Flashcards

CPU

Anna King English 12 cards

Cards in this deck (12)

1What are the 3 steps in the cycle?Fetch, Decode, Execute
2What is Clock Speed measured in?Hertz (Hz)
3What are the 4 places data is fetched from, in order of fastest to slowest?Cache, RAM, Hard Drive, Optical Drive
4How many cycles can a single core CPU carry out at a time?1
5A CPU with multiple cores will complete more cycles than a single core CPU. True or False?True
A core can only complete 1 cycle at a time so more cores can complete more cycles.
6A CPU with a clock speed of 10GHz will be faster than a CPU with 100GHz. True or False?False
A higher clock speed is faster.
7What does the accumulator do?Stores the results of calculations made by the ALU.
8What does MAR stand for and what does it do?Memory Address Register
Stores the location of data to be fetched.
9What does MDR stand for and what does it to?Memory Data Register
Stores data that has been fetched.
10What does PC stand for and what does it do? Hint: Not personal computer :)Program Counter
Stores the location of the next instruction.
11What does the ALU do?It does all of the calculations.
12What does the control unit do?Decodes the data