COA QUIZ

Which of the following is NOT one of Flynn's classifications for computer systems?

• Single instruction stream, single data stream (SISD)

• Single instruction stream, multiple data stream (SIMD)

• Multiple instruction stream, single data stream (MISD)

• Dual instruction stream, dual data stream (DID)

Which type of hazard occurs when multiple instructions desire the same hardware resource simultaneously?

• A) Data Hazards

• B) Control Hazards

• C) Structural Hazards

• D) Pipeline Hazards

When does a RAW (Read After Write) hazard occur?

• A) During instruction fetch

• B) During instruction decode

• C) During instruction execution

• D) During memory access

Which hazard occurs due to the pipelining of branches and instructions that change the program counter (PC)?

• A) Data Hazards

• B) Structural Hazards

• C) Pipeline Hazards

• D) Control Hazards

Which type of hazard occurs when the execution of one instruction depends on the completion of another?

• A) Control Hazards

• B) Data Hazards

• C) Structural Hazards

• D) Pipeline Hazards

How is the behavior of a pipeline often illustrated?

• A) With a performance curve

• B) With a space-time diagram

• C) With a throughput graph

• D) With a latency chart

In memory-mapped I/O ____________

• A) The I/O devices and the memory share the same address space

• B) The I/O devices have a separate address space

• C) The memory and I/O devices have an associated address space

• D) A part of the memory is specifically set aside for the I/O operation

The system is notified of a read or write operation by ___________

• A) Appending an extra bit of the address

• B) Enabling the read or write bits of the devices

• C) Raising an appropriate interrupt signal

• D) Sending a special signal along the BUS

To overcome the lag in the operating speeds of the I/O device and the processor we use ___________

• A) Buffer spaces

• B) Status flags

• C) Interrupt signals

• D) Exceptions

What is the primary benefit of using SIMD operations?

• A) Decreased computational speed

• B) Increased data manipulation capabilities

• C) Increased throughput

• D) Decreased instruction complexity