UNIT 1 WHAT IS A COMPUTER? 2 WHAT IS HARDWARE AND WHAT IS SOFTWARE? 3 INPUT: TAKING IN INFORMATION 4 OUTPUT: PRESENTING THE RESULTS 5 NATURE OF AN OPERATING SYSTEM 6 MAKING DOS DO SOMETHING 7 WINDOWS 8 SOME TERMS AND ACTIONS IN MICROSOFT WINDOWS 95 9 A BRIEF INTRODUCTION TO NETWORKS 10 COMPUTER VIRUSES 11 WHICH IS THE BEST MODEM, INTERNAL OR EXTERNAL? 12 THE DATABASE 13 WHAT IS THE INTERNET? 14 COMPUTERIZED TRAFFIC CONTROL 15 COMPUTER CAPABILITIES AND LIMITATIONS 16 THE 20 VOLUME OXFORD DICTIONARY WILL NOW FIT INTO YOUR POCKET APPENDIXES Ⅰ. WORD FORMATION Ⅱ. READING MATERIALS Ⅲ. GLOSSARY