dual boot »

DUal boot WindowS and LiNUX If yoU’d like to rUn LiNUX and WindowS On the SAme compUter, yoU will firST have todecide which LiNUX diSTriBUTion yoU want to USE. The moST popUlar onES are UBUNTU,Debian, Mint and Manjaro, bUt there are HUNDRedS to chooSE from. All of them havetheir own UNIQUe feaTUreS and qUirkS, thoUgh … Read more

Installation of Linux operating system

linux 4 »

A. INSTall LinUX USINg CD-ROM or USB Stick. Download .ISO Or the ISO filES On a compUter from the internet and STore it in the CD-ROM or USB Stick after making it bootable USINg Pen Drive LiNUX and UNetBootin Boot into the USB stickYOU need to rESTart yoUr compUter after attaching CD –ROM or pen … Read more

Installation in Windows 7, 10 (32-bit on 64-bit)operating SySTem.

operating system »

Booting your operating system using a DVD   Take out your Windows 7 DVD and insert it into the computer (if your computer does not have a DVD drive, please read the USB installation guide). If the installation does not run automatically, it is necessary to restart your computer and, in some cases, set up … Read more

Computer Components (RAM, ROM, HDD, SSD, Ethernet Card, Sound Card, Graphic Card, Bus System, Ports & Sockets)

Computer systems consist of three components as shown in below image: Central Processing Unit, Input devices and Output devices. Input devices provide data input to processor, which processes data and generates useful information that’s displayed to the user through output devices. This is stored in computer’s memory. Arithmetic Logic Unit (ALU)  Data entered into computer is … Read more

Installing and Supporting I/O Devices

CHAPTER 9 This chapter is packed full of details about the many I/O devices aPC support technicians must be familiar with and must knowhow to install and support. We begin with looking at the featuresand characteristics of several input and output devices, includingmotherboard ports, display devices, and expansion cards. Then you’lllearn how to install common … Read more

What is expansion card, expansion slot, and history, internal modem and, book

In computing, the expansion card is a printed circuit boardthat can be inserted into expansion slot, on acomputer motherboard to add functionality to a computersystem via the expansion bus.• It is also known as add on card, expansion board, adaptercard or accessory card. Types of expansion card interface Card (ATA, Bluetooth, EIDE, Firewire, IDE, Parallel, … Read more

Introduction to Software Testing

Software testing is a process used to identify thecorrectness, completeness, and quality of developedcomputer software.It is the process of executing a program /an application under positive and negative conditionsby manual or automated means. It checks for the:- Specification Functionality Performance Software Product Metrics, Why have Software Product Metrics?

Software Metrics

Measurement• Measurement is fundamental to any engineeringdiscipline• Software Metrics – Broad range of measurements forcomputer software• Software Process – Measurement can be applied toimprove it on a continuous basis• Software Project – Measurement can be applied inestimation, quality control, productivity assessment &project control• Measurement can be used by software engineers indecision making Software Maintenance

Software Maintenance

INTRODUCTION• Software maintenance is the last stage of s/w lifecycle.• After the product has been released, themaintenance phase keeps the s/w up to date withthe environment changes & changing userrequirements.• It consumes about 40-70% of the cost of theentire life cycle.• Maintenance can only happen efficiently if theearlier phases are done properly. Software Life