Prereading discussion (Oldindan muhokama qilish)


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Lesson 2


Prereading discussion

(Oldindan muhokama qilish)
1. A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data.
2. I learned about computers through a school computer science textbook.
3. When I was 15 years old.
4. There are three important reasons why we may want to use a home computer.

We can upgrade the parts, which is cheaper than buying a new laptop. ...

• Powerful home computers are cheaper than powerful laptops. ...

• They're much better for gamers.


5. No. I don't like playing on the computer.
6. I don't play games.
7. I work on the computer 7-8 hours a day.
8. Knowledge of English will help to work on some programs on computer.
9. Knowing English increases chances of getting a good job in a multinational company within home country or for finding work abroad. It’s also the language of international communication, the media and the internet, so learning English is important for socialising and entertainment as well as work!
10. Hard work and talent are important in the success of becoming a computer master.
11. I learn English and computer at home and in university.
12. Because working on a computer makes our work easier.
13. I do not know. I have not thought about it yet.
QUIZ




cursor

indicator

kursor






network

system of computer

tarmoq






download

to copy

yuklab olish






virus

infection

virus






browser

explore the internet

brauzer






cracker

burglar

kraker






hit

stumbling block

urish






authenticate

confirm

autentifikatsiya






emoticon

illustrator

kulgich






boot

start up

yuklash






server

central computer

server






modem

connecting device

modem






glitch

error

nosozlik






compress

to shrink

siqish






pixel

picture element

piksel






link

related site

havola






scanner

machine that reproduces images

skaner






log on

gain access

tizimga kirish






shareware

trial software

shareware






gigabyte

unit of storage

gigabayt





SENTENCES

  1. A network of railways has spread over the province.

  2. The downloads are all in this folder.

  3. The software checks your hard drive for viruses.

  4. A train hit their car.

  5. I was authenticated on the social network twitter.

  6. The laptop has a modem set up to link into an absolutely secure system.

  7. Each monitor creates images with tiny dots of light called pixels.

  8. You can join the lesson using the link below.

  9. My computer has a 500 Gigabyte (GB) hard drive.

  10. Back button in your browser to return to this page.



PLUSES AND MINUSES OF COMPUTER
PLUSES OF COMPUTER
Multitasking

Multitasking is one of the major advantage of computer. Person can perform multiple task, multiple operation, calculate numerical problems within few seconds.


Speed


Now computer is not just a calculating device. Now a day’s computer has very important role in human life. One of the main advantages of computer is its incredible speed, which helps human to complete their task in few seconds. All the operations can be performed very fast just because of its speed else wise it takes a long time to perform the task.

Cost/ Stores huge amount of data


It is a low cost solution. Person can save huge data within a low budget. Centralized database of storing information is the major advantage that can reduce cost.

Accuracy


One of the root advantage of computer is that can perform not only calculations but also with accuracy.

Data Security


Protecting digital data is known as data security. Computer provide security from destructive forces and from unwanted action from unauthorized users like cyber attack or access attack.

MINUSES OF COMPUTER


As we know advantage comes with disadvantage.

Virus and hacking attacks


Virus is a worm and hacking is simply an unauthorized access over computer for some illicit purpose. Virus is being transferred from email attachment, viewing an infected website advertisement, through removable device like USB etc. once virus is transferred in host computer it can infect file, overwrite the file etc.
For example: Huge portion of internet was going down including Twitter, Netflix, Reddit and CNN in October 2016 because the largest DDoS attack was launched on service provider DYN using IoT Botnet.

Online Cyber Crimes


Online cyber-crime means computer and network may have used in order to commit crime. Cyber stalking and Identity theft are the points which comes under online cyber-crimes. For example: one may get the access of the access to your shopping account like amazon account now that person will be able to know your personal details like debit card or credit card number which can be than misused.


Reduction in employment opportunity


Mainly past generation was not used of the computer or they have the knowledge of computer they faced a big problem when computer came in field. As we have seen in banking sector senior bank employees faced this problem when computer came to the banking sector. Above were the main disadvantage of computer, no IQ, Dependency, No feeling, Break down are the basic disadvantages of computer.
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