Information Literacy and Communication: Learning about Computers

Topics: Operating system, Computer, System software Pages: 2 (517 words) Published: October 17, 2012
Travis Whitehead

Information Literacy and Communication

Gina Rollins


Learning about Your Computer

An operating system is a program designed to run other programs on a computer. A computer’s operating system is its most important program. It is considered the backbone of a computer, managing both software and hardware resources. Operating systems are responsible for everything from the control and allocation of memory to recognizing input from external devices and transmitting output to computer displays. They also manage files on computer hard drives and control peripherals, like printers and scanners.

The operating system of a large computer system has even more work to do. Such operating systems monitor different programs and users, making sure everything runs smoothly, without interference, despite the fact that numerous devices and programs are used simultaneously. An operating system also has a vital role to play in security. Its job includes preventing unauthorized users from accessing the computer system.

The operating system that is on the computer that I am using is Microsoft Windows XP Professional version 2002 service pack 3. Ram (random-access memory): This is the same as main memory. When used by itself, the term RAM refers to read and write memory; that is, you can both write data into RAM and read data from RAM. This is in contrast to ROM, which permits you only to read data. Most RAM is volatile, which means that it requires a steady flow of electricity to maintain its contents. As soon as the power is turned off, whatever data was in RAM is lost. The amount of ram on the computer is 2 gb of ram. Yes this computer can be upgraded to 4 gb of ram without any problems or errors.

System software Refers to the operating system and all utility programs that manage computer resources at a low level. Software is generally divided into systems software and applications software. Applications software...
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