HISTORY OF COMPUTER

*Introduction;- Computer is a high speed electronics device .The word of computers comes from the Greek word  “compute”which means calculation. The history of computer is longer than the history of computer hardware and modern computer  technology and includes the history of methods . *Abacus;- An abacus  is a manual aid to calculating that can be moved up and down on … Read more

Definition of computers virus and its types.

*Definition of virus;-  A computer virus is a type of computer program that, when executed, replicates itself by modifying other computer programs and inserting its own code.[ When this replication succeeds, the affected areas are then said to be “infected” with a computer virus. Virus writers use social engineering deceptions and exploit detailed knowledge of security vulnerabilities to initially infect systems … Read more

GENERATIONS OF COMPUTER

*Generations of computer;- The term generation refers to huge development an electronic data processing.There are classified into five categories. 1.First generations of computer(1942-1955);-               In first generation of computer var kum  tubes technology or used in this generation of computer required more amount of hit.Its memory type watch electromagnetic it was … Read more

Types of computer

*Types of computer;-    Computer is a high speed electronic device. It is classified into three categories,such as-            1.Analog computer            2.Digital computer            3.Hybrid computer 1.Analog computer;- It search a computer where qualify information convert into contify information ,such as- Temperature, … Read more

FUNDAMENTALS OF COMPUTER;- Part 2

*Functions of computer;-   It is divided in to three types,such as-        1.In put data/In put device         2. Out put data/Out put device         3.Processing data 1.Input data/Input device;-    Through which we can enter some information data in the system is known as input data/device. … Read more

FUNDAMENTAL OF COMPUTER ;-Part 1

*Introduction of computer;-               Computer is a high speed electronic device.The word of computer comes from the Greek word “compute” which means calculation. *Merits of computer ;-                      There are four types of merits in divided,such as-   1.Speed;-Computer is a high … Read more

FULL FORM OF COMPUTER.

COMPUTER;-             C-common             O-oriented             M-multi              P-purpose             U-universal             T-technology             E-education           … Read more

SHORTCUT KEYS OF COMPUTER ;PART2

NO 1. NUMERICAL  KEYS 1. Ctrl+a=all select 2.Ctrl+b=bolt 3. Ctrl+c=copy 4. Ctrl+d=delete 5. Ctrl+e=center alignment 6. Ctrl+f=find 7 .Ctrl+g=go to 8. Ctrl+h=replace 9 .Ctrl+i=italic 10. Ctrl+j=justify 11. Ctrl+k=hyper link 12. Ctrl+l=left alignment 13. Ctrl+n=new 14. Ctrl+o=open 15. Ctrl+p=print 15. Ctrl+r=right alignment 16. Ctrl+s=save 17. Ctrl+u=under line 18 .Ctrl+v=paste 19. Ctrl+w=correct close document 20 .Ctrl+x=cut    21 … Read more

WHAT IS COMPUTER SKILLS? part 1

Computer skills are essential in order to utilize computers and related technology efficiently .After you have mastered the basics, this course will help you learn about Internet and emails, computers,world processing multimedia , and spread sheets.                                   *Lives:–    … Read more