Worksheet Solutions: Types of Software | Computer Applications for Class 9 PDF Download

Q.1. Fill in the blanks with the given words.

(i) Software is a program or a group of instructions given to the computer to perform a particular task.
(ii) Antivirus is a software that is used to remove viruses and other malware programs from an infected computer.
(iii) The Quarantine option in an Antivirus Software is used to disable a virus, which is too difficult to remove.
(iv) The Utility programs are used to enhance the functionality of a computer system.
(v) It is always advisable to take Backup in case there is any damage or accidental damage to the computer system to protect its content.
(vi) Library Programs are a way of sharing common programs that do not need to be re-written for each piece of software.
(vii) Language Processors are translators that converts programs written in High-Level Language to Machine Language.
(viii) Presentation Tool is a software that facilitates the creation of presentations on any particular topic.
(ix) Encryption is the technique of converting a content into un-understable form.
(x) A mobile app is a software application developed specifically for use on small hand-held devices.

Q.2. State whether the following statements are True or False
(i) Computerised Reservation System is a software that allows you to conduct transactions related to railway or air travel. True
(ii) An Attendance Module is a part of Human Resource Management System. True
(iii) Finger Print Reader is a biometric device mostly used in an Attendance System. True
(iv) Mobile web apps are the web applications to render/deliver pages on web browsers running on mobile devices. True
(v) General Application software can only be used specifically for an organization. True
(vi) An assembler is used to convert a high level language program to low-level language. True
(vii) Tally is a Mobile application. True
(viii) Android is an operating system for a Personal Computer (PC). True
(ix) Proximity Reader is a device that senses an employee within its proximity and marks the person present or absent as attendance. True
(x) OpenOffice Writer is a customised software. True