Контрольная работа для студентов 3 курса по специальности Прикладная информатика

I variant
1. Дополните предложения подходящими по смыслу словами:
1) …. can infect your files and corrupt your hard drive.
2) Most … is designed to obtain personal information without the user’s permission.
2. Напишите термины со следующими значениями:
1) a friend list or contact list ________
2) artificial reality; a 3-D space generated by the computer ________
3. Дайте развернутые ответы на следующие вопросы:
1) What is your favourite search engine to find information on the Web? Why?
2) Have you ever listened to the radio or watched TV online? (If not explain why)
3) What security features are offered by Mozilla Firefox?
4. Составьте предложения из следующих слов:
1) information, you, when, security, confidential, crucial, is, online, send
2) program, a, is, horse, a, useful, disguised, as, Trojan, a
II variant
1. Дополните предложения подходящими по смыслу словами:
1) Users have to enter a … to gain access to a network.
2) You can download … from the Net; this type of software is available free of charge but protected by copyright.
2. Напишите термины со следующими значениями:
1) at a fixed price _________
2) a central system that provides information about whether users are online and passes instant messages between them _______
3. Дайте развернутые ответы на следующие вопросы:
1) Do you use the Web to do college assignments or projects? How?
2) Which program do you use to chat with friends? Why?
3) Why is security so important on the Internet?
4. Составьте предложения из следующих слов:
1) open, if, attachments, strangers, don’t, you, to, email, want, PC, you, protect, from
2) can, via, Internet, the, a, disc, virus, a, or, via, drive, PC, a, enter
III variant
1. Дополните предложения подходящими по смыслу словами:
1) A … protects a company intranet from outside attacks.
2) This company uses … techniques to decode (or decipher) secret data.
2. Напишите термины со следующими значениями:
1) happening immediately and without delay _____
2) characters used when interacting with people online _______
3. Дайте развернутые ответы на следующие вопросы:
1) Do you talk to strangers during web charts? Why shouldn’t you?
2) How can we protect our email and keep it privat?
3) How does a worm spread itself?
4. Составьте предложения из следующих слов:
1) with, spyware, downloads, is, most, included, and, “free”, adware
2) sites, time, tab, different, buttons, the, let, at, view, you, same
IV variant
1. Дополните предложения подходящими по смыслу словами:
1) Encoding data so that unauthorized users can’t read it is knows as….
2) A … is a person who users their computer skills to enter computers and networks illegally.
2. Напишите термины со следующими значениями:
1) a program that allows you to make voice and video calls from a computer _____
2) the same as electronic retailer, or online store ______
3. Дайте развернутые ответы на следующие вопросы:
1) In what ways can a virus enter a computer system?
2) What is your favourite way to chat on the Internet? Why?
3) Do you buy things online? Is it better to buy online or go to a shop? Why?
4. Составьте предложения из следующих слов:
1) refresh, you, when, page, can, won’t, a, current, load, page, the, web
2) list, the, to, checks, are, of, see, server, buddy, your, contacts, also, on, if, your, any, logged