Recover a Corrupted System File

If an essential Windows file gets whacked by a virus or otherwise corrupted, restore it from the Windows CD. Search the CD for the filename, replacing the last character with an underscore; for example, Notepad.ex_. If it's found, open a command prompt and enter the command EXPAND, followed by the full pathname of the file and of the desired destination: EXPAND D:\SETUP\NOTEPAD.EX_ C:\Windows\NOTEPAD.EXE. If either pathname contains any spaces, surround it with double quotes.

How to use Bluetooth technology to connect laptop and cell phone?

We can use Bluetooth technology to connect laptop and cell phone. We can move videos, images, photos etc from  desktop computer or a laptop to our cell phones. In order to use Bluetooth technology to connect laptop and cell phone we need a laptop and a cell phone which support this technology. 

If the laptop doesn't support it, we can use a USB Bluetooth dongle.  Just plug it into the USB port of the desktop computer or laptop. Leave the rest to Microsoft Windows. It will find the driver and install it itself.  If it is not supported, we can manually install it via the manufacturer's compact disk. Follow these simple steps in order to use Bluetooth technology to connect laptop and cell phone: (In this example, we are using Windows Vista.)

 Turn on the Bluetooth feature on your cell phone.

 Make this setting:  my Phone's visibility -> Shown to all on the cell phone.

Open Bluetooth Devices by clicking on its icon in the Control Panel.

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Advantages of Utility Software

Utility software is mainly used for configuring, analyzing and maintaining computer systems. This kind of software lays emphasis on the working or functioning of computer operating systems, application software, data storage and computer hardware. Utility software is considered to be a part of system software which itself is a software for operating computer hardware and using application software.

System Software

Computer Basic Input/Output System (BIOS), operating systems and utility software are the three important types of system software. Some more system software types which are readily used these days are Loaders, Shells, database management systems such as SQL and Linkers. The system software which is stored on non volatile memory is known as firmware.

Utility software, today, is among the most efficient and major types of software available to the industry and hence, its use has increased tremendously over the years. Mentioned below are the prominent advantages of utility software.

Major Types of Software

Software, by definition, is the collection of computer programs, procedures and documentation that performs different tasks on a computer system. The term 'software' was first used by John Tukey in 1958. At the very basic level, computer software consists of a machine language that comprises groups of binary values, which specify processor instructions. The processor instructions change the state of computer hardware in a predefined sequence. Briefly, computer software is the language in which a computer speaks. There are different types of computer software. What are their major types? Let us see.

Main Types of Software

Programming Software: This is one of the most commonly known and popularly used types of computer software. These software come in the form of tools that assist a programmer in writing computer programs. Computer programs are sets of logical instructions that make a computer system perform certain tasks. The tools that help programmers in instructing a computer system include text editors, compilers and interpreters. Compilers translate source code written in a programming language into the language which a computer understands (mostly the binary form). Compilers generate objects which are combined and converted into executable programs through linkers. Debuggers are used to check code for bugs and debug it. The source code is partially or completely simulated for the debugging tool to run on it and remove bugs if any. Interpreters execute programs. They execute the source code or a precomputed code or translate source code into an intermediate language before execution.

Computer Software and Hardware Installation

Computer Software Installation

The operating system of your computer is an important factor to be considered when you install any software. The operating system is the program that is contrived to run the computer software on your computer. The operating system is responsible for managing the computer software and hardware. Before you install a computer software, the first important step is to check the configuration of your computer. Also, check the hardware and software requirement of the software you are installing. The configuration of your computer must match the requirements of the software to be installed. Sometimes, the software to be installed is compressed in a .RAR or .ZIP file. In these cases, before you install the software you have to uncompressed all the installation files and folders. To uncompressed the files and folders, ensure that you have a decompression software application installed on your computer.

Every computer software comes with a 'Read me' file. This 'Read me' file contains all the instructions that are required to install the software on your computer. Sometimes, when you install a software, the software may ask you to install another program that is required for the proper execution of the software to be installed. The computer may even prompt you to install the supporting software after you complete the installation. When you install any software program on the computer, it is advisable to close all other programs and utilities. Some antivirus software applications may require you to turn off the firewall and disable the antivirus in order to install the software. When installing software applications related to computer networking or web browsing, it is recommended to disable the antivirus and the firewall. Finally, to complete the installation, restart your computer system.

5 Tips to Keep your Computer Healthy

Having worked on computers both professionally and personally for over 20 years I can tell you I have worked on A LOT of different computers. Quite often I run into computers that are 4 or 5 years old and they have had little to no maintanence. Would you do this to your car??

Since this is so common I thought I would send some time and share 5 things you can do to keep your computer running smoothly. They are all pretty easy and anyone with any computer skill can perform these tasks.

Let's get started: