CLASS - IX
SUBJECT : INFORMATION TECHNOLOGY
CHAPTER – 3 ( Basic ICT Skills )
Workheet-1
1. What is the difference between system software and application software?
Answer: System software is a set of one or more programs designed to control the operation of a computer system. Operating systems and language processors come under the category of system software
Application software is a computer program that is designed to perform a certain type of work. This type of software pertains to one specific application.
2. Name any three disk management tools.
Answer: Disk Management Tools:- These programs include
• Disk Cleaner:-This utility scans for the files that have not been used since long. These files may be occupying large amount of space. It prompts the user to delete such files to create more disk space.
• Disk Defragmenter:-It rearranges the files and free space on the computer so that files are stored in contiguous and free space is consolidated in one contiguous block. This speeds up the disk access.
• Backup:- backup means making a duplicate of the files and data stored on the computer. This program is used to take backup copy of the data. In case the original data is lost, the backed up data can be used.
3. Name the program that rearranges the files and folders in the computer system.
Answer: Disk Defragmenter:-It rearranges the files and free space on the computer so that files are stored in contiguous and free space is consolidated in one contiguous block. This speeds up the disk access..
4. Give example of file management tool.
Answer: File management tools:-These tools help in storing, searching, and sorting files and folders on the system. For example, Windows Explorer
5. Name the types of language processors.
Answer: Language processor is of three types:
1. Assembler:- It is a program that translates an assembly language program into machine language.
2. Compiler:-It is a program that translates a high-level language program into machine language. For example C++ compiler.
3. Interpreter:-It is a program that translates a high-level language into machine language program line by line. For example, Visual basic Interpreter.