1. Unit 1.0 – Explore the concepts of computers and computing
Computer Science
Unit 1.0 – Explore the concepts of computers and computing

2. Objective & Essential Questions
Objective Explore the concepts of computers and computing.
Essential Questions:
What is a computer and what are they used for?
How have computers evolved over time?

3. What is a computer and what are they used for?
A computer is  an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.

4. Computer are used in Business Education Banks Entertainment Home
Medical

5. Computers impact our lives
Business
Computers have been of tremendous advantage to businesses and how the businesses are conducted in their respective sectors

6. Computers impact our lives
Education
In the academic world, teaching and learning has shifted from the manual and exhausting modes of learning to the computerized versions.
Unlike traditional methods of teaching today lecturers  and teachers are using power point presentations to teach. They save the slides on their computers then project them on screens .
This is a more efficient mode of teaching as it allows for bigger audiences. Another great advantage is for students who are now using online learning facilities to learn about new stuff as well as research.

7. Computers impact our lives
Medical
In the medical industry emerging technologies and computer developments have been of significant advantage. The life support systems all run using computers.

8. Computers impact our lives
Banks
Computers are widely used in banks. They are used in banks for record keeping and maintaining accounts of customers.
Most of the banks provide the facility of ATMs. The customers can draw money through ATM card from any branch of that bank (or another bank) at any time of a day.

9. Computers impact our lives
Entertainment
Computers are also playing very important role for the entertainment of human beings.
Nowadays, computer can be used to watch television programs on the Internet.
People can also watch movies, listen music, and play games on the computer.
Many computer games and other entertainment materials of different kinds are available on the Internet

10. Computers impact our lives
Home
At home, computer is used to maintain personal records and to access much other information on the Internet. People can also use computer at home for making home budgets etc.

11. How have computers evolved over time?
1st Generation Computers
The 1st generation of computers was from 1940 to Computers were powered by vacuum tubes and used magnetic drums to store data and memory.

12. How have computers evolved over time?
2nd Generation Computers
Then in 1956, the second generation of computers hit. The vacuum tubes were no longer the best thing for running a computer, the latest component to replace the vacuum tubes is a transistor.

13. How have computers evolved over time?
3rd Generation Computers
The era of transistors was short lived because in 1964, integrated circuits became the next great thing in developing semiconductor technology.

14. How have computers evolved over time?
4th Generation Computers
The 4th generation is still the present generation of computers. When microprocessors were invented in 1971, the era of mass usage of computers began!