Discussion
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- Question
Which bus is bidirectional?
Options- A. data bus
- B. control bus
- C. address bus
- D. multiplexed bus
- Correct Answer
- data bus
- 1. 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
- 2. How many buses are connected as part of the 8085 microprocessor?
Options- A. 2
- B. 3
- C. 5
- D. 8 Discuss
- 3. 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
- 4. 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. Discuss
- 5. Exceptions to the 8085 microprocessor normal operation are called:
Options- A. jump instructions
- B. decoding
- C. interrupts
- D. jump instructions or interrupts Discuss
- 6. 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
- 7. Kirchhoff's voltage law states that:
Options- A. the sum of the voltage drops in a series circuit is equal to the total applied voltage
- B. the algebraic sum of the resistances is equal to the sum of the voltages
- C. the algebraic sum of the individual currents around a closed loop is zero
- D. the voltages developed across each element in a series circuit are identical Discuss
- 8. A series circuit current:
Options- A. remains the same through each component
- B. is the same as the individual resistances
- C. is subtracted by each component
- D. varies through each component Discuss
- 9.
How much current flows in the circuit in the given circuit?
Options- A. 20 µA
- B. 60 µA
- C. 80 µA
- D. 140 µA Discuss
- 10. How will an open resistor affect a series circuit?
Options- A. Current will flow around the open resistor.
- B. The open resistor will drop 0 V.
- C. Total resistance will decrease.
- D. No current will flow in the circuit. Discuss
Computer Hardware and Software problems
Search Results
Correct Answer: a short abbreviation for the operation to be performed
Correct Answer: 3
Correct Answer: memory-mapped I/O
Correct Answer: Machine codes are in binary, mnemonic codes are in shorthand English.
Correct Answer: jump instructions or interrupts
Correct Answer: assembly language programs
Correct Answer: the sum of the voltage drops in a series circuit is equal to the total applied voltage
Correct Answer: remains the same through each component
Correct Answer: 20 µA
Correct Answer: No current will flow in the circuit.
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