Graphics tablets are often used in conjunction with image editing software to create original images or to modify digital photographs. _________________________

58. A system has a memory access time of 50 ns and a cache access time of 2 ns. The instruction time is 4 ns (not counting memory access) and the average instruction requires 0.25 memory accesses. If the hit ratio is 0.90, what is the average instruction time?

What will be an ideal response?

The hardware components that serve the input, output, and storage functions of a computer are called _____.

a. central processing units b. control units c. peripheral devices