COA- INTERCONNECTIONS STRUCTURE

1. By
Ms.V.VENNILA,MCA.,M.Phil.,
Assistant Professor,
Bon Secours College for Women
Thanjavur.

2.  A Computer consists of a set of
components(CPU , Memory , I/O Module)
that are communicate with each other.
 The collection of paths
connecting the various module is called
interconnection structure.
 The design of structure will
depend on the exchange that must be
made between modules
INTERCONNECTION STRUCTURE

3. MEMORY MODULE
• Memory module consists of
n words equal length is assigned as
unique numerical address
Memory N
words
0
.
.
.
n-1
READ
WRITE
ADDRESS
INTERNAL DATA
EXTERNALDATA
DATA

4. • It is internal part of a
computer that perform read and
write operation.
I/O
Module
M Ports
Read
Write
Address
Internal Data
ExternalData
Internal Data
External Data
Instruction Signal

5. • The processor read and write the
data by processing the instruction.
• After processing , it use control
signal to control overall computer system.
CPU
Instruction
Data
Interrupt
Signal
Address
Control Signal
Data

8. Bus interconnection is
important component of
computer: architecture. It is a
communication channel. It
connects various components of
computer to communicate with
each other.
BUS INTERCONNECTION