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What is used for tasks such as starting programs and locating data files?
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Why can computer data not become infected by viruses?
A virus can sometimes insert itself into data files, but this is a dead end. Data files cannot be started as programs by the operating system and if the file is not a program any virus in it cannot execute and perform its nefarious tasks. So properly designed viruses will look specifically for executable type files containing programs and not waste their time infecting data files.
What do you mean by shell and shell scripts?
Shell scripts are interpreted files that contain commands and logic sequences to do things. They are similar to programs in that they contain logic and sequencing, and call other programs to accomplish tasks. You use shell scripts to automate tasks in Unix, run tasks periodically, create repeatable tasks, etc.
What are batch files?
Batch files are text files containing a series of commands to execute set of commands or run programs in a sequence. Batch files are like a script which, instead of entering and running individual commands are useful in saving time and executing programs even when computer user is not present. Batch files are useful for repetitive tasks (you do not need to enter all the commands every time you repeat the task). MS-DOS and Windows batch files end with .bat extension.
What specific tasks would i perform as an Orthodontists?
I would be responsible for locating problems with the positioning of patient's teeth and with their oral development.
What is the difference between utility programs and application programs?
I guess you could say that application programs help you do something in the real world: Writing a letter to your mother, watching a video, making a presentation for work.Utility programs are generally all about computer administration: They let you defragment the hard drive, move files between computers and similar small and limited computer-related tasks.
Bar on desktop that starts programs and switch between tasks?
taskbar
What is the file that contains the programs that tell a computer how to perform a specific task?
An executable. In Windows systems, executable files are denoted with a .exe file extension. When double clicked on, the operating system will hand over control to the program, which allows it to carry out its given tasks.
Set of computer programs used on a computer to help perform tasks?
software
Which person designs programs to perform tasks?
software architect or software designer
An operating system is a collection of programs which initialize the hardware of the computer and manage tasks?
yes.
What are programs that enable you to accomplish tasks called?
Application software
What software includes all the programs that allow you to perform specific tasks on a computer?
The operating system allows you to use the computer, but you need specific programs to perform specific tasks. There is no single piece of software that allows you to perform every specific task.
