£0
- Brand: Hodder Education
- Sku: SK95655UK
- Availability: In Stock
✔️Immediate download
✔️Highlighting, editing, saving and printing are available
✔️The same content as in a hardcover book
✔️Search for words within the text
✔️For any PDF file viewers and devices
How to download
Register on this website and pay for your selected book.
After you have paid, go to "My Account"-"Downloads" section. There you will see a PDF file. Download and open it. It contains a link to download your book. Click on the link and download your book.
You can send us a message that you want to receive the book to your e-mail, and a link to download the book will also be sent to your e-mail.
About the book:
Publisher: Hodder Education
Author (s): Graham Brown and Brian Sargent
Pages: 371
Edition: 2021
Language: English
Size: 25 Mb
Content:
Introduction v
1 Data processing and information 1
1.1 Data and information 1
1.2 Quality of information 7
1.3 Encryption 9
1.4 Checking the accuracy of data 16
1.5 Data processing 25
2 Hardware and software 42
2.1 Mainframe computers and supercomputers 42
2.2 System software 52
2.3 Utility software 57
2.4 Custom-written software and off-the-shelf software 61
2.5 User interfaces 63
3 Monitoring and control 67
3.1 Monitoring technologies 67
3.2 Control technologies 73
4 Algorithms and flowcharts 85
4.1 Algorithms 85
5 eSecurity 104
5.1 Personal data 104
5.2 Malware 113
6 The digital divide 120
6.1 What is the digital divide? 120
6.2 Causes of the digital divide 121
6.3 Groups affected by the digital divide 123
6.4 The effects of the digital divide 129
6.5 Reducing the effects of the digital divide 133
7 Expert systems 135
7.1 What is an expert system? 135
7.2 Different scenarios where expert systems are used 137
7.3 Chaining 142
8 Spreadsheets 147
8.1 Create a spreadsheet 148
8.2 Test a spreadsheet 206
8.3 Use a spreadsheet 211
8.4 Automate operations with a spreadsheet 221
8.5 Graphs and charts 222
9 Modelling 233
9.1 Modelling 233
9.2 Simulations 247
9.3 Using what-if analysis 251
10 Database and file concepts 255
10.1 Database basics 255
10.2 Designing the database structure 263
10.3 Creating the database structure 265
10.4 Creating a relational database from existing files 271
10.5 Querying the database 273
10.6 Sorting and grouping data 293
10.7 Creating a data entry form 296
10.8 Designing a switchboard 301
10.9 Importing and exporting data 303
10.10 Normalising data 304
10.11 Creating a data dictionary 309
10.12 File and data management 310
11 Sound and video editing 317
11.1 Video editing 317
11.2 Audio editing 332
Glossary 346
Index 354