1DCA1-Fundamentals of computers and
Information Technology
INTRODUCTION TO COMPUTER AND INFORMATION
TECHNOLOGY
- Brief history of development of computers
- Computer system concept
- Computer system characteristics
- Capabilities and limitation
- Types of computers – Analog, Digital, Hybrid,
General, Special Purpose, Micro, Mini Mainframe, Super.
- Generations of computers
- Personal Computer (PCs)- IBM PCs, characteristics,
PC/PCXT/PCAT- configurations, Pentium and Newer PCs
specifications and main characteristics.
- Types of PCs – Desktop, Laptop, Note book, Palmtop,
Workstations etc. – their characteristics.
COMPUTER ORGANISATIONS AND WORKING
- Basic components of a computer system- Control unit, ALU,
Input /Output functions and characteristics, memory
– RAM, ROM, EPROM FROM and other types of memory.
INPUT DEVICES
- Keyboard, Mouse, Trackball, Joystick, Digitizing tablet,
Scanners, Digital Camera, MICR, OCR, OMR, Bar-code
Reader, Voice Recognition, Light Pen, Touch Screen.
OUTPUT DEVICES
- Monitors- characteristics and types of monitor –
Digital , Analog, Size, Resolution, Refresh Rate,
Interlaced/Non Interlaced, Dot Pitch, Video Standard-
VGA, SAGA, XGA etc.
- Printers- Daisy wheel, Dot Matrix, Inkjet, Laser, Line
Printer
- Plotter,
- Sound Card and Speakers.
STORAGE DEVICES
- Storage fundamentals- Primary Vs Secondary,
- Data Storage and Retrieval methods- Sequential, Direct
and Index Sequential.
- Various Storage Devices- Magnetic Tape, Magnetic Disks,
Cartridge Tape, Hard Disk Drives, Floppy Disks (
Winchester Disk) , Optical Disks, CD, VCD, CD-R,CD-RW,
Zip Drive.
COMPUTER SOFT –WARES
- Need, Types of Soft wares – System Software,
Application Software
- System Software – Operating System, Utility Program,
Programming languages, Assemblers, Compilers and
Interpreters
- Operating System- Functions, Types- Batch, Single, Multi
Programming, Multi-processing
- Programming languages- Machine, Assembly , High Level,
4GL, their merits and demerits
- Application Software- Word – processing,
Spreadsheet, Presentation Graphics, Data Base Management
Software, Characteristics, Uses and examples and area of
applications of each of them
NUMBER SYSTEM
- Data representation in computers
- Number system of computers- Binary, octal,- ASCII, BCD,
EBCDIC etc.
COMPUTER VIRUS
- Virus working principles,
- Types of viruses,
- Virus of viruses,
- Virus detection and preventing
- Virus on network.
DATA COMMUNICATION AND NETWORKS
- Analog and Digital Signals
- Modulations- Amplitude Modular (AM), Frequency Modulation
(FM), Phase Modulation (PM)
- Communication Process
- Direction of Transmission Flow – Simplex, Half
Duplex, Full Duple
- Communication Software
- Communication protocols
- Communication Channels- Twisted, Coaxial, Fiber Optic,
Serial and Parallel Communication.
- Modem- Working and characteristics
- Types of Connection- Dialup, Leased Lines, ISDN
- Types of Network- LAN, WAN, MAN, etc.
- Topologies of LAN- Ring, Bus, Star, Mesh and Tree
topologies
- Components of LAN- Media, NIC, Nos , Bridges, HUM,
Routers, Repeaters and Gateways.
- Use of Communication in daily life.
TEXT & REFERENCE BOOK:
- Introduction to Computers and Information Technology
- By Anurag Seetha, Ram Prasad & Sons, Bhopal.
- COMPUTERS TODAY
- By S.K. Basandra, Galgotia Puboications.
- FUNDAMENTALS OF INFORMATION TECHNOLOGY
- By Alexis Leon & Mathews Leon, Vikas publishing
House, New Delhi.
