Top 50+ Solved Basics of Computer Architecture MCQ Questions Answer
Q. Which of the following register is used in the control unit of the CPU to indicate the next instruction which is to be executed ?
a. Accumulator
b. Index register
c. Instruction decoder
d. Program counter
Q. If a processor does not have any stack pointer register, then
a. It cannot have subroutine call instruction
b. It can have subroutine call instruction, but no nested subroutine
c. Nested subroutine calls are possible, but interrupts are not
d. All sequences of subroutine calls and also interrupts are
Q. The Sun micro systems processors usually follow architecture.
a. CISC
b. ISA
c. ULTRA SPARC
d. RISC
Q. The master indicates that the address is loaded onto the BUS, by activating signal.
a. MSYN
b. SSYN
c. WMFC
d. INTR
Q. In IBM’s S360/370 systems lines are used toselect the I/O devices.
a. SCAN in and out
b. Connect
c. Search
d. Peripheral
Q. The transmission on the asynchronous BUS is also called
a. Switch mode transmission
b. Variable transfer
c. Bulk transfer
d. Hand-Shake transmission
Q. The BUS that allows I/O, memory and Processor to coexist is
a. Attributed BUS
b. Processor BUS
c. Backplane BUS
d. External BUS
Q. The chip can be disabled or cut off from an external connection using
a. Chip select
b. LOCK
c. ACPT
d. RESET
Q. The less space consideration as lead to the development of (for large memories).
a. SIMM’s
b. DIMS’s
c. SRAM’s
d. Both SIMM’s and DIMS’s
Q. The reason for the implementation of the cache memory is
a. To increase the internal memory of the system
b. The difference in speeds of operation of the processor and memory
c. To reduce the memory access and cycle time
d. All of the mentioned
Q. The correspondence between the main memory blocks and those in the cache is given by
a. Hash function
b. Mapping function
c. Locale function
d. Assign function
Q. The approach where the memory contents are transferred directly to the processor from the memory is called
a. Read-later
b. Read-through
c. Early-start
d. None of the mentioned
Q. The algorithm to remove and place new contents into the cache is called
a. Replacement algorithm
b. Renewal algorithm
c. Updation
d. None of the mentioned
Q. Consider a memory organised into 8K rows, and that it takes 4 cycles to complete a read operation. Then the refresh overhead of the chip is
a. 0.0021
b. 0.0038
c. 0.0064
d. 0.0128