Fundamental of computer (DCA-101)
UNIT - I
Introduction to Computers
Know the Computer - Introduction, Characteristics of Computers, a Block diagram of a computer. Types of computers and features, Mini Computers, Micro Computers, Mainframe Computers, Super Computers., Generations of Computers.
Personal Computer - Introduction to Personal Computer, Uses of personal computers, Components of personal computers, Evolution of PCs, Architecture of Pentium IV.
Number System - Introduction, Binary Number System, Decimal Number System, Octal Number System, Hexadecimal Number System.
UNIT - II
Computer Memory
Input Devices/Output Devices -
Introduction to Input Device, Types of Input Devices,
Introduction to Output Device, Types of Output Devices,
Printers, Types of Printers, Impact Printer, Non-Impact Printer.
Central Processing Unit - Introduction, what is Central Processing Unit, Arithmetic and Logic Unit, Control Unit, Registers
Storage Devices - Introduction, Storage and its needs, Brain Vs Memory, Primary Storage, Secondary Storage, Hard Disk Operations, Floppy Disk Drives, Winchester Disk, Optical Disk, VCD, CD-R, CD-RW, DVD, Zip Drive, Flash
Drives, Blue Ray Disk, Memory Card
UNIT - III
Software and Operating System
Basics of Software- Introduction, What Does Software Stand For? Needs of software, Types of software, Open- Source Software, Integrated Development Environment.
Operating System- Introduction to Operating System. Why an Operating System. Types of Operating System, Functions of Operating System, The Booting Process, Cold Booting, Warm Booting. Difference between Cold Booting and Warm Booting
Disk Operating System - Introduction, what is DOS? Functions of DOS, Versions of DOS, Commands, Internal Commands of DOS, External Commands of DOS, Executable Vs Non-Executable Files in Dos.
UNIT - IV
Programming Language
Introduction to Programming Languages, Data, Information and Knowledge, Characteristics of Information, Comparison between human language and Computer Language, what is a program? What is a Programming language? Programming development cycle, Algorithm, Program Flowcharts, Pseudocode, Programming approaches. Programming Paradigms, Types of Programming Language, Third Generation Language,, Fourth Generation Language.
UNIT - V
Computer Virus
Computer Virus - Introduction, Virus, History, Mechanism of virus, how a Virus Spreads, how is virus named, A few Prominent Viruses, Types of Computer Virus, Related Concepts: Anti-Virus Programs, Norton Anti- Virus (NAV). Execution of Norton Anti-Virus.