Session 1 - Important Terminologies - Without Audio

7/29/2019 Session 1 - Important Terminologies - Without Audio

1/17

Important

Terminologies


2/17

RAJU

10

COLLEGE

PENS

RAJU BOUGHT 10 PENSFOR THE COLLEGE.

PROCESS

DATA INFORMATION

Unprocessed and unformatted facts & figures of objects

Processed andformatted facts & figures of objects

MANUAL

COMPUTER


3/17

It is a command given to a computer which when

executed will give the desired result

SYNTAX

SEMANTICS

Rules and regulations for writing

an instruction

Meaning of the instruction

Raju plays football.

Football plays Raju.

Syntax - Semantics -

Syntax - Semantics -

N V N

N V N

Computer can detect only syntax errors and not semantic errors


4/17

Group of instructions written in a proper SEQUENCE,

which when executed by a computer will give the desiredresult.

Program fora trip to GOA

1. Make a list of students

2. Fix up the bus

3. Collect the fare

4. Decide the places to visit5. Finalize the departure date

6. ----------------

7. ---------------

8. Back home

ComputerProgram1. Input A,B

2. Sum = A + B

3. Print Sum

4. ----------------

5. ---------------


5/17

Group of inter-related programs which together performs a

major task and each of the programs does a particular task.

Program 1

Program 2

Program 3

Program 4

Program

Library ManagementSoftware

This maintains all book details

Books issue and receipt

Maintains records of all magazines

Fine collection

Purchase of new books


6/17

Physical components of a computer

Keyboard

Mouse

Add-on cards

MemoryMother board

PCBs


7/17

Means of communication

LLL Low Level Language

AL Assembly Language

HLL

High Level Language

Machine LanguageBinary Language

BASIC, COBOL, C,C++, JAVA,VISUAL BASIC, etc.


8/17

System software which converts a computer language

into machine understandable language

Printf(hello);Printf(Enter a number);Scanf(%d,&num);

Hey! I dont follow u

I know only 01010101

High Level Language Low Level Language


9/17Mr.Chellam Mr.Chung Mr.Chellam Mr.Chung

COMPILERINTERPRETER

Mr.Sam

Experience

of 2 years astranslator

Dr.Kumar

Experience of

10 years astranslator


10/17

COMPILER

System software which converts HLL to

LLL all the instructions at a time

INTERPRETERSystem software which converts HLL toLLL one instruction at a time

ASSEMBLERSystem software which converts AL

programs to LLL


11/17

Instruments or electronic gadgets

Input Devices

Output Devices

Storage Devices

Processing Devices


12/17

Keyboard

Mouse

JoystickLightpen

Scanner

Digitizer

Voice recogniser

Barcode reader

Optical character reader

others

Visual Display Unit (VDU)

Printers

Plotter

Speakers

Liquid Crystal Displays(LCD)

7-segment LED displays

others


13/17

System software which acts as an interface between

the user and the hardware of the computerEgs. DOS, WINDOWS, UNIX, LINUX, etc.

Warm booting

(ctrl + alt + del)

Cold booting


14/17

Connecting of 2 or more computers

LAN Local Area Network

MAN Metropolitian Area Network

WAN Wide Area Network


15/17

summary Data Information Instruction Program

Software Hardware Language Translators

Devices Operating System Booting Network


16/17

Chapter 1

History of Computers Important Terminologies

Characteristics of a computer

Era of digital computers Generations of Computer

Classification of Computer

Computer Applications


17/17

Session 1 - Important Terminologies - Without Audio

Documents

Transcript of Session 1 - Important Terminologies - Without Audio