2. পরিচিতি

3. Hardware Maintenance & Troubleshooting

4. A+ Core Hardware Motherboard Processor Ram BIOS and CMOS H.D.D. ( Hard Disk Drive) Floppy Drives Laptop Video card Monitor CD/DVD Drive Sound Printers Network Cables and Connectors Optional Device Speaker Plotter Pendrive Digital Camera Printer Joystick Etc......

5. Computer Configuration Motherboard Processor Ram H.D.D. ( Hard Disk Drive) Monitor CD/DVD Drive Keyboard Mouse Casing with Power Supply

6. সিস্টেম ইউনিট পোর্ট পার্ট স্লর্ট পার্ট

7. মাদারবোর্ড পরিচিতি PCI Slot CMOS Battery RAM AGP Card Heat Sing South Gate Micro Processor IDE Data CableCo-Processor

8. PS/2 Mouse Connector Play Station PS/2 Keyboard Connector USB Ports Serial Communication Port Parallel Port VGA Port Gigabit RJ-45 Ethernet Lan Port Microphone Jack Input Sound Audeo out jack Output jack Line in Jack tv carder jonno use

10. Dual CoreCore i3 Core i5 Core i7 Microprocessor পরিচিতি Pin less ProcessorPin Processor

11. RAM SDRAM (Synchoronus Dynamic Random Access Memory) DDR (Double Data Rate Random Access Memory) DDR2 (Double Data Rate 2 Random Access Memory) DDR3 (Double Data Rate 3 Random Access Memory) DDR4 (Double Data Rate 4 Random Access Memory) RAM

12. TV Card Network Card Modem Card USB IDE Hard Drive

13. 01. Data Sharing 02. Hardware Sharing 03. Security implementation 04. Policy implementation 05. Central Controlling Network System

14. Networking Data Sharing Hardware sharing Security Sharing Policy Sharing Central Sharing Networking Requirement LAN Card Cable Connector Crimping Tools Cable Transfer Switch LAN Card NIC=Network Interface Card Ethernet Card

15. Cableing 1.Fiber Optical 2.Coaxial Cable 3. Twisted Pair a. STP b. UTP Cat1 Cat2 Cat3 Cat4 Cat5 Cat5e Cat6 Cat6a

18. IP Address Class A = 1 - 126 Class B = 128 - 191 Class C = 192 - 223 Class D = 224 - 239 Class E = 240 - 255 Subnet Mask – 255.255.255.0 Class A = 255.0.0.0 Class B = 255.255.0.0 Class C = 255.255.255.0

19. Public IP - A public IP address is the address that is assigned to a computing device to allow direct access over the Internet. A web server, email server and any server device directly accessible from the Internet are candidate for a public IP address. A public IP address is globally unique, and can only be assigned to an unique device Private IP - A private IP address is the address space allocated by InterNIC to allow organizations to create their own private network. There are three IP blocks (1 class A, 1 class B and 1 class C) reserved for a private use.

20. Cabling System 01. Straight Cabling System 02. Crossover Cabling System 03. Rollover Cabling System Straight Cabling System SLSide ASLSide B 1Orange White1 2Orange2 3Green White3 4Blue4 5Blue White5 6Green6 7Brown White7 8Brown8 Rollover Cabling System Crossover Cabling System SLSide ASLSide B 1Orange White3Green White 2Orange6Green 3Green White1Orange White 4Blue4 5Blue White5 6Green2Orange 7Brown White7 8Brown8 SLSide ASLSide B 1Orange White8Brown 2Orange7Brown White 3Green White6Green 4Blue5Blue White 5 4Blue 6Green3Green White 7Brown White2Orange 8Brown1Orange White

21. Star Topology Bus Topology Mesh Topology Ring Topology Tree Topology Hybrid Topology Topology

22. IP – 192.168.1.1 SM- 255.255.255.0 IP – 192.168.1.2 SM- 255.255.255.0 IP – 192.168.1.3 SM- 255.255.255.0 IP – 192.168.1.4 SM- 255.255.255.0 IP – 192.168.1.5 SM- 255.255.255.0 IP – 192.168.1.6 SM- 255.255.255.0 IP – 192.168.1.7 SM- 255.255.255.0 IP – 192.168.1.8 SM- 255.255.255.0 IP – 192.168.1.9 SM- 255.255.255.0 IP – 192.168.1.10 SM- 255.255.255.0 ১০ টি কম্পিউটারকে নেটওয়ার্ক করে IP স্টাবলিশ করা