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|Additional Physical Format:||Print version:
Fry, T.F. (Thomas Frederick).
|Material Type:||Document, Internet resource|
|Document Type:||Internet Resource, Computer File|
|All Authors / Contributors:||
T F Fry
|Description:||1 online resource (252 pages) : illustrations|
|Contents:||Front Cover; Data Processing; Copyright Page; Table of Contents; PART 1 : Data processing principles; Chapter 1. Introducing data; Data; Data processing; Data processing system; Information; Data: where from?; Data: types of record; Data processing operations; Data recording and processing in practice; Data processing methods; Exercises; Chapter 2. Data: some characteristics; Structure of data; Types of data; Identification of data; Types of code; Data origination and capture; Recording data; Data preparation; Data storage; Exercises; Chapter 3. Data processing systems; What is a system? Relationship between systems within the organization as a wholeSystems structure; Elements of a system; Data processing objectives; Other considerations; Exercises; Chapter 4. Data processing methods; Manual processing; Accounting machines; Punched card systems; Electronic calculators; Computers; Exercises; PART 2: Data processing practice; Chapter 5. Introducing computers; Analogue computers; Digital computers; Basic elements of a computer; Types of digital computer; Exercises; Chapter 6. Representing data in a computer; Binary arithmetic; Conversion from decimal to binary notation Conversion from binary to decimal notationBinary fractions; Principles of binary arithmetic; Binary coded decimal; Octal number system; Hexadecimal number system; Alphabetic characters in binary; Exercises; Chapter 7. Data input; Punched cards; Punched paper tape; Magnetic ink character recognition (MICR); Badges; Key-to-tape; Key-to-disc; Teletype terminals; Visual display units; Microcomputer input; Acoustic (voice) input; Exercises; Chapter 8. Output; Printers; Visual display units; Digital increment plotter (graph plotter); Acoustic output; Exercises; Chapter 9. Computer storage Central processor storeExternal storage; Storage back-up systems; Exercises; Chapter 10. Processing by computer; Exercises; Chapter 11. Processing modes; Batch processing; Factors affecting other operating modes; Time sharing; Real-time systems; Distributed processing; Microcomputer processing; Exercises; PART 3. Systems and software; Chapter 12. The computer data processing system; Factors influencing structure of computer system; Development of a computer system; Exercises; Chapter 13. Checks and controls; Batch controls; Check digit verification; Verification; Parity check; Validation Checks on reading, writing and transfer of dataSecurity of data and program files; Exercises; Chapter 14. Computer languages and programs; Low-level languages; High-level languages; FORTRAN (FORmula TRANslator); Algol (ALGOrithmic Language); COBOL (COmmon Business Oriented Language); PL/1 (Programming Language 1); Types of program; Exercises; Chapter 15. Program elements and structures:developing a program; Program elements; Program structures; Development of a computer program; Exercises; Chapter 16. Organization of a data processing department; The data processing manager|