MIPS (Million Instructions per Second) MCQs

What does MIPS stand for in processor performance measurement?
a) Million Instructions per Second
b) Mega Instructions per Second
c) Multiple Instructions per Second
d) Maximum Instructions per Second
Answer: a) Million Instructions per Second

How is the performance of a CPU typically measured using MIPS?
a) By counting the number of million instructions executed per second
b) By measuring the clock speed
c) By evaluating the cycles per instruction (CPI)
d) By assessing the cache hit ratio
Answer: a) By counting the number of million instructions executed per second

Which of the following is a direct indicator of CPU performance in terms of instruction execution speed?
a) MIPS (Million Instructions per Second)
b) Clock Speed
c) CPI (Cycles per Instruction)
d) Bandwidth
Answer: a) MIPS (Million Instructions per Second)

What does a higher MIPS value indicate about a processor?
a) The processor can execute more million instructions per second, indicating higher performance
b) The processor has lower clock speed
c) The processor has higher latency
d) The processor has a larger cache size
Answer: a) The processor can execute more million instructions per second, indicating higher performance

How does increasing the clock speed affect MIPS?
a) It can potentially increase the MIPS value by allowing more instructions to be executed per second
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It reduces the efficiency of instruction processing
Answer: a) It can potentially increase the MIPS value by allowing more instructions to be executed per second

Which performance metric is typically used alongside MIPS to get a complete picture of a CPU’s performance?
a) CPI (Cycles per Instruction)
b) Clock Speed
c) Bandwidth
d) Cache Size
Answer: a) CPI (Cycles per Instruction)

What factor does not directly influence the MIPS performance metric?
a) Instruction complexity
b) Clock speed
c) CPI (Cycles per Instruction)
d) Disk throughput
Answer: d) Disk throughput

How can you improve MIPS value without changing the processor’s hardware?
a) By optimizing software to execute instructions more efficiently
b) By increasing the system’s memory
c) By improving disk speed
d) By enhancing network bandwidth
Answer: a) By optimizing software to execute instructions more efficiently

What is one limitation of using MIPS as a measure of processor performance?
a) It does not account for the efficiency of instruction execution, which is affected by CPI
b) It provides a complete measure of system performance
c) It directly correlates with system memory size
d) It measures the processor’s cache efficiency
Answer: a) It does not account for the efficiency of instruction execution, which is affected by CPI

How is MIPS related to the cycles per instruction (CPI) and clock speed?
a) MIPS is calculated by dividing the clock speed by CPI
b) MIPS is unrelated to CPI and clock speed
c) MIPS is calculated by multiplying clock speed and CPI
d) MIPS is measured directly from cache size
Answer: a) MIPS is calculated by dividing the clock speed by CPI

What does a low MIPS value suggest about a CPU’s performance?
a) The CPU executes fewer instructions per second, potentially indicating lower performance
b) The CPU has a high clock speed
c) The CPU has high cache efficiency
d) The CPU has a high number of cycles per instruction
Answer: a) The CPU executes fewer instructions per second, potentially indicating lower performance

Which of the following factors directly affects the MIPS performance metric?
a) The number of instructions executed per second
b) The amount of system RAM
c) The speed of the network connection
d) The disk throughput
Answer: a) The number of instructions executed per second

How can you increase the MIPS value of a processor?
a) By improving instruction execution efficiency or increasing clock speed
b) By decreasing system memory
c) By lowering clock speed
d) By increasing cache size
Answer: a) By improving instruction execution efficiency or increasing clock speed

What role does instruction set architecture play in MIPS measurement?
a) It defines the types of instructions that can be executed, affecting the MIPS value
b) It impacts the clock speed
c) It determines the amount of system memory
d) It has no effect on MIPS
Answer: a) It defines the types of instructions that can be executed, affecting the MIPS value

What is one advantage of using MIPS over other performance metrics?
a) MIPS provides a straightforward measure of instruction throughput
b) MIPS accounts for memory access times
c) MIPS measures the efficiency of cache performance
d) MIPS evaluates disk access speed
Answer: a) MIPS provides a straightforward measure of instruction throughput

