Computer Architecture and Virtual Machines Quiz

What is the primary purpose of a control unit in a CPU?

• To manage the power supply

• To increase the speed of the CPU

• To ensure machine instructions are handled correctly

• To store data permanently

Which of the following describes CISC architectures?

• They emphasize a rich set of complex instructions.

• They have a simple instruction set.

• They use fixed-length instructions.

• They require more clock cycles for execution.

What does RISC stand for?

• Reduced Instruction Set Computing

• Rapid Instruction Set Computing

• Random Instruction Set Computing

• Repetitive Instruction Set Computing

Which of the following is a characteristic of RISC processors?

• More complex instructions

• Fewer instructions

• Variable length instructions

• More addressing modes

What is pipelining in the context of CPU architecture?

• A way to reduce power consumption

• A method to increase memory size

• A process to store data in registers

• A technique to execute multiple instructions simultaneously

Which of the following is NOT a stage in the Fetch Decode Execute Cycle?

• Instruction Decode

• Instruction Fetch

• Operand Fetch

• Data Write

What is a key advantage of using virtual machines?

• They eliminate the need for software.

• They require less hardware.

• They allow running multiple operating systems on one machine.

• They improve the speed of the CPU.

What is the main disadvantage of virtual machines?

• They do not offer the same performance as physical systems.

• They require more physical hardware.

• They are too expensive to implement.

• They do not support multiple operating systems.

Which architecture allows for multiple instruction streams and multiple data streams?

• Single Instruction Multiple Data (SIMD)

• Multiple Instruction Multiple Data (MIMD)

• Multiple Instruction Single Data (MISD)

• Single Instruction Single Data (SISD)

What is the role of the microprogramming in a control unit?

• To store data permanently

• To execute instructions faster

• To store microinstructions for operation

• To handle machine-code instructions directly