User manual VTECH PRECOMPUTER POWERPAD COURSE

[. . . ] 1 CHAPTER 2 GETTING STARTED . . . . . . . . . . . . . . . . . . . . . . . . 2 MAIN BATTERY INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 BACKUP BATTERY INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 AC ADAPTOR CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Computer programs are written in a programming language. BASIC is one of the languages that both a human and a computer understand and so BASIC can be used to write a program that a computer can carry out for you. WHY SHOULD I LEARN TO USE A COMPUTER? Computers can to be done, by done to do the do this requires to get started. do many things if they are given instructions. For a particular job a person or a machine, we must specify the steps which must be job. The computer becomes an extension of our capabilities. To us to learn how to talk to our computer. This chapter will help you WHAT IS THIS CHAPTER FOR? This chapter is a step-by-step guide for understanding programs and learning to use the computer language called BASIC. WHO IS THIS CHAPTER FOR? This guide is written for students and adults who have little or no computer experience. With a little time and effort you will discover that there is nothing difficult about learning to talk to a computer. WHAT IF I MAKE A MISTAKE? Don't worry about making a mistake, this program allows you to experiment. The more you experiment, the more you will learn. The numeric (top row) keys are used for entering numbers. The letter keys are used for entering letters. When you are typing a line, but before you press ENTER, it will erase all that you have typed; or, if you are running a BASIC program, you can interrupt it by pressing this key. You can restart a program by typing CONT and pressing the ENTER key. When using the INPUT command, PRECOMPUTER POWER PADTM PLUS will ask you to supply it with some data from the keyboard. PRECOMPUTER POWER PADTM PLUS tells you it needs input with a prompt. The prompt is the "?" symbol and it appears on the display indicating that the computer is waiting for you to type something. The letters and numbers that you press will appear on the LCD screen. 31 THE LCD SCREEN The PRECOMPUTER POWER PADTM PLUS learning unit uses a Liquid Crystal Display (LCD) screen. Each line will display 20 characters at a time. The Left Arrow key and Right Arrow key are used to scroll the 20 character display window left or right, respectively. In BASIC, pressing the ENTER key allows you to see the next printed statement that your program is displaying. You need to do this so the output doesn't scroll off the end of the line. GETTING STARTED This activity lets you type in your own programs and run them. Follow these simple steps: 1) Turn on PRECOMPUTER POWER PADTM PLUS. [. . . ] Press the Hints key and select File Options. Choose load and the unit will ask you to load from the RAM cartridge or PC. Select yes and press the Hints key again and choose File Options. The unit will ask you to save file to RAM cartridge or PC. [. . . ]