Scanning Input Devices, Laser Printer, Information Technology and Benefits, Memory, Memory Storage Units, Data Communication, Topology and Types, Email, Uses and Abuses of Email, Modes of Transmission, Modem, OSI Model, Buses and Types, Registers and Types, Block Diagram of a Digital Computer, Stack and Operations,Virus and Types, Web Browser and Types.
Impact and Non-Impact Printers, Synchronous and Asynchronous Transmission, ROM and RAM, Primary and Secondary Storage, Application and System Software, Compiler and Interpreter, Analog and Digital Signals
OMR, OCR, GLI, SVGA, CRT, BIOS, LAN, MAR, MICR, WAN, PC, IBM, MAN, IR, LCD, TCP / IP, SNA, LED, ISO, FTP, WWW, CPU
Printer and Types, Operating System and Objectives, Functions of Operating System, Programming Types of Programming Languages, OSI Model with Diagram, Secondary Memory and Secondary Storage Devices, Network Protocol and Types, Internet and Role of ISPs, Fetch Cycle with Diagram, Different Types of Threats and Protection. Type of viruses. Type of printers. Network topologies.