Complete the fact file below with the past simple passive form of the verbs brackets.
1)It (not power) by electricity - it was mechanical.
2)The first electronic digital computer (build) in 1943 in Britain.
3)It (call) Colossus and it (use) for decoding enemy messages in the war.
4)Businesses began to use computers in the 1950s but computers (not sell) in shops until the earty 1970s.
5)The frist desktop computers (develop) in the late 1970s.
6)Internet access via a modem (add) in the 1990s, but wireiess access (not add) to most compiters until about 2000.
1)It (not power) by electricity - it was mechanical.
2)The first electronic digital computer (build) in 1943 in Britain.
3)It (call) Colossus and it (use) for decoding enemy messages in the war.
4)Businesses began to use computers in the 1950s but computers (not sell) in shops until the earty 1970s.
5)The frist desktop computers (develop) in the late 1970s.
6)Internet access via a modem (add) in the 1990s, but wireiess access (not add) to most compiters until about 2000.
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2)The first electronic digital computer (was built) in 1943 in Britain.
3)It (was called) Colossus and it (was used) for decoding enemy messages in the war.
4)Businesses began to use computers in the 1950s but computers (were not sold) in shops until the earty 1970s.
5)The frist desktop computers (were developed) in the late 1970s.
6)Internet access via a modem (was added) in the 1990s, but wireless access (was not added) to most compiters until about 2000.