Which of the following can negatively affect MIPS performance?
a) High cycles per instruction (CPI)
b) High clock speed
c) High cache hit ratio
d) High bandwidth
Answer: a) High cycles per instruction (CPI)

What is the primary focus of the MIPS metric in CPU performance?
a) Instruction throughput
b) Memory access time
c) Network latency
d) Disk speed
Answer: a) Instruction throughput

How does optimizing software impact MIPS performance?
a) It can increase the MIPS value by improving the efficiency of instruction execution
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It reduces instruction throughput
Answer: a) It can increase the MIPS value by improving the efficiency of instruction execution

How does a higher CPI affect the calculation of MIPS?
a) It reduces the MIPS value as more cycles are needed per instruction
b) It increases the MIPS value
c) It has no effect on MIPS
d) It improves instruction throughput
Answer: a) It reduces the MIPS value as more cycles are needed per instruction

Which of the following would result in an increase in MIPS?
a) Reducing the number of cycles per instruction (CPI)
b) Increasing the disk access time
c) Increasing network latency
d) Reducing clock speed
Answer: a) Reducing the number of cycles per instruction (CPI)

What is the impact of clock speed on MIPS if CPI remains constant?
a) An increase in clock speed leads to a higher MIPS value
b) An increase in clock speed results in a lower MIPS value
c) Clock speed has no impact on MIPS
d) Clock speed directly affects CPI, not MIPS
Answer: a) An increase in clock speed leads to a higher MIPS value

Which metric can provide additional insight into CPU performance alongside MIPS?
a) Instructions per Cycle (IPC)
b) Disk Speed
c) Network Throughput
d) System RAM Size
Answer: a) Instructions per Cycle (IPC)

What does a high MIPS value typically indicate about a CPU’s performance?
a) The CPU can execute more instructions per second, suggesting better performance
b) The CPU has a low clock speed
c) The CPU has high latency
d) The CPU has a high number of cycles per instruction
Answer: a) The CPU can execute more instructions per second, suggesting better performance

Which of the following scenarios would likely result in a lower MIPS value?
a) A processor with high cycles per instruction (CPI)
b) A processor with high clock speed
c) A processor with high cache hit ratio
d) A processor with low memory access time
Answer: a) A processor with high cycles per instruction (CPI)

How does improving instruction execution efficiency impact MIPS?
a) It increases the MIPS value by allowing more instructions to be executed per second
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It increases clock speed
Answer: a) It increases the MIPS value by allowing more instructions to be executed per second

What is the effect of increasing system memory on MIPS performance?
a) System memory size does not directly affect MIPS performance
b) Increasing memory size typically decreases MIPS value
c) Increasing memory size improves MIPS value
d) Memory size has a direct relationship with CPI
Answer: a) System memory size does not directly affect MIPS performance

Which of the following can be adjusted to optimize MIPS performance?
a) Improving instruction execution efficiency and increasing clock speed
b) Increasing system RAM
c) Improving network bandwidth
d) Enhancing disk throughput
Answer: a) Improving instruction execution efficiency and increasing clock speed

What does the term “Million Instructions per Second” measure in a processor?
a) The number of million instructions that can be executed in one second
b) The frequency of the CPU clock
c) The amount of data processed per second
d) The size of the CPU cache
Answer: a) The number of million instructions that can be executed in one second

How can the MIPS metric be misleading when evaluating overall CPU performance?
a) It does not consider the efficiency of instruction execution, which is affected by CPI
b) It provides a comprehensive measure of overall system performance
c) It accurately reflects cache performance
d) It includes memory access times
Answer: a) It does not consider the efficiency of instruction execution, which is affected by CPI

What is one advantage of using MIPS for CPU performance evaluation?
a) It offers a straightforward measure of instruction throughput
b) It measures memory access speed
c) It provides a detailed analysis of cache efficiency
d) It evaluates network performance
Answer: a) It offers a straightforward measure of instruction throughput

How does a high clock speed impact MIPS if CPI is low?
a) It significantly increases the MIPS value, improving performance
b) It has no impact on MIPS
c) It decreases the MIPS value
d) It results in lower instruction throughput
Answer: a) It significantly increases the MIPS value, improving performance

