BCA. Part I Semester I
COMPUTER FUNDAMENTALS
UNIT - I: Basic Components of Digital Computers:
Block Diagram. CPU: Functions of Each Unit: Primary Memory, ALU, and CU,
Instruction format. Bus: Data, Control, and Address Bus Number Systems: Binary,
Octal, Decimal, HexaDecimal, Their Conversions, Binary Arithmetic. ASCII, BCD,
EBCDIC. Language Evolution: Generation of Languages: Machine, Assembly, High-Level Languages. Characteristics of Good Language Translators: Compiler,
Interpreter, and Assembler. Source and Object Program.
UNIT - II : Memory: Static & dynamic, RAM, ROM,
PROM, EPROM, EEPROM, flash, and Cache. Storage Devices: Hard Disk, Zip Disk, and
Optical Disk. Pen Drive, Blue Ray
UNIT - III: Input Devices: Keyboard, Mouse, Light
Pen, Touch Screen, Voice Input, MICR, OCR, OMR, Barcode Reader, and Flatbed
Scanner. Output Devices: VDU, Printers: Dot Matrix, Laser, and Inkjet. Plotters:
Drum, Flat-Bed, and Inkjet.
UNIT - IV : Network: Network terminology, Topologies: Linear, Circular, Tree, and Mesh. Types of Networks: LAN, WAN, MAN. Repeaters,
Bridge, Routers, Brouters, and Gateway. Modem for Communication between PCs,
wi-fi networks, Introduction of Bluetooth and Infrared devices. Network
protocols. Architecture: Peer-to-Peer, Client/Server.
Computer Fundamentals Notes