PLUS TWO COMPUTER APPLICATION
(+2 Computer Application / Computer Science ,
Previous Questions Chapter wise ..
Chapter 11 ( Computer Application) : Trends And Issues In ICT.
1. ..................... is a packet oriented mobile data service on GSM.
Ans. GPRS
2. Raju sends a short message to his friend.Explain how the text message is exchanged.
When a message is sent, it reaches a Short Message Service Center (SMSC), which provides a ‘store and forward’ mechanism. SMSC attempts to send messages to the recipients. If a recipient is not reachable, the SMSC waits and then retries later. Some SMSC’s also provide a ‘forward and forget’ option where transmission is tried only once and if it fails, the message is not sent again. SMS messages are exchanged using the protocol called Signalling System
3. What is Industrial Property Right ?Write a short note on any two Industrial Property Right.
Chapter 12 ( Computer Science ) : ICT and Society.
1. ..................... is a packet oriented mobile data service on GSM.
Ans. GPRS
2. Raju sends a short message to his friend.Explain how the text message is exchanged.
When a message is sent, it reaches a Short Message Service Center (SMSC), which provides a ‘store and forward’ mechanism. SMSC attempts to send messages to the recipients. If a recipient is not reachable, the SMSC waits and then retries later. Some SMSC’s also provide a ‘forward and forget’ option where transmission is tried only once and if it fails, the message is not sent again. SMS messages are exchanged using the protocol called Signalling System
3. What is Industrial Property Right ?Write a short note on any two Industrial Property Right.
Intellectual Property Rights are legal rights, which result from intellectual activity in industrial, scientific, literary & artistic fields. Intellectual property rights are the rights given to persons over the creations of their minds. They usually give the creator an exclusive right over the use of his/her creation for a certain period of time.Intellectual property is divided into two types industrial property and copyright.
Patent
A patent is an exclusive right granted for an invention. It provides protection for the invention to the owner of the patent. The protection is granted for a limited period. Patent protection means that the invention cannot be commercially made, used, distributed or sold without the patent owner's consent. A patent owner has the right to decide who may - or may not - use the patented invention for the period in which the invention is protected. The patent owner may give permission to, or license, other parties to use the invention on mutually agreed terms. The owner may also sell the right to the invention to someone else. patents provide not only protection for the owner but valuable information and inspiration for future generations of researchers and inventors.
Trademark
A trademark identifies the brand owner of a particular product or service.It is a distinctive sign that identifies certain goods or services as those produced or provided by a specific person or enterprise. It may be one or a combination of words, letters, and numerals. They may consist of drawings, symbols,three- dimensional signs such as the shape and packaging of goods, audible signs such as music or vocal sounds etc. It helps consumers identify and purchase a product.
4. …….. is a Linux based mobile operating system from Google
a). ios
b). Blackberry
c). Android
d) Windows Phone
Ans. c
Ans. c
5. SIM stands for ……………….
(a)Subscriber Information Module.
(b)Subscriber Identity Module
(c)Subscriber Identity Machine.
(d)Sunscriber Information Memory
Ans. b
6. What is Cyber Crime ? Write a short note on any two cyber crimes against individuals
Cyber crime is defined as criminal activity in which computer or computer network is used as a tool,taget or a place of criminal activity.It includes phishing,hacking Denial of service attack etc.Computer crime mainly consists of unauthorised access to computer,credit card frauds,cyber terrorism etc.Cyber crimes are divided into three categories crime against individual,against property and against government.
Cyber crime against individual
Cyber crime against individual includes identity theft,harrassment,impersonation and cheating,violation of privacy,dissemination of obscene material.
a)Identity theft
Identity theft occurs when someones personal information such as credit card number,name etc are used to commit crime(fraud). Identity theft places a burden on its victims and presents a challenge to businesses, organizations and government agencies.
b)Harassment
Harassment involves posting humiliating comments on gender,race,religion etc.The use of vulgur(indecent) language is also considered as harassment. Cyberstalking is a crime in which the attacker harasses a victim using electronic communication.
7. In ………….. system several transmitters can send information simultaneously over a single communication channel.
a). CDMA
b). GPS
c). GSM
d). None of these
Ans. a
8. GPS is useful for tracking vehicles by transport company. How is it possible ?
GPS is a satellite based navigation system.It is used to locate geographical position.It is designed and operated by U.S department of defence. GPS works in any weather conditions, anywhere in the world. There are no subscription fees or setup charges to use GPS. Vehicle navigation systems will direct the driver to his or
her destination through the best route. In commercial aviation GPS is used for
aircraft navigation. GPS is also used in oil exploration, farming, atmospheric studies
etc. GPS receivers are now integrated in many mobile phones for implementing
various tracking applications.
9. Write a short notes on
SMS
MMS
GPS
SMS(Short Message Service)
Short Message Service(SMS) is a text messaging service.It is a data application used by mobile phone users.SMS uses ‘store and forward’ mechanism. When an SMS is sent it reaches the SMSC (Short Message Service Center),from there it is send to the recipients.
SMS messages are send using the SS7(Signalling System No.7).
MMS(Multimedia Messaging Service)
MMS is a standard way to send and receive message consisting of multimedia content using mobile phones.It extends SMS capability to send text messages.There is no limitation in the size of MMS messages.
GPS(Global Positioning System)
GPS is a satellite based navigation system.It is used to locate geographical position.It is designed and operated by U.S department of defence. GPS works in any weather conditions, anywhere in the world. There are no subscription fees or setup charges to use GPS.
