На странице ответы на Страница 134 из учебника по информатике для 7 класса Босовой
Across the curriculum
Keyboard
1 Match the keys on this keyboard with the words from the box.
shift
escape
@
directional keys
hyphen
enter
delete
space bar
2 Which key do you use when you want to …
1 write a letter in capital letters?
2 remove a word?
3 make a space between two words?
4 write the symbol for at in an email address?
5 join two words together, like brown-eyed?
6 exit from a program that is not working correctly?
7 start a new line?
8 move the cursor up or down, left or right?
Computer viruses
3 Read the questions about computer viruses How many of the questions can you answer?
1 What is a virus?
2 How do you get a virus in your computer?
3 How does a virus spread?
4 How many computer viruses are there?
5 What damage does a virus do?
6 How can you stop viruses damaging your files?
4 Match the questions from exercise 3 with these answers.
a) The most common way to get a virus is through an email attachment.
b) You can try to stop them with anti-virus software.
c) It spreads by attaching itself to files.
d) There are tens of thousands and more every minute.
e) It is a program that prevents a computer from working normally.
f) Some virus damage is insignificant but some can destroy or change the data or the programs.
Across the curriculum
Keyboard
1 Match the keys on this keyboard with the words from the box.
shift
escape
@
directional keys
hyphen
enter
delete
space bar
2 Which key do you use when you want to …
1 write a letter in capital letters?
2 remove a word?
3 make a space between two words?
4 write the symbol for at in an email address?
5 join two words together, like brown-eyed?
6 exit from a program that is not working correctly?
7 start a new line?
8 move the cursor up or down, left or right?
Computer viruses
3 Read the questions about computer viruses How many of the questions can you answer?
1 What is a virus?
2 How do you get a virus in your computer?
3 How does a virus spread?
4 How many computer viruses are there?
5 What damage does a virus do?
6 How can you stop viruses damaging your files?
4 Match the questions from exercise 3 with these answers.
a) The most common way to get a virus is through an email attachment.
b) You can try to stop them with anti-virus software.
c) It spreads by attaching itself to files.
d) There are tens of thousands and more every minute.
e) It is a program that prevents a computer from working normally.
f) Some virus damage is insignificant but some can destroy or change the data or the programs.
Starter unit
Unit 1
Unit 2
Unit 3
Revision 1
Unit 4
Unit 5
Unit 6
Revision 2
Unit 7
Unit 8
Unit 9
Revision 3
Across the curriculum