Computers For Smart People by Robert S. Swiatek

By Robert S. Swiatek

A normal booklet on computing, with emphasis on what programming involves.

Table of contents
1. parts of language
2. Our programming language
3. dossier makeup
4. A file program
5. dossier access
6. application abends
7. the net account display
9. extra Modifications
10. Assigning values
11. Updating fields
12. Programming standards
13. The zip code file
14. Programming creativity
15. including files and calling a program
16. The known as application and using
17. Fuzzy math
18. Deleting accounts
19. universal statements
20. Arrays
21. Down within the dumps
22. Base systems
23. Sorting bubbles
24. A software in action

Show description

Read Online or Download Computers For Smart People PDF

Best video production books

Poser 7 Revealed: the eFrontier Official Guide

You can now triumph over each one crucial function of puzzle 7! Poser 7 printed is helping you boost the abilities you want to create, render, and animate scenes and tasks utilizing the superb instruments provided via Poser 7. This hands-on consultant offers you step by step tutorials for every job, by means of tasks that let you use every one new ability by yourself.

ActionScript 3.0 Game Programming University

Research ActionScript three. zero the thrill method, by means of growing sixteen nice video games: actual, strong video games - not only ''web toys''!   Highly-rated ActionScript instructional, now with seven new 3D and card video games! Code and methods simply adaptable to education, advertisements, and extra For Flash artists studying ActionScript, Flash programmers looking to create video games, and upgraders from ActionScript 1.

Flash CS5.5 : the missing manual

You could construct every little thing from uncomplicated animations to full-fledged iOS and Android apps with Flash CS5. five, yet studying this complicated software will be difficult—unless you might have this absolutely up to date, bestselling advisor. the best way to create beautiful Flash results whether you haven't any programming event. With Flash CS5.

Creating Flash Widgets with Flash CS4 and ActionScript 3

This publication indicates you ways to create Flashwidgets with a few of the new gains brought in Flash CS4 and ActionScript3. zero. It additionally indicates you the way effortless it really is to make your widgets to be had on socialnetworkingsites like fb and MySpace, whereas whilst exploringhow to advertise and earn cash off of them.

Extra resources for Computers For Smart People

Sample text

I’m sure you’ve seen numerous examples of technological processes that seemed to be working when in actuality nothing was happening. That was just what was taking place with the purchase order system daily backup and there was no suitable backup. Fortunately, the office where I worked – at the 26 time – had the purchase order system still on their computer. Well, had is the operative word because one of my co-workers deleted it there. He didn’t do a backup first but simply eradicated it. As you can guess, that wasn’t very intelligent.

To update last name, enter 2 and enter 3 to update the account balance. Entering 0 will give you the opportunity to enter another account number. 2) define error-msg character(60) value spaces screen erase screen(1,25) “Account number inquiry / update” screen(3,20) “account number:” screen(5,17) “1. last name:” screen(7,17) “2. first name:” screen(9,20) “middle initial:” screen(11,20) “street address:” screen(13,20) “city:” screen(15,20) “state:” screen(17,20) “zip code:” screen(19,17) “3. ” go to input-number else error-msg = “account file read problem; program ending – press enter” go to end-program end-if end-if get-change: screen(21,1) erase “key 1 (last name), 2 (first name), 3 (balance) or 0 (next)” screen(21,60) input field-no screen(24,1) erase valid-input = 0 if field-no = 1 perform input-last-name until valid-input = 1 else if field-no = 2 perform input-first-name until valid-input = 1 else if field-no = 3 screen(19,36) input new-balance update-switch =1 else if field-no = 0 perform update-check else screen(24,20) field-no “ is invalid” 55 end-if end-if end-if end-if update-check: if update-switch = 1 read acctfile update if acct-status = 3 screen(24,20) “that record is unavailable – no update done” else if acct-status > 0 error-msg = “update problem; program ending – press enter” go to end-program else balance = new-balance first-name = new-first-name last-name = new-last-name write acctfile if acct-status > 0 error-msg = “update problem; program ending – press enter” go to end-program end-if end-if end-if end-if input-last-name: screen(5,36) input new-last-name screen(24,1) erase if index(new-last-name, name-string) = 1 valid-input = 1 update-switch = 1 else screen(24,20) “invalid characters in the last name – try again” end-if input-first-name: screen(7,36) input new-first-name screen(24,1) erase if index(new-first-name, name-string) = 1 valid-input = 1 update-switch = 1 else screen(24,20) “invalid characters in the first name – try again” end-if end-program: screen(24,20) error-msg input end 56 To start with, we have the new variables, field-no, new-last-name, new-first-name, new-balance, update-switch, valid-input, and the structure name-string.

After all you don’t want a file designed that requires long waits by the users in getting at the data. You also don’t need redundant data, as a field that occurs twice in the file just uses precious space. You also don’t want to keep changing the file definition month after month. This means time needs to be spent on analysis and design. In our account file our key may actually be larger than we need but that is something that needs research. I recall a system that I worked on that had three positions for a transaction code when two might have been sufficient since there weren’t any transaction codes bigger than 99.

Download PDF sample

Rated 4.12 of 5 – based on 40 votes