paperback. Condition: New. Paperback. Pub Date: 2021-08-01 Pages: 164 Language: Chinese Publisher: China Railway Publishing House This book is written in combination with the development status of information technology. the national computer grade examination (level 1) examination outline. and the information technology level outline of Shanghai universities . The book has 4 chapters in total. mainly including operating system and network application. text information processing. electronic form processing. presentati.