What role does CPI play in determining MIPS?
a) CPI is used to calculate MIPS by dividing clock speed by CPI
b) CPI directly determines the MIPS value
c) CPI is unrelated to MIPS
d) CPI affects only the cache performance
Answer: a) CPI is used to calculate MIPS by dividing clock speed by CPI

What effect does optimizing software to execute instructions more efficiently have on MIPS?
a) It increases MIPS by improving instruction execution efficiency
b) It decreases MIPS
c) It has no impact on MIPS
d) It reduces the clock speed
Answer: a) It increases MIPS by improving instruction execution efficiency

Which metric would you use to compare processors based on their ability to execute instructions quickly?
a) MIPS (Million Instructions per Second)
b) Disk Speed
c) Network Latency
d) System Memory Size
Answer: a) MIPS (Million Instructions per Second)

What is a primary use of the MIPS metric in processor evaluation?
a) To gauge the number of instructions a processor can handle per second
b) To measure disk access speed
c) To evaluate network performance
d) To assess system RAM efficiency
Answer: a) To gauge the number of instructions a processor can handle per second

How does improving the CPU’s instruction throughput affect the MIPS value?
a) It increases the MIPS value by allowing more instructions to be processed per second
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It decreases the CPU’s clock speed
Answer: a) It increases the MIPS value by allowing more instructions to be processed per second

What factor can lead to a lower MIPS value despite having a high clock speed?
a) High cycles per instruction (CPI)
b) High cache hit ratio
c) High network bandwidth
d) Low memory latency
Answer: a) High cycles per instruction (CPI)

What is a key limitation of using MIPS alone to evaluate CPU performance?
a) It does not account for the efficiency of instruction execution
b) It provides a complete measure of overall system performance
c) It directly measures memory access times
d) It reflects network speed
Answer: a) It does not account for the efficiency of instruction execution

Which performance metric is often used in conjunction with MIPS to provide a comprehensive view of CPU performance?
a) CPI (Cycles per Instruction)
b) Network Speed
c) Disk Throughput
d) Memory Size
Answer: a) CPI (Cycles per Instruction)

How does optimizing instruction set architecture affect MIPS performance?
a) It can improve MIPS performance by allowing more efficient execution of instructions
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It increases disk speed
Answer: a) It can improve MIPS performance by allowing more efficient execution of instructions

What impact does reducing the number of cycles per instruction (CPI) have on MIPS?
a) It increases MIPS by allowing more instructions to be executed per second
b) It decreases MIPS
c) It has no effect on MIPS
d) It reduces clock speed
Answer: a) It increases MIPS by allowing more instructions to be executed per second

What is the primary benefit of having a high MIPS value for a CPU?
a) It indicates that the CPU can process more instructions per second, suggesting better performance
b) It indicates a higher disk throughput
c) It suggests better network performance
d) It reflects improved memory access times
Answer: a) It indicates that the CPU can process more instructions per second, suggesting better performance

What does the term “MIPS” specifically measure in the context of CPU performance?
a) The number of million instructions a CPU can execute per second
b) The frequency of the CPU clock
c) The efficiency of memory access
d) The speed of disk operations
Answer: a) The number of million instructions a CPU can execute per second

How does the number of cycles per instruction (CPI) affect the MIPS value?
a) A higher CPI generally results in a lower MIPS value
b) A higher CPI increases the MIPS value
c) CPI does not affect MIPS
d) A higher CPI improves the MIPS value
Answer: a) A higher CPI generally results in a lower MIPS value

What is the impact of increasing clock speed on MIPS if CPI is constant?
a) It increases the MIPS value by allowing more instructions to be executed per second
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It reduces the efficiency of instruction execution
Answer: a) It increases the MIPS value by allowing more instructions to be executed per second

Which metric should be used alongside MIPS to better understand CPU performance?
a) CPI (Cycles per Instruction)
b) Disk Speed
c) Network Latency
d) System Memory Size
Answer: a) CPI (Cycles per Instruction)

What does an increase in the number of million instructions per second (MIPS) indicate about a CPU?
a) The CPU can handle more instructions per second, suggesting higher performance
b) The CPU has a slower clock speed
c) The CPU has lower efficiency in processing instructions
d) The CPU has higher memory access times
Answer: a) The CPU can handle more instructions per second, suggesting higher performance

