... Lan Anh Nguyen/ ESP/HNUE 1 Unit 1 What is a computer? When you read the following text, you will probably meet words and expressions ... eliminate the other choices? 1. Computers have changed the way in which many kinds of jobs are done. 2. Instructions and data must be given to the computer to act on. 3. Computers are machines capable ... example below. 1. Computers accept information, perform mathematical and/or logical operations then supply new information. 2. All computers have three basic capabilities. 3. A computer is a...