Academic Session 2025-26
ODD Semester Jul-Dec 2025
UNIVERSITY INSTITUTE OF ENGINEERING
DEPARTMENT OF COMPUTER SCIENCE &
ENGINEERING
BACHELOR OF ENGINEERING
CSE/IT/ THIRD SEMESTER
COMPUTER ORGANIZATION & ARCHITECTURE
(24CST-201/24ITT-201)
Unit No. 3 Chapter No. 3.1 Lecture No. 3.1.1
Topic : Peripheral Devices, IO Interfaces, Asynchronous Data transfer
Er. Shikha Atwal (E11186) Assistant Professor
, Learning Objectives
1
1. To understand the types and roles of peripheral devices
in computer systems, including input, output, and
storage components.
2. To learn how I/O interfaces connect peripheral devices to
the system bus and facilitate communication with the
CPU.
3. To analyze the concept of asynchronous data transfer,
where data is exchanged without a shared clock, using
handshaking and control signals.
, Content
2
1. Peripheral Devices
2. Types of Peripherals
3. Importance of
Peripheral Devices
4. Input/Output Interface
5. I/O Data Transfer
6. Asynchronous Data
Transfer
ODD Semester Jul-Dec 2025
UNIVERSITY INSTITUTE OF ENGINEERING
DEPARTMENT OF COMPUTER SCIENCE &
ENGINEERING
BACHELOR OF ENGINEERING
CSE/IT/ THIRD SEMESTER
COMPUTER ORGANIZATION & ARCHITECTURE
(24CST-201/24ITT-201)
Unit No. 3 Chapter No. 3.1 Lecture No. 3.1.1
Topic : Peripheral Devices, IO Interfaces, Asynchronous Data transfer
Er. Shikha Atwal (E11186) Assistant Professor
, Learning Objectives
1
1. To understand the types and roles of peripheral devices
in computer systems, including input, output, and
storage components.
2. To learn how I/O interfaces connect peripheral devices to
the system bus and facilitate communication with the
CPU.
3. To analyze the concept of asynchronous data transfer,
where data is exchanged without a shared clock, using
handshaking and control signals.
, Content
2
1. Peripheral Devices
2. Types of Peripherals
3. Importance of
Peripheral Devices
4. Input/Output Interface
5. I/O Data Transfer
6. Asynchronous Data
Transfer
