Apply Now
COMPUTER
Table of Contents
About the Tutorial .................................................................................................................................. i
Audience ................................................................................................................................................ i
Prerequisites .......................................................................................................................................... i
Copyright & Disclaimer ........................................................................................................................... i
Table of Contents .................................................................................................................................. ii
1. COMPUTER FUNDAMENTALS - OVERVIEW ........................................................................ 1
Functionalities of a Computer ............................................................................................................... 1
Advantages of Computers ..................................................................................................................... 1
Disadvantages of Computers ................................................................................................................. 3
2. COMPUTER FUNDAMENTALS - APPLICATIONS .................................................................. 4
3. COMPUTER FUNDAMENTALS - GENERATIONS .................................................................. 8
First Generation Computers .................................................................................................................. 8
Second Generation Computers ............................................................................................................ 10
Third Generation Computers ............................................................................................................... 11
Fourth Generation Computers ............................................................................................................. 12
Fifth Generation Computers ................................................................................................................ 13
4. COMPUTER FUNDAMENTALS - TYPES ............................................................................. 15
5. COMPUTER FUNDAMENTALS - COMPONENTS ................................................................ 18
6. COMPUTER FUNDAMENTALS - CENTRAL PROCESSING UNIT ........................................... 20
7. COMPUTER FUNDAMENTALS - INPUT DEVICES ............................................................... 22 iii
8. COMPUTER FUNDAMENTALS - OUTPUT DEVICES ........................................................... 29
Monitors.............................................................................................................................................. 29
Printers ................................................................................................................................................ 30
9. COMPUTER FUNDAMENTALS - MEMORY ........................................................................ 36
Cache Memory .................................................................................................................................... 36
Primary Memory (Main Memory) ........................................................................................................ 37
Secondary Memory ............................................................................................................................. 38
10. COMPUTER FUNDAMENTALS - RANDOM ACCESS MEMORY ........................................... 39
Static RAM (SRAM) .............................................................................................................................. 39
Dynamic RAM (DRAM) ........................................................................................................................ 40
11. COMPUTER FUNDAMENTALS - READ ONLY MEMORY ..................................................... 41
12. COMPUTER FUNDAMENTALS - MOTHERBOARD ............................................................. 43
13. COMPUTER FUNDAMENTALS - MEMORY UNITS ............................................................. 45
14. COMPUTER FUNDAMENTALS - PORTS ............................................................................ 46
15. COMPUTER FUNDAMENTALS - HARDWARE .................................................................... 49
16. COMPUTER FUNDAMENTALS - SOFTWARE ..................................................................... 51
System Software ................................................................................................................................. 51
Application Software ........................................................................................................................... 52
17. COMPUTER FUNDAMENTALS - NUMBER SYSTEM ........................................................... 53
Decimal Number System ..................................................................................................................... 53
Binary Number System ........................................................................................................................ 54
Octal Number System .......................................................................................................................... 54
Hexadecimal Number System .............................................................................................................. 55 iv
18. COMPUTER FUNDAMENTALS - NUMBER CONVERSION .................................................. 56
Decimal to Other Base System ............................................................................................................. 56
Other Base System to Decimal System ................................................................................................ 57
Other Base System to Non-Decimal System ......................................................................................... 58
Shortcut Method - Binary to Octal ...................................................................................................... 59
Shortcut method - Octal to Binary ...................................................................................................... 59
Shortcut Method - Binary to Hexadecimal .......................................................................................... 60
Shortcut Method - Hexadecimal to Binary .......................................................................................... 60
19. COMPUTER FUNDAMENTALS - DATA AND INFORMATION .............................................. 61
20. COMPUTER FUNDAMENTALS - NETWORKING ................................................................ 63
21. COMPUTER FUNDAMENTALS - OPERATING SYSTEM ....................................................... 67
22. COMPUTER FUNDAMENTALS - INTERNET AND INTRANET .............................................. 69
23. COMPUTER FUNDAMENTALS - HOW TO BUY A COMPUTER?.......................................... 71
24. COMPUTER FUNDAMENTALS - AVAILABLE COURSES ...................................................... 74