Computer Architecture and Organization Quiz

What does CISC stand for?

• Complex Instruction Set Computer

• Central Information System Computer

• Computer Information System Control

• Complex Integrated System Control

What is the main strategy behind CISC architecture?

• To have a small set of instructions

• To perform multiple fetch cycles simultaneously

• To have a large set of instructions, including complex ones

• To simulate complex instructions using a subset of simple instructions

What is the main strategy behind RISC architecture?

• To have a small set of instructions that do a minimum number of simple operations

• To perform multiple fetch cycles simultaneously

• To have a large set of instructions, including complex ones

• To simulate complex instructions using a subset of simple instructions

What is the purpose of pipelining in computer architecture?

• To increase the number of complex instructions

• To decrease the number of simple operations

• To reduce the complexity of the instruction set

• To improve the throughput by allowing different phases of instructions to be done simultaneously

What is the main idea behind parallel processing in computer architecture?

• To have a large set of instructions, including complex ones

• To have a small set of instructions that do a minimum number of simple operations

• To have a single computer with multiple control units, multiple arithmetic logic units, and multiple memory units

• To have a single control unit, a single arithmetic logic unit, and a single memory unit

What is the purpose of microprogramming in CISC architecture?

• To increase the access to micromemory

• To execute instructions directly by the CPU

• To reduce the complexity of the CPU circuitry

• To transform complex instructions into a set of simple operations

What is the drawback of programming in RISC architecture?

• It requires a large set of instructions

• It is more difficult and time-consuming

• It uses microoperations for programming

• It has a complex control unit

What is the main problem encountered in pipelining when a jump instruction is encountered?

• The instruction in the pipe should be discarded

• The CPU cannot perform multiple fetch cycles simultaneously

• The micromemory becomes inaccessible

• The throughput is decreased

What is the purpose of the taxonomy proposed by M. J. Flynn in parallel processing?

• To decrease the number of arithmetic logic units

• To simulate complex instructions using a subset of simple instructions

• To increase the complexity of the computer's organization

• To divide the computer's organization into four categories

Which CPU design has overcome most drawbacks of pipelining?

• Pentium series of processors developed by Intel

• AMD Ryzen series of processors

• ARM Cortex series of processors

• Apple M1 series of processors