coa quiz 4

The status bit is also called as -

• Unsigned bit

• 2. Signed bit

• 2. Flag bit

Which of the following is performed by half adder?

• 1. Binary addition operation for 2 decimal inputs

• 1. Binary addition operation for 2 binary inputs

• Decimal addition operation for 2 decimal inputs

• Binary addition operation for 2 binary inputs

Which of the following is a combinational logic circuit that has 2ⁿ input lines and a single output line?

• Multiplexer

• Demultiplexer

• Encoder

• Decoder

The number successful accesses to memory stated as a fraction is called as _____

• a) Access rate

• b) Success rate

• c) Hit rate

• d) Miss rate

______ have been developed specifically for pipelined systems.

• a) Utility software

• b) Speed up utilities

• c) Optimizing compilers

• d) None of the mentioned

Each stage in pipelining should be completed within ___________ cycle.

• a) 1

• b) 2

• c) 3

• d) 4

A pipelined processor has 5 stages. How many clock cycles are needed to complete the execution of 100 instructions?

• A. 95

• B. 96

• C. 100

• D. 104

A pipelined processor has 4 stages and is executing 20 instructions. Calculate the total number of clock cycles needed for execution.

• A. 17

• B. 18

• C. 19

• D. 20

The fastest data access is provided using _______

• a) Caches

• b) DRAM’s

• c) SRAM’s

• d) Registers

The fetch and execution cycles are interleaved with the help of ________

• a) Modification in processor architecture

• b) Clock

• c) Special unit

• d) Control unit