HSC ICT Preparation 100% Common

 

Buy a guide and read text books to take HSC ICT preparation.

Practice MCQs creatively well from guide and original book you must read to know, also solve practice problems. Specially focus on Chapter 3, 4, 5. These chapters are very important for CQ and MCQ. 

 

 BANGLADESH AND GLOBAL PERSPECTIVE

 

v  GLOBAL VILLAGE: A global village is a social system where all the people of the world live together in a single society and communicate with each other through Information and Communication Technology (ICT), Electronic Media, Print Media etc.

Example : Internet, Mobile, TV, Radio, News Paper.

v  

   VILLAGE: If multiple families live together in a single society like a single family, it is called a village.

 

v  GLOBAL VILLAGE - Matters related to it:

1) Communication field

a. Email

b. Teleconferencing: Multiple People, Multiple Places A         way to talk together.

 

2) Video conferencing

3) In the field of action

4) Education field

5) Business is business

6) medical field

7) Entertainment and Social Communication

8) Cultural exchange etc.

 

→ VIRTUAL REALITY: With the help of technology, imaginary or unreal content can be presented in a realistic way is called VIRTUAL REALITY.

Example: 3-D movie, flight training in artificial environment etc.

 

→ ARTIFICIAL INTELLIGENCE (Artificial intelligence): Intelligence created by humans is called artificial intelligence. or called ARTIFICIAL INTELLIGENCE.

→ A1 is generally used in any type of machine (eg computer).

→ Robotics: The science that studies robots is called robotics.

→ Robot: A machine that can act like a human is called Robot.

 

→ Usage:

Usually risky jobs like 'Dynamite blasting' in mines, bomb disposal, Space in space

 

Robot is used more in station setting etc.

 

        → Main main parts of Robot:

1.       SENSOR.

2.       ACTUATOR

3.       NEURAL NETWORK (A1).

4.       MOTOR.

5.       POWER SUPPLY.

 

→ BIOMETRICS: The method of identifying any person in the world separately from all other people is called BIOMETRICS.

 

* BIOMETRICS - is called "Person Identification Method".

 

→_BIOMETRICS 2 types. Namely:

a) Physiological or physical structural system of man.

b) Finger print.

c) I Hand Geometry (Five Finger Prints of the Hand)

d) Value of the iris or retina of the eye.

e) DNA

f) Face Detection / Recognition