REAL TIME CONCEPTS OF

SOFTWARE & NETWORKING

MOHAMED ABDULLA.J

14RBECSE020

SOFTWARE WHAT IS SOFTWARE ? IT IS A SET OF PROGRAMS, WHICH IS DESIGNED TO PERFORM WELL DEFINED FUNCTION. A PROGRAM IS A SEQUENCE OF INSTRUCTION

TYPES FEATURES

TYPES SYSTEM SOFTWARE• PREPARED BY COMPUTER

MANUFACTURERS • INTERFACE BETWEEN HARDWARE

AND USER

APPLICATION SOFTWARE • PREPARED IN LAB • PARTICULAR NEED OF A PARTICULAR

ENVIRONMENT

FEATURES SYSTEM SOFTWARE FAST IN SPEED

DIFFICULT TO DESIGN DIFFICULT TO UNDERSTAND

LESS INTERACTIVE SMALL IN SIZE

DIFFICULT TO MANIPULATE WRITTEN IN LOW LEVEL LANGUAGE

FEATURESAPPLICATION SOFTWARE

CLOSE TO USER EASY TO DESIGN

MORE INTERACTIVE SLOW IN SPEED

WRITTEN IN HIGH LEVEL LANGUAGE EASY TO UNDERSTAND EASY TO MANIPULATE

HARDWARE WHAT IS ? INPUT DEVICES OUTPUT DEVICES MOTHER BOARD CPU MEMORY RAM

INPUT DEVICES Key board Mouse Joystick

OUTPUT DEVICES

Monitor

Printer

MOTHER BOARD serves as a single platform to connect all parts of computer together .It connects CPU , MEMORY , HARD DRIVES , etc directly or via cables . Also known as BACKBONE of a computer .

FEATURES :

Normally it supports a single type of CPU Video cards , hard disk , sound cards have to compatible to function properly.

POPULAR MANUFACTURERS :

o Intel o Asus o Abito Gigabyte

CENTRAL PROCESSING UNIT [ CPU ]

CPU is considered as the brain of the computer and it performs all types of data processing operations . It controls the operation of all parts of computer .

CPU itself has the following three components :

Memory unit Control unit ALU

RAM

It is the internal memory of the CPU for storing data, program and program result . It is read/write memory which stores data until the machine is working . As soon as the machine is switched off, data is erased.

TYPES OF RAM

Static RAM SRAM

Dynamic RAM DRAM

NETWORKING WHAT IS A COMPUTER NETWORK ? IT IS A SYSTEM IN WHICH MULTIPLE COMPUTER ARE CONNECTED EACH OTHER TO SHARE INFORMATION AND RESOURCES CHARACTERISTICS OF A COMPUTER NETWORK : i. SHARE RESOURCES FROM ONE COMPUTER TO ANOTHER ii. CREATE FILES AND STORE FROM ONE COMPUTER TO ANOTHER iii. CONNECT A PRINTER , SCANNER TO ONE COMPUTER WITH THE NETWORK AND LET

OTHER COMPUTER ALSO USE THE RESOURCE

LIST OF HARDWARE REQUIRED TO SETUP A COMPUTER NETWORK :

COMPUTER NETWORK TYPES

Personal Area Network Local Area Network

Metropolitan Area Network. Wide Area Network

JAVA DEVELOPED : SUN MICRO SYS LATEST EDITION : JAVA SE 8FOUNDED : JAMES GOSLING

FEATURES : SECURE ARCHITECTURE- NEUTRAL PORTABLE INTERPRETED ROBUST HIGH PERFORMANCE MULTITHREADED DISTRIBUTED DYNAMIC

OBJECT ORIENTED PROGRAMMING :

Object

Class

Inheritance

Polymorphism

Abstraction

Encapsulation

THANKYOU

BY: MOHAMED ABDULLA .J