Class Notes (1,100,000)
CA (620,000)
U of C (8,000)
CPSC (100)
Lecture 3

CPSC 355 Lecture Notes - Lecture 3: Hard Disk Drive, Control Bus, Address Bus


Department
Computer Science
Course Code
CPSC 355
Professor
Leonard Manzara
Lecture
3

This preview shows page 1. to view the full 4 pages of the document.
September 16th
Bus
Is a set of parallel data/signal lines
Is used to transfer information between computer components
Often subdivided into address, data, and control busses:
Address bus:
Specifies a memory location in RAM
o Or sometimes a memory-mapped I/O device
Common sizes: 32 and 64 bits
Data bus:
Used for bidirectional data transfer
Common sizes: 32 and 64 bits
Control bus:
Used to control or monitor devices connected to the bus
o Eg: read/write signal for RAM
A epasio us a e oeted to the oputer’s loal us
CPU
Primary
Memory
Address Bus
Data Bus
Control Bus
find more resources at oneclass.com
find more resources at oneclass.com
You're Reading a Preview

Unlock to view full version