1.1 / 1.2 / 1.3 | GCSE OCR Computer Science J276

Front

What does CPU stand for?

Back

Central Processing Unit

Front

Bob has a 1GHZ dual core CPU, Amy has a 2GHZ single core CPU. Which can process more instructions per second?

Back

Equal

Front

Which of the following adjustments to an internal component could improve the performance of a CPU?
Options: Add more cores, Decrease the cache, Get a bigger motherboard, Remove the OS

Back

Add more cores

Front

What happens if you increase the clock speed?

Back

CPU can process instructions quicker

Front

What happens if you increase the number of cores?

Back

CPU can process more instructions at the same time.

Front

Which of these is an embedded system (firmware): Computer, Mobile Phone, Pizza, Microwave?

Back

Microwave

Front

Barry has a 1GHZ dual core CPU. He improves it to a 4GHZ quad core CPU. What is the effect on the performance of his computer?

Back

The number of instructions executed per second improves by 8 times.

Front

Which of the following has the largest memory? RAM, Cache

Back

RAM

Front

Which of the following is the fastest memory? RAM, Cache

Back

Cache

Front

Where are the results of calculations stored?

Back

Accumulator