Real microprocessors operate in time slots of a given duration (i.e., an integer multiple of the clock period). For example, if the clock has a speed of 100 MHz, the clock cycle time is 10 ns and all operations must take an integer number of 10 ns units. The following data gives the clock cycle time of a processor, tcyc, and the access time of the main memory tm (including all overheads such as address decoding). In each case, calculate the actual time required to access the memory.


The effective memory time is the next integer number equal to or higher than the memory access time. In case (d)

the memory access time is 105 ns and it just misses two cycles. It’s necessary to wait another 45 ns to bring the

time to 150 ns in three clock cycles.



Computer Science & Information Technology

You might also like to view...

Which of the following is an example of a Level 1 incident?

A. Inappropriate access to legally protected or proprietary information B. Malware detected on multiple systems C. User access to content or sites restricted by policy D. Denial-of-service attack

Computer Science & Information Technology

To execute the same statement or command block for all the properties within a custom object, you can use the ____ statement.

A. for/each B. while/in C. for/in D. loop/in

Computer Science & Information Technology

The __________ event handler is invoked when a mouse button is pressed.

a) mouseDown b) mouseClick c) mousePressed d) mouseButtonDown

Computer Science & Information Technology

Laptop computers with flash memory card slots can use any type of SD memory

Indicate whether the statement is true or false

Computer Science & Information Technology