Q. The addressing mode which makes use of in-direction pointers is ___
✅ Correct Answer: (A)
Indirect addressing mode
Computer Architecture MCQs and Notes
Q. In the case of, Zero-address instruction method the operands are stored in __
✅ Correct Answer: (C)
Push down stack
Q. The instruction, Add #45, R1 does _____
✅ Correct Answer: (B)
Adds 45 to the value of R1 and stores it in R1
Q. The method which offers higher speeds of I/O transfers is _________
✅ Correct Answer: (D)
DMA
Q. To overcome the lag in the operating speeds of the I/O device and the processor we use ______
✅ Correct Answer: (B)
Status flags
Q. The system is notified of a read or write operation by _________
✅ Correct Answer: (D)
Sending a special signal along the BUS
Q. The advantage of I/O mapped devices to memory mapped is _______
✅ Correct Answer: (C)
The devices have to deal with fewer address lines
Q. The usual implementation of the carry circuit involves ______
✅ Correct Answer: (B)
XOR
Q. In full adders the sum circuit is implemented using _______
✅ Correct Answer: (C)
XOR
Q. Which option is true regarding the carry in the ripple adders?
✅ Correct Answer: (B)
Must travel through the configuration