This section contains more frequently asked Microprocessors Basics Multiple Choice Questions and Answers in the various University Level and Competitive Examinations.
PRACTICE IT NOW TO SHARPEN YOUR CONCEPT AND KNOWLEDGE
1. When memory write or I/O read are active data is from the processor:
- Input
- Output
- Processor
- None of these
B. Output
2. CS stands for:
- Cable select
- Chip select
- Control select
- Cable system
B. Chip select
3. WE stands for
- Write enable
- Wrote enable
- Write envy
- None of these
A. Write enable
4. MAR stands for
- Memory address register
- Memory address recode
- Micro address register
- None of these
A. Memory address register
5. MDR stands for
- Memory data register
- Memory data recode
- Micro data register
- None of these
A. Memory data register
6. Which are the READ operation can in simple steps
- Address
- Data
- Control
- All of these
D. All of these
7. DMA stands for
- Direct memory access
- Direct memory allocation
- Data memory access
- Data memory allocation
A. Direct memory access
8. The ____ place the data from a register onto the data bus
- CPU
- ALU
- Both A and B
- None of these
A. CPU
9. The microcomputer system by using the ____device interface
- Input
- Output
- Both A and B
- None of these
C. Both A and B
10. The standard I/O is also called
- Isolated I/O
- Parallel I/O
- both a and b
- none of these
A. Isolated I/O