10. Write a short note on Cyberspace.
Cyber space is a virtual environment created by computer systems connected to the internet.It refers to a simulated world where we can do many things at a place.The term Cyberspace was coined by William Gibson. Cyberspace is also known as Virtual Reality .It is an unreal world in which communication occur over network.Some consider cyberspace as uncontrolled and unregulated electronic space where anyone is free to do anything as they wish and express themselves freely..This provides a space for criminals.
11. Define the following terms
Trademark
Copyright
Trademark
A trademark identifies the brand owner of a particular product or service.It is a distinctive sign that identifies certain goods or services as those produced or provided by a specific person or enterprise. It may be one or a combination of words, letters, and numerals. They may consist of drawings, symbols,three- dimensional signs such as the shape and packaging of goods, audible signs such as music or vocal sounds etc. It helps consumers identify and purchase a product.
Copyright
Copyright is a legal right that grants the creator of an original work exclusive rights for its use and distribution.This is usually only for a limited time. Copyright is a form of intellectual property.They are considered as territ torial rights, which means that they do not extend beyond the territory.In India copyright Act came effect from January 1958.Under Indian Copyright Act , a work is automatically protected by copyright when it is created.Copyright registeration is handled by Copyright Office under Ministry of HR Development.
The copyright act safeguards the following
It prohibits reproduction in any form.
Public performance and broadcasting.
Translation into other languages.
Adaptation of novel as screenplay or film.
12. Name the following
a. Satellite based Navigation system
b. Service used to send messages with multimedia content
c. Packet oriented mobile data service on GSM
d. Smart card technology used only in GSM phone systems.
Ans.
a. GPS
b. MMS
c. GPRS
d. SIM
13. List and explain popular mobile communication technologies
A communication which does not depend on the physical connection between devices is called mobile communication.It includes SMS,MMS,GPS etc.
1)SMS(Short Message Service)
Short Message Service(SMS) is a text messaging service.It is a data application used by mobile phone users.SMS uses ‘store and forward’ mechanism. When an SMS is sent it reaches the SMSC (Short Message Service Center),from there it is send to the recipients.
SMS messages are send using the SS7(Signalling System No.7).
2)MMS(Multimedia Messaging Service)
MMS is a standard way to send and receive message consisting of multimedia content using mobile phones.It extends SMS capability to send text messages.There is no limitation in the size of MMS messages.
3)GPS(Global Positioning System)
GPS is a satellite based navigation system.It is used to locate geographical position.It is designed and operated by U.S department of defence. GPS works in any weather conditions, anywhere in the world. There are no subscription fees or setup charges to use GPS.
4)Smart Cards
A smart card is a plastic card embeded with a computer chip and memory.It is secure ,intelligent and convenient.Smart card technology is used in SIM for GSM mobile phones.It is inserted or integrated into mobile phones.The card stores information and helps to identify subscribers.ATM cards,fuel cards etc are different forms of smart cards.
14.Write a short note on geographical indication
GI are signs used on goods that have a specific geographical origin and
possess qualities or a reputation that are due to that place of origin. Agricultural
products typically have qualities that derive from their place of production and are
influenced by specific local factors, such as climate and soil. A geographical indication points to a specific place or region of production that determines the characteristic qualities of the product that originates therein. It is important that the product derives its qualities and reputation from that place. Place of origin may be a village or town, a region or a country.
15. Write the following terms
Cyber Forensics
Infomania
Cyber Forensics
Computer forensics is the application of investigation and analysis techniques to gather and preserve evidence from a particular computing device in a way that is suitable for presentation in a court of law. OR Computer forensics is the practice of collecting, analysing and reporting on digital data in a way that is legally admissible.
Infomania
Infomania is the state of being overloaded with information from the Internet, email, and cell phones.It is the excessive enthusiasm for acquiring knowledge.
16. What is copyright? How does it differ from patent?
Business logistics is the management of flow of goods(resources) in a business between point of orgin and point of consumption to meet customer requirements.The resources may include products,food etc.The objective of business logistics is to ensure availability of right products in right quantity and condition at right place and time.It includes
a)Purchase of materials from supliers.
b)Transportation of materials.
c)Movement of finished goods to customers.
The complexity of logistics can be reduced by using hardware and software.RFID(Radio Frequency Identification) technology is used to identify and track objects in logistics.It consists of a RFID tag and reader.The tag contains a microchip for storing data and for sending and receiving data.Tag can be either active(battery powered) or passive(powered by reader).RFID tags are used in supermarkets,payments in tool booths,animal census etc.The use of RFID in business helps to track the movement of products.This helps to maximise on time delivery,improve customer service etc
16. What is copyright? How does it differ from patent?
A copyright is a legal right given to the creators for an original work, usually for a limited period of time. Copyright applies to a wide range of creative, intellectual or artistic forms of works which include books, music, painting, sculpture, films, advertisement and computer software. This covers rights for reproduction, communication to the public, adaptation and translation of the work.
A patent is an exclusive right granted for an invention. It provides protection for the invention to the owner of the patent. The protection is granted for a limited period. Patent protection means that the invention cannot be commercially made, used, distributed or sold without the patent owner's consent. A patent owner has the right to decide who may - or may not - use the patented invention for the period in which the invention is protected.
17.Briefly explain the application of RFID technology in the field of business logistics
a)Purchase of materials from supliers.
b)Transportation of materials.
c)Movement of finished goods to customers.
The complexity of logistics can be reduced by using hardware and software.RFID(Radio Frequency Identification) technology is used to identify and track objects in logistics.It consists of a RFID tag and reader.The tag contains a microchip for storing data and for sending and receiving data.Tag can be either active(battery powered) or passive(powered by reader).RFID tags are used in supermarkets,payments in tool booths,animal census etc.The use of RFID in business helps to track the movement of products.This helps to maximise on time delivery,improve customer service etc
