We are living in the age of information and communication technology. Now-a-days telephone, mobile phone, fax machine, computer and internet are the main sources of contact. These sources have shortened the distances and have brought in contact the whole world. We should know what this Information and Telecommunication Technology is:
- components of information technology
- the transmission of:
- electric signals through wires
- radio waves through air
- light signals through optical fibres
- describe function and use of fax machines, cell phones, photo phone and computer.
- make a list of the use of E-mail and internet.
- describe the use of information storage devices such as audio cassettes, video cassettes, hard discs, floppy, compact discs and flash drive.
- identify the functions of word processing, data managing, monitoring and controlling.
| Short Question Answer | |
| Q-1: | Write two disadvantages of optical fibers. |
| Ans: | 1. Fiver optics is difficult to install 2. It is quite expensive |
| Q-2: | What do you mean by Information communication technology? |
| Ans: | Information and communication technology are the scientific methods and means to store, process and transmit vast amount of information is seconds with help of electronic equipment’s. |
| Q-3: | What is differentiate between data and information? |
| Ans: | Data: data are facts and figures that are used by programs to produce useful information .It may be no the form of text, graphic or figure that can be recorded and that have specific meaning. |
| Q-4: | Define information? |
| Ans: | In computer terminology, processed data is called information. Computer processes the data and converts it into useful information. |
| Q-5: | What is floppy disk? |
| Ans: | Floppy disk is made up of flexible plastic wager packed in plastic case. It is coated with magnetic oxides. It can store data from 1 to 3 MB. |
| Q-6: | Difference between the primary memory and secondary memory. |
| Ans: | Primary memory: 1. It has direct access to processor. 2. It has low capacity 3. It has very fast access. |
| Q-7: | Define telecommunication? |
| Ans: | The Method that is used to communicate information too far of places instantly is called telecommunication. |
| Q-8: | Define secondary storage devices. |
| Ans: | The Data store devices are generally secondary memory of the computer. It is used to store date permanently in the computer. |
| Q-9: | Write two advantages of optical fibers. |
| Ans: |
|
| Q-10: | Difference between RAM and ROM memories. |
| Ans: | RAM: it is based electronics and consist of integrated circuits is random access memory. It vanishes when the computer is switched off.It is a temporary memory. |
| Q-11: | What is flash drive? |
| Ans: | It is electronic device that consist of data storage ICs. A flash drive is a small storage device that can be used to transfer files from one computer to another. |
| Q-12: | Difference between hardware and software. |
| Ans: | Hard ware: 1. All touchable part of computer are called hardware. 2. Includes CPU, monitor, keyboard, Mouse etc. |
| Q-13: | Why CD is also called read only memory? |
| Ans: | Data stored on CD can only by read but cannot be erases.Therefore, CD memory is called read only memory. |
| Q-14: | What is super computer? |
| Ans: | The most powerful and swift computer which can send information in one thousand billionth part of a second is called supercomputer. It contains many processors. |
| Q-15: | What is E-commerce? |
| Ans: | E-commerce is the way of doing business on the web. We can order our favorite book or any other item on line, for instance, amazon.com has selling books, music and video successfully for years. |
| Q-16: | On which network system of cell phone consists of. |
| Ans: | i. Cell ii. Base stations iii. Mobile switching center. |
| Q-17: | What is the impact of ICT in education? |
| Ans: | ICT brought a resolution in the field of education and research. We can get easy approach to modern to modern and fresh knowledge through ICT. |
| Q-18: | What is operating system Give its example. |
| Ans: | The operating system is a software that manages our computer and the device connected to it. Example: i. Windows ii. Linux |
No comments:
Post a Comment