Lesson+1

=Lesson 1=

Read:about the [|history of computers.]
 * 1.1 History of Computers**
 * 1) When was the first computer created and for what purpose?
 * 2) When were large mainframe computers introduced?
 * 3) When did Tandy introduce the first home personal computer (PC)?
 * 4) When did IBM introduce the first home personal computer (PC)?

Read about computer [|hardware] Define on your wikispaces' Glossary Page: CPU, main memory, secondary storage devices, input devices, output devices Read about computer [|software] Define on your wikispaces' Glossary Page: 3 types of software: system, programming, application [|Computer Systems.ppt] Read about  [|binary representation, bit & bytes] also [|check out this link]
 * 1.2 Computer Hardware and Software**
 * 1.3 Binary Representation of Information and Computer Memory**


 * 1) One character = _ __byte(s)__
 * 2) __One byte =__ _ bits

[|Convert the following numbers and characters to binary:] and //RECORD THE CONVERSION for each://
 * a
 * A
 * b
 * B
 * 1
 * 1) 10
 * 2) 100
 * 3) 1.5

Read about[|how sound is converted into digital data (digitized)] Have a look at[|Digital Audio info - look at the diagrams]

Read about [|Computer Memory] Read about [|Computer Memory Addresses]
 * 1) Define non-volitile memory and give an example.
 * 2) Define volitile memory and give and example.
 * 3) How is data stored in computer memory?

Read about the[|5 generations of programming languages]
 * 1.4 Programming Languages**
 * 1) Briefly list the 5 generation sof programming languages.

[|Read and view the diagram on SDLC]
 * 1.5 The Software Development Process**
 * 1) List the 5 stages of software development.

[|Read about OOP]
 * 1.6 Basic Concepts of Object-Oriented Programming (OOP)**
 * 1) Object-oriented languages started to be developed in what decade?
 * 2) Name 3 object-oriented languages.