Q. In a vectored interrupt.
✅ Correct Answer: (B)
the interrupting source supplies the branch information to the processor through an interrupt vector.
Computer Organization and Architecture MCQs and Notes
Q. In a memory-mapped I/O system, which of the following will not be there?
✅ Correct Answer: (A)
LDA
Q. If memory access takes 20 ns with cache and 110 ns with out it, then the ratio ( cache uses a 10 ns memory) is
✅ Correct Answer: (B)
90%
Q. The addressing mode used in an instruction of the form ADD X Y, is
✅ Correct Answer: (C)
index
Q. Which of the following is lowest in memory hierarchy?
✅ Correct Answer: (B)
Secondary memory
Q. The idea of cache memory is based
✅ Correct Answer: (A)
on the property of locality of reference
Q. Which of the following is not a weighted code?
✅ Correct Answer: (B)
Excess 3-cod
Q. The average time required to reach a storage location in memory and obtain its contents is called the
✅ Correct Answer: (C)
access time
Q. (2FAOC) 16 is equivalent to
✅ Correct Answer: (B)
(001011111010 0000 1100) 2
Q. The circuit used to store one bit of data is known as
✅ Correct Answer: (D)
Flip Flop