Short Answer Type Questions: Types of Software | Computer Applications for Class 9 PDF Download

Q.1. What is the function of a proximity reader in an attendance system?

These devices are very advanced compared to the above mentioned Attendance system devices. It just senses an employee within its proximity and marks the person present or absent.

Q.2. State any one use of an accounting management software.

Accounting Management Software is used to generate Balance Sheet for a company or an individual.

Q.3. What is a software?

Software refers to a program or group of instructions that are given to the computer, which is stored in the main memory to perform a specific job.

Q.4. What is human resource management?

A Human Resources Management System (HRMS) is just the software application that caters to the management of the human resources of an organization. It combines many human resources functions including benefits administration, payroll, recruiting and training, and performance analysis and review into one package.

Q.5. What is a database management system?

A Database Management System (DBMS) is a software package that enables you to store, modify and extract information from a database.

Q.6. What is the significance of using language translator?

A Programming Language Translator is responsible for converting programs written in a computer language to machine language. There are three types of translator namely Assemblers, Compilers and Interpreters.

Q.7. How does the process of defragmentation speed up the computer system?

Disk de-fragmentation utility software speeds up the system by rearranging files stored on the hard disk to occupy contiguous storage locations using a technique called defragmentation. This leads to minimizing the head travel, which reduces the time it takes to read files from and write files to the disk.

Q.8. What is the use of compression utility software?

Compression utility software is used to compress a file to a smaller size, which may then be used for storage or transfer from one computer to another.

Q.9. What is an anti-virus software? Also explain the term quarantine with respect to anti-virus software.

Virus Scanner or Antivirus is a utility software that is used to remove viruses and other malware programs from the computer.
Quarantine: Certain virus may be too difficult to be removed completely, this virus are disabled and kept in a safe place so that it cannot infect other files.

Q.10. What is system software? Name the different types of system software.

System software is collection of programs that is used to service or help other programs during execution.
The different types of System Software are:

• Operating System
• Utility Programs
• Library Programs
• Programming Language Translators

Q.11. What are library programs?

Library Programs are a way of sharing common programs so that they do not need to be rewritten for each piece of software. For example, the use of mouse is almost same in different application software.

Q.12. State at least two advantages of using a backup utility software.

• Taking regular backups makes data reliable.
• Taking regular backups can make recovery easier during catastrophic disaster.

Q.13. What are mobile applications?

A mobile application, most commonly referred to as an app, is a type of application software designed to run on a mobile device, such as a smartphone or tablet computer.

Q.14. State two functionalities of an operating system.

• It acts as an interface between the computer and the user.
• It controls all hardware and software resources of the computer system.

Q.15. What is a reservation system?

Reservation System or Computerised Reservation System is a software that is used to store and retrieve information and conduct transactions related to railway travel, air travel, hotels, car rental, or activities. Reservation System was originally designed and operated by airlines, but currently is extended extensively by Indian railways and also by travel agencies.

Q.16. Which software is used to analyse statistical data? Give two examples of such software.

Spreadsheet is used to analyse statistical data. Examples OpenOffice Calc and Microsoft Excel.

Q.17. Name two devices that are used as an automated attendance system.

Two devices that are used as an automated Attendance System:

• Finger Print Reader
• Proximity Reader

Q.18. What is a presentation tool? Give two examples of a presentation software.

Presentation Tool is a software that facilitates the creation of presentations on any particular topic. A presentation is a combination of slides, handouts, notes and outlines all kept in a single file. It is possible to add text, graphics, photos, clip art, sound and video to your slides.
Examples OpenOffice Impress and Microsoft PowerPoint.

Q.19. State two features of accounting management software.

Two features of Accounting Management Software are:

• Financial Accounting (Multi-Currency)
• Inventory Management (Multi-location)

Q.20. What is the function of a payroll module in a human resource management software?

The Payroll module is responsible for automating the pay process by gathering data on employee time and attendance, calculating increments, calculating various deductions and taxes, and generating periodic pay cheques and employee tax reports.

Q.21. State one difference between
(i) Compiler and interpreter.
(ii) Standard software and customised software

(i) Interpreter converts each line of a program to machine language whereas Compiler converts an entire program to machine language as a whole.

(ii) Standard or Generic Software is a general purpose software that is mass produced with the intention that it will be used by a wide variety of different users in a range of different situations. Customised software on the other hand as the name suggest, is more specific towards a particular organization or an individual. Such software's meets the requirements of that organization or individual to whomever it may be concerned. It is created for a specific purpose which will be used in a known environment.

Q.22. State one difference between native app and web app.

Native apps are built for a specific operating system. A native app developed for iOS operating system won't work on Android devices and vice-versa. If an app is developed for iOS, it will remain exclusive to that operating system.
Web apps on the other hand are the web applications to render/deliver pages on web browsers running on mobile devices. Since these apps target browsers, they work on different mobile operating systems. Web apps are mobile-optimized web pages that look like an app.

Q.23. What is the function of a inventory control system?

An inventory control system is an application that encompasses all aspects of managing a company's inventories i.e. purchasing, shipping, receiving, tracking, warehousing and storage, turnover and reordering.