Discussion
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- Question
The circuits in the 8085 that provide the arithmetic and logic functions are called the __________.
Options- A. CPU
- B. ALU
- C. I/O
- D. bus decoder
- Correct Answer
- ALU
- 1. The __________ program is used to convert mnemonic code to machine code.
Options- A. debug
- B. C++
- C. fortran
- D. assembler Discuss
- 2. The first part of a machine language instruction that specifies the operation to be performed is called a(n) __________.
Options- A. mnemonic
- B. opcode
- C. interrupt
- D. instruction cycle Discuss
- 3. Since microprocessor CPUs do not understand mnemonics as they are, they have to be converted into __________.
Options- A. hexadecimal machine code
- B. high-level language
- C. assembly language
- D. hexadecimal machine code and assembly language Discuss
- 4. A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the _________.
Options- A. stack pointer
- B. program counter
- C. instruction pointer
- D. accumulator Discuss
- 5. The register in the 8085 microprocessor that is used to keep track of the memory address of the next opcode to be run in the program is the ________.
Options- A. stack pointer
- B. program counter
- C. instruction pointer
- D. accumulator Discuss
- 6. A(n) ________________ is the time it takes a microprocessor to fetch and execute a complete instruction.
Options- A. instruction cycle
- B. machine cycle
- C. timing cycle
- D. write cycle Discuss
- 7. All computer programs for a machine are called ________.
Options- A. software
- B. firmware
- C. hardware
- D. none of the above Discuss
- 8. A program that contains nothing but strings of zeros and ones is called a(n) ________.
Options- A. machine language program
- B. assembly language program
- C. interpreted program
- D. binary language program Discuss
- 9. The ________ is the "brains" of every microcomputer.
Options- A. ROM
- B. ALU
- C. CPU
- D. MPU Discuss
- 10. These components are in series.
Options- A. True
- B. False Discuss
Computer Hardware and Software problems
Search Results
Correct Answer: assembler
Correct Answer: opcode
Correct Answer: hexadecimal machine code
Correct Answer: accumulator
Correct Answer: program counter
Correct Answer: instruction cycle
Correct Answer: software
Correct Answer: machine language program
Correct Answer: CPU
Correct Answer: True
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