 4. A port can be:
Options- A. strictly for input
- B. strictly for output
- C. bidirectional
- D. all the above Discuss
- 5. A microprocessor unit, a memory unit, and an input/output unit form a:
Options- A. CPU
- B. compiler
- C. microcomputer
- D. ALU Discuss
- 6. The technique of assigning a memory address to each I/O device in the SAM system is called:
Options- A. wired I/O
- B. I/O mapping
- C. dedicated I/O
- D. memory-mapped I/O Discuss
- 7. How many buses are connected as part of the 8085 microprocessor?
Options- A. 2
- B. 3
- C. 5
- D. 8 Discuss
- 8. 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
- 9. Which bus is bidirectional?
Options- A. data bus
- B. control bus
- C. address bus
- D. multiplexed bus Discuss
- 10. The software used to drive microprocessor-based systems is called:
Options- A. assembly language programs
- B. firmware
- C. BASIC interpreter instructions
- D. flowchart instructions Discuss
Computer Hardware and Software problems
Search Results
Correct Answer: jump instructions or interrupts
Correct Answer: timer bus
Correct Answer: microcontroller
Correct Answer: bidirectional
Correct Answer: microcomputer
Correct Answer: memory-mapped I/O
Correct Answer: 3
Correct Answer: a short abbreviation for the operation to be performed
Correct Answer: data bus
Correct Answer: assembly language programs
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