3 Complete the sentences. Use: instructions, designed, weigh, took up, feature, coast, arithmetic, enter.
1 A calculator is a machine that can do advanced
2 ENIAC was huge and a whole room.
3 You can
text onto the screen by using
a keyboard
4 This computer's best is its large memory.
5 Mauchly and Eckert
ENIAC for the US
army,
6 Most laptops today very little, so it's
easy to carry them around.
7 The Antikythera Mechanism was found off the
of a Greek island.
8 Babbage's Analytical Engine could follow
that it received on cards.​

Complete the conversation with the Present simple or Present continuous form of the verbs.

A Welcome to summer camp! There are six beds in this room!

B I (want) one next to the window!

C And I (need) 2 one near the door!

D Tina! What (are you doing) 3

B I am (putting) my things on this bed and the one next to it.

D Why?

B Because Becky (is talking) 5 to the instructor now, and I (am keeping) this bed for her.

D OK, but you (have got) an extra pillow on your bed and I (have not got)

any. Can you give it to me?

B Sure! Here you are!

Complete the conversation with the Present simple or Present continuous form of the verbs.

A Welcome to summer camp! There are six beds in this room!

B I (want) one next to the window!

C And I (need) 2 one near the door!

D Tina! What (are you doing) 3

B I am (putting) my things on this bed and the one next to it.

D Why?

B Because Becky (is talking) 5 to the instructor now, and I (am keeping) this bed for her.

D OK, but you (have got) an extra pillow on your bed and I (have not got)

any. Can you give it to me?

B Sure! Here you are!