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Interpreter: An interpreter is a system software which translates high level language program into
l
machine code line by line.
Compiler: A compiler translates a program that is written in high level language into machine level
l
language in one go.
Utility Software
Utility Software is a set of small programs that supports the execution and operation of the Computer
system by doing additional works like scanning the hard disk to check the faulty sectors, virus scanning to
check the infected files, etc. For example: WinZip, antivirus software, file management tools, compression
tools, disk management tools, etc.
Utilities are neither completely system software nor application software. It is difficult to make a definite
list of utility software. But the most common types are disc and file management, Internet security and OS
customization tools. Such software are also used as specific tools while developing programs, etc.
Antivirus
An antivirus is a utility software that helps the computer to be free from virus. Moreover, it notifies
when any program gets infected and contaminate other files. In addition, it also scans the computer and
provides protection against malware. It also scans the system in real time for any threats and eliminate
them. Examples of antivirus software are McAfee, Quick Heal, Avast, etc.
Compression Tools
An important aspect of a computer system is storage space which is limited to some extent so, it is
necessary to manage this storage space. Therefore, we can decrease the size of big data files by using
data compression tools. Examples of compression tools are WinZip, WinRAR, 7-Zip, etc.
Disk Management Tools
Disk management tools are used to manage data by performing some functions on drives of your system.
These functions are partitioning drives, manage drives, etc. Examples of disk management tools are
MiniTool Partition Wizard, Paragon Partition Manager, etc.
File System
Operating System facilitates for proper file system that helps to organize and obtain grouped information
or execution from a data storage device in a systematic manner, i.e., ‘File System’ is the basic structure and
concise format to arrange the set of information with their names.
There are different categories of File System. Some common file systems are FAT, NTFS, EXT, etc.
File System Abbreviation Commonly used in Operating System
FAT File Allocation Table Used in Pen Drive, Flash Drive, 9X series of Windows
NTFS New Technology File System Microsoft Windows
EXT Extended File System Linux
34 Touchpad Computer Applications-IX

