This document provides an introduction to information and communication technology (ICT) and basic computer skills. It defines a computer as an electronic device that can process data and provide outputs. The document outlines the basic functions, features, components, and applications of computers. It describes how computers are used in various sectors including schools, banking, hospitals, factories, and agriculture. Examples are given for how computers are used for tasks like office work, learning, banking services, medical devices, robotic technology, meteorology, irrigation, and crop management.

1. Introduction to ICT and Basic Computer Skills
ABZ Private School

2. Lesson Objective
To introduce the course ICT and Basic computer skills.
Aim
I know what is the meaning of ICT.
I learned how the computer works.
ABZ Private School

3. *electronical multipurpose data processing unit.
*Any device which can accept data or information
and put them into a series of process and gives the
desired output.

4. FUNCTIONS OF COMPUTER
• Basic functions of a computer are entering data , processing them and
retrieving processed data (information) .

6. FEATURES OF COMPUTER
• Speed and efficiency – can finish any given task within a short period of
time
• Accuracy – can provide correct information
• Reliability – you can rely on the process of output
• Consistency – produces consistent output when the same input is given
• Storage capacity – can store large amount of data
• Cost – initial cost is high
• Intelligence – can act according to the given instructions

7. DEVICE EMBEDDED WITH COMPUTER
SYSTEM
• Equipments like washing machines , mobile phones , modern motor vehicles
and modern televisions are operated by computer programme . computer
programs included in such equipment are known as DEVICESWITH
EMBEDED COMPUTER SYSTEMS.

8. COMPONENTS OF A COMPUTER

9. COMPUTER SYSTEM
• All the essential parts which required to function a computer.
1. Hardware
2. Software
3. Firmware
4. Live ware

10. HARDWARE
• Tangible or physical components of a computer system.
1. Input hardware
2. Output hardware
3. Processing hardware
4. Storage hardware
5. Communicationhardware

11. INPUT HARDWARE
• A set machines which put data in to the computer memory.
• use -To give data to the computer
• E.g.:

12. OUTPUT DEVICES
• The devices which are used to retrieve data and information are called
output devices
e.g. :

13. Output devices
Output
devices
Hard
copy
Soft
copy

14. CENTRAL PROCESSING UNIT (CPU)
• Main component of a computer system .
• It is also called as the brain of the computer.
• It functions according to the given commands .
• CPU manages the operating system and application software.

15. COMPUTER SYSTEM
Computer
memory
RAM
ROM
Main
memory
Secondary
memory

16. RAM
• called as RandomAccess Memory.
• The device which is used to store data, information and instructions
temporarily is identified as the main memory or the primary memory.

17. STORAGE DEVICES
• The devices which are used to store data , information and instructions are
called storage devices.

18. Communication devices
• The devices which are used to exchange the processed data / information
are called communication devices.
e.g. :

19. Software
• A software is a set of programmes designed to execute certain tasks by
using a computer.
e.g. :
1. MS word word processing software – to prepare documents
2. Computer games
3. Video editing software
4. Painting software - to draw pictures
5. Media player - to listen songs and watch videos

20. Application of computers in various sectors

21. Schools
1.Working in the school office using computer.
computers simplify work and bring effectiveness to office work in the
school system.
2. Computer enabled learning situation
computers are used instead of blackboard and books in the learning
process.
3.Getting knowledge from the internet
obtain knowledge related to the subject .

22. Banking
1. AnATM machine
2. Paying bills by electronic cards
3. Internet banking

23. HOSPITALS
1.Digital thermometer
2.Use of computers and computer embedded devices in Intensive CareUnit .
3.Use of computers and computer embedded devices in an operation theatre.
ECG(electrocardiogram machine ) – Monitor the heart beat
EEG(electro-encephalography) - used to record the activities of the brain

24. factories
1. Use of robotic technology

25. agriculture
s
1. Meteorological devices
2. Automated insect control devices
3. Drip irrigation
4. Field conditions measuring device
5. Automatic weed remover
6. Green house
7. Seedling planter using robotics
8. Crop harvesting using robots

26. • Meteorological devices
• Helpful in assessing the weather, climatic changes, rainfall, wind direction
• Useful in deciding deciding on the crop cultivation and harvesting times.
• Automated insect control
• Green house

28. UNIT 01 FINISHED