computer architecture

Computer Science
Price: $5 USD

Question description

The following table gives the type, cost per byte, and access time for the various types of memory available on a computer system:


Type of Memory
Access Time

(a) For a memory system with 256KB of cache SRAM, 128KB of main memory DRAM, and
1GB of virtual memory (implemented as hard disk), what is the total cost of the
memory system and the cost per byte?

(b) If the hit rate at each level in the memory hierarchy is 80%, what is the average
memory access time?

(c) What is the average memory access time if the hit rate at each level except the last
is 90%?

(d) How about if the hit rate is 99% at each level except the last?

Tutor Answer

(Top Tutor) Daniel C.
School: UCLA
Studypool has helped 1,244,100 students
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1826 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors