Cbse, class 7, IT COMPUTER, UNIT 1, TYPES OF SOFTWARE
Cbse, class 7, IT COMPUTER, UNIT 1, TYPES OF SOFTWARE
Q:1. | Select the correct option. | ||
a. | This software directly interacts with the hardware and allows you to communicate with it. | ||
i. system software | ii. application software | ||
iii. both (i) and (ii) | iv. none of these | ||
b. | Which of the following is an example of utility software? | ||
i. MS Excel | ii. Google Chrome | ||
iii. Windows Media Player | iv. Bull guard | ||
c. | It is available for free and can be modified according to our requirements. | ||
i. firmware | ii. open source software | ||
iii. both (i) and (ii) | iv. none of these | ||
d. | A set of one or more programs used to accomplish a specific task but not necessary for running the computer. | ||
i. system software | ii. application software | ||
iii. both (i) and (ii) | iv. none of these | ||
e. | Which of the following is not an example of utility software? | ||
i. Norton Antivirus | ii. Winzip | ||
iii. Windows Media Player | iv. Bull guard | ||
2. | Do as directed. | ||
a. | Identify the type of application software used in the following. | ||
i. | To generate report cards in schools | ||
Ans | Special pupose or custom made | ||
ii. | To create charts, graphics and formatting a document | ||
Ans | General purpose or packaged software | ||
b. | Identify the type of general purpose software given below. | ||
i | Google Chrome | ||
Ans | Web Browser | ||
ii | Adobe Photoshop | ||
Ans | Graphic designing application | ||
iii | MS SQL server | ||
Ans | Database Management System | ||
Theory Based Questions. | |||
3. | a. | What is an interpreter? Explain its advantage. | |
Ans | An interpreter converts one statement of a source program at a time and executes it before converting the next statement. | ||
The advantage of an interpreter is that an error is found immediately and the programmer can make corrections during program development. | |||
b. | What is the use of a language processor? Explain its types. | ||
Ans | A language processor is required to convert a high level program into a machine language program which can then be run on a computer. | ||
A Compiler is used to convert all instructions of a high level language program (source code) into machine language at one go. | |||
An Interpreter is used to convert one statement of a source program at a time and executes this statement before converting the next statement. | |||
c. | List and explain any three types of utility software based on their function. | ||
Ans | Antivirus utilities scan files for computer viruses and remove them. | ||
Backup utilities are used to make a copy of all the information stored on a disk so that it can be restored incase of disk failure. | |||
Data compression utilities are used to compress files into a smaller size. | |||
Disk cleaners remove unnecessary or duplicate files there by freeing up memory space. | |||
Disk defragmenters move fragments of files stored across several locations to a single memory location to increase efficiency. (Any three) |
d. What is an application software? Explain with an example.
Ans Application software is a set of one or more programs used to accomplish a specific task and not meant for running the computer.
My SQL is an application software that is used to create and maintain databases.
MS Paint or GIMP is an application software that is used for creating and viewing images. (Any one example)
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