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Question Detail
Which among following is an important data transfer technique ?
- CAD
- CAM
- DMA
- MMA
Answer: Option C
Explanation:
DMA is Direct Memory Access.
1. What is meaning of PCB ?
- Process control block
- Preempitive control block
- Process close block
- Process carrying block
Answer: Option A
2. One byte equals to how many bits ?
- 4 bits
- 8 bits
- 12 bits
- 16 bits
Answer: Option B
3. The operating mode of I/O devices is __ for different devices ?
- Same
- Different
- Optimum
- Medium
Answer: Option B
4. Instruction that are used for reading from memory by an IOP called ?
- Commands
- Pulses
- Blocks
- Interrupt
Answer: Option A
5. Which technique is used that identifies the highest priority resource by means of software ?
- Daisy chaining
- Polling
- Priority
- Chaining
Answer: Option B
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