How does software optimization influence MIPS performance?
a) It can enhance MIPS by improving the efficiency of instruction execution
b) It decreases the MIPS value
c) It has no impact on MIPS
d) It reduces the clock speed
Answer: a) It can enhance MIPS by improving the efficiency of instruction execution

Which of the following is an indirect factor affecting MIPS performance?
a) Instruction complexity
b) Disk speed
c) Network bandwidth
d) Memory size
Answer: a) Instruction complexity

What is the primary focus of the MIPS performance metric?
a) Instruction throughput per second
b) Memory access speed
c) Network performance
d) Disk throughput
Answer: a) Instruction throughput per second

What factor typically influences both MIPS and CPI?
a) Instruction execution efficiency
b) System memory size
c) Network bandwidth
d) Disk speed
Answer: a) Instruction execution efficiency

How does a lower CPI affect MIPS performance?
a) It increases the MIPS value by reducing the number of cycles needed per instruction
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It increases the clock speed
Answer: a) It increases the MIPS value by reducing the number of cycles needed per instruction

What is a significant limitation of relying solely on MIPS to evaluate CPU performance?
a) It does not measure the efficiency of instruction execution
b) It provides a complete assessment of system performance
c) It accurately reflects memory access times
d) It measures disk performance
Answer: a) It does not measure the efficiency of instruction execution

How does a high MIPS value impact overall system performance?
a) It generally indicates better instruction processing capability, contributing to higher performance
b) It suggests slower system performance
c) It has no impact on overall system performance
d) It indicates higher latency
Answer: a) It generally indicates better instruction processing capability, contributing to higher performance

What is the role of CPI in determining the MIPS value?
a) CPI is used to calculate MIPS by dividing the clock speed by the CPI value
b) CPI directly determines the MIPS value
c) CPI measures only cache efficiency
d) CPI affects network bandwidth
Answer: a) CPI is used to calculate MIPS by dividing the clock speed by the CPI value

Which factor can influence both MIPS and CPI?
a) The architecture of the CPU
b) The amount of system RAM
c) Disk speed
d) Network latency
Answer: a) The architecture of the CPU

How does improving instruction throughput affect the MIPS value?
a) It increases the MIPS value by allowing more instructions to be executed per second
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It reduces clock speed
Answer: a) It increases the MIPS value by allowing more instructions to be executed per second

What is a common method for increasing MIPS in a CPU?
a) Increasing clock speed or improving instruction execution efficiency
b) Decreasing system memory
c) Reducing disk throughput
d) Improving network speed
Answer: a) Increasing clock speed or improving instruction execution efficiency

Which of the following would be an indication of improved CPU performance in terms of MIPS?
a) A higher number of million instructions executed per second
b) Lower system memory
c) Decreased clock speed
d) Reduced disk speed
Answer: a) A higher number of million instructions executed per second

What does the term “Million Instructions per Second” measure?
a) The speed at which a CPU processes million instructions
b) The amount of system memory
c) The efficiency of network communication
d) The size of the CPU cache
Answer: a) The speed at which a CPU processes million instructions

How does software optimization affect MIPS?
a) It can increase MIPS by making instruction execution more efficient
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It reduces clock speed
Answer: a) It can increase MIPS by making instruction execution more efficient

What is the impact of a high CPI on the MIPS metric?
a) A high CPI results in a lower MIPS value
b) A high CPI increases the MIPS value
c) A high CPI has no effect on MIPS
d) A high CPI improves the clock speed
Answer: a) A high CPI results in a lower MIPS value

How does a higher clock speed affect MIPS performance, assuming CPI remains constant?
a) It increases the MIPS value by allowing more instructions to be executed per second
b) It decreases the MIPS value
c) It has no effect on MIPS
d) It reduces instruction throughput
Answer: a) It increases the MIPS value by allowing more instructions to be executed per second

Which performance metric is essential for a comprehensive evaluation of CPU performance, along with MIPS?
a) CPI (Cycles per Instruction)
b) Network Speed
c) Disk Throughput
d) System Memory Size
Answer: a) CPI (Cycles per Instruction)

MIPS (Million Instructions per Second) MCQs
By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 20, 2024

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