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What is the primary function of a cache memory?
A. To store frequently accessed data to speed up processing
B. To increase the size of the hard drive
C. To manage input/output operations
D. To store the operating system
Answer: To store frequently accessed data to speed up processing
What does ‘superscalar architecture’ involve?
A. Allowing multiple instructions to be executed simultaneously by using multiple execution units
B. Increasing the clock speed of the CPU
C. Managing multiple CPU cores
D. Optimizing memory access
Answer: Allowing multiple instructions to be executed simultaneously by using multiple execution units
What is ‘multi-core processing’?
A. Using multiple cores within a single CPU to perform parallel processing
B. Increasing the clock speed of individual cores
C. Sharing cache memory among different cores
D. Dividing tasks between multiple CPUs
Answer: Using multiple cores within a single CPU to perform parallel processing
What is ‘data forwarding’?
A. Passing data directly between pipeline stages to avoid stalls
B. Caching data for later use
C. Managing instruction dependencies
D. Handling branch instructions
Answer: Passing data directly between pipeline stages to avoid stalls
What does ‘cache associativity’ refer to?
A. The way cache lines are mapped to cache sets
B. The process of associating multiple caches
C. The technique of linking cache with specific memory addresses
D. The method of associating cache with different processors
Answer: The way cache lines are mapped to cache sets
What does ‘branch prediction’ aim to do?
A. Guess the outcome of a conditional branch instruction before it is executed
B. Predict the next instruction to be fetched
C. Manage instruction pipelines
D. Handle cache misses
Answer: Guess the outcome of a conditional branch instruction before it is executed
What is ‘dynamic frequency scaling’?
A. Adjusting the CPU's clock speed based on workload to reduce power consumption
B. Increasing the system bus speed
C. Optimizing memory access speed
D. Managing cache size dynamically
Answer: Adjusting the CPU's clock speed based on workload to reduce power consumption
What is ‘superscalar architecture’?
A. An architecture that allows multiple instructions to be executed simultaneously by using multiple execution units
B. An architecture that increases the clock speed of the CPU
C. An architecture that manages multiple CPU cores
D. An architecture that optimizes memory access
Answer: An architecture that allows multiple instructions to be executed simultaneously by using multiple execution units
What does ‘processor pipelining’ involve?
A. Breaking down instructions into smaller stages for simultaneous processing
B. Increasing the clock speed of the CPU
C. Expanding the size of the CPU cache
D. Dividing the CPU into multiple cores
Answer: Breaking down instructions into smaller stages for simultaneous processing