Tuesday, February 7, 2017
Internet
Dial up access
DSL access
CABLE access
Satellite access
Monday, February 6, 2017
What Is Led Printer?
Wednesday, January 18, 2017
What is Boot virus ?
These virus infect the master boot Record.These are activate during the time of booting of computer.
Preventation from virus:
Some antivirus programs I.e macfee, Norton, Microsoft Security Essentials are available to recognize the virus and helpful to prevent system from virus attacks.
Thursday, January 12, 2017
What is Computer Malware's ?
1.Virus
2.Spams
3.Adware
4.Spyware
5.Worms
6. Trojan Horse
7.Logic Bomb
Wednesday, January 11, 2017
Monday, January 2, 2017
What is System software ?
System software is computer software designed to operate the computer hardware and to provide a platform for running application software.The most basic types of system software are
Operating system
It controls the memory needed for computer processes, manages disk space, controls peripheral devices, and allows you to communicates with the computer without knowing exactly how a computer is useless, window window 98, window XP, Widow Vista, Window7, Linux, Unix, are the examples of operating system.
Sunday, January 1, 2017
Types of Computers
Computer are divided in following types in term of size
Microcomputers ( Personal computers )
The term microcomputer was introduced with the advent of single chip microprocessors. The various microcomputers are ;-
Desktop computers
Desktop computer is small in size and can put on the desk top that is why it known as destop. It is used in office, school, home, etc. Destop computer minimums have a moniter, keyboard, mouse, and a cpu.
Laptop computers
The primary benefil of a loptop computer is its small size and easy portability. A laptop computer can put om lap, that's the reason, it know as laptop. The keyboard, mouse,monitor and cpu all are bundled together in single machine. The notebook, palmtop computers are also come in the series of laptop.
Minicomputers
A mini computer is the computer which is referred to as the mid sized computers and they serve as the same functions as the normal destop computers. Minicomputers that are somewhere in between a microcomputer and a microcomputer.
Mainframe computers
The term mainframe computer was created to distinguish the traditional, large, institutional computer intended to service multiple users from the smaller,single, user machines.
What is central processing unit ?
The central processing unit (CPU),also called a processor is located inside the computer case on the motherboard. It is often called the brain of the computer, or the computer, or the computer's engine. Its job is to carry out commands, whenever you press a key, click the mouse, or start an application, you re sending instructions to the cpu. The cpu is generally a 2 inch ceramic square with a silicon chip located inside sized about the thumbnail. The processor determines how fast a computer can execute instructions. A processor's speed is measured in megahertz (MHZ) or gigahertz (GHZ).
Wednesday, December 28, 2016
What is Thermal Printer ?
What is Thermal printer?
A thermal impact printer or electrothermal printer is a printer that uses heated pins to "burn" images onto heat-sensitive paper.these printer are commonly used on calculators and fax machines and althouth they are inexpensive and print relatively fast they produce low resolution print jobs.
A thermal printer,thermal transfer printer , or thermal wax transfer printer is a high quality printer that commonly utilizes a thermal wax ribbon that melts a colored wax onto the paper creating near photo realistic images.
What is Laser Printer ?
What is Laser Printer ?
A laser printer is a printer that utilizes laser technology to print images on the paper.laser printer are often used in school, offices,home etc that require print jobs to be completed quickly and in large quantities. The printing cost of laser print is economy than other printers.