DUMBARTON ACADEMY NATIONAL 5 COMPUTING …

1 DUMBARTON ACADEMY NATIONAL 5 COMPUTING SCIENCE REVISION NAME _____ COMPUTING Science NATIONAL 5 Revision DA/SPTA 2 Data Representation Keypoints - binary numbers, floating point notation, mantissa, exponent, ASCII, unicode, character set, bit-mapped graphics, resolution, vector graphics, attributes, comparison of bit-mapped and vector graphics, How To Pass Study Guide Questions 85-86, 87-88 6-9 pg 36 1, 2, pg 42 20b, pg 54 3,pg 57 15a, Translation of High Level Languages Keypoints - machine code, high level languages, translators, interpreters, compliers, source code How To Pass Study Guide Questions 86-87 26-27 pg 44 21d, pg 54 7, Computer Architecture Keypoints - central processing unit, peripheral, control unit, arithmetic and logic unit, registers, random access memory, read only memory, address bus, data bus, control bus, interface How To Pass Study Guide Questions 83-84 28-29 pg 36 3, pg 54 5, pg 64 21a, Media Types and File Sizes Keypoints - standard file format, txt, rtf, wav, mp3, bmp, gif, jpeg, png, mpeg, avi, xls, csv, xml, pdf, colour depth, sampling rate, frame rate, storage calculations, need for compression How To Pass Study Guide Questions 109-114 50-53 pg 36 4, pg 42 20c,d, pg 54 1, pg 54 8, pg 57 15b,d.

2 Pg 62 19d COMPUTING Science NATIONAL 5 Revision DA/SPTA 3 Database Structure Keypoints - database, field, record, file, searching, sorting, ascending, descending, field types, key field, field length check, range check, restricted choice, presence check, flat-file database, relational database, linked tables, primary key, foreign key, How To Pass Study Guide Questions 97-99 42-45 pg 46 22a,b,c,e,f, pg 48 23g, pg 55 11, pg 63 20, Websites Keypoints - world wide web, hypertext markup language, browser, hyperlink, hotspot, components of uniform resource locator, navigation, search engines, internal, external hyperlink How To Pass Study Guide Questions 99-101 46-47 pg 38 14, 15, pg 48 24a,b,d, pg 49 24f, pg 61 19a, pg 62 19b,c, User Interface Keypoints - user interface, WIMP, user requirements (visual layout, navigation, selection, consistency, interactivity, readability, warnings and error messages, customising the interface, accessibility), type of user How To Pass Study Guide Questions 101-105 48-49 pg 43 21a, pg 56 13, pg 62 19e,f,g, Scripting, Mark-up Languages and Testing Keypoints - scripting language, macro, HTML, tags, JavaScript, testing (implementation match design, links, navigation, JavaScript)

3 How To Pass Study Guide Questions 105-108 54-55 pg 48 24c, pg 49 24g, pg 54 4, pg 62 19h, COMPUTING Science NATIONAL 5 Revision DA/SPTA 4 Types of Computer Keypoints - comparison of supercomputer, desktop computer, laptop, tablet, smartphone, input, output and storage devices, functions of interfaces, functions of operating system How To Pass Study Guide Questions 116-124 56-61 pg 36 5, pg 37 11, pg 39 18a, pg 46 22d, pg 56 14, pg 64 21c,d,e, Hardware and Operating System Requirements Keypoints - system requirements, processor type and speed, memory, hard disc, operating systems, application package, device driver How To Pass Study Guide Questions 115-116 62-63 pg 64 21b, Computer Networks Keypoints - stand-alone, networked, transmission media, bandwidth, unshielded twisted pair, coaxial cable, optical fibres, wireless, peer-to-peer network, clint/server network, local area network, Internet, dial-up connection, broadband connection, internet service provider, cloud storage How To Pass Study Guide Questions 125-128 64-65 pg 36 6, pg 39 18b, pg 41 19d, pg 55 9b,10, Security Risks Keypoints - phishing, keylogging, spyware, identity theft, online fraud, hacking, viruses, worms, trojans, denial-of-service attack How To Pass Study Guide Questions 128-131 66-69 pg 37 10, pg 60 18a,b,c.

4 COMPUTING Science NATIONAL 5 Revision DA/SPTA 5 Security Precautions Keypoints - anti-virus software, passwords, encryption, biometrics, security protocols, firewalls, security suites How To Pass Study Guide Questions 131-132 70-71 pg 36 7, pg 39 18c pg 49 24e, pg 61 18cii Legal Implications Keypoints - Data Protection Act principles, data subject, data users, data controllers, Computer Misuse Act, Copyright, Designs and Patents Act, Health and Safety Regulations, Communications Act How To Pass Study Guide Questions 133-136 72-73 pg 37 8, pg 47 23d, pg 55 9a, pg 57 15c, pg 61 18d, Environmental Impact Keypoints - energy use, disposal of IT equipment, carbon footprint How To Pass Study Guide Questions 136-138 74-75 pg 39 18d, e, Programming Constructs Keypoints - sequence, assignment, arithmetic operations, comparisons, selection, conditional statement, simple condition, IF, complex condition, AND, OR, NOT, Select Case, iteration, fixed loops, conditional loops, nested loops, pre-defined functions How To Pass Study Guide Questions 67-69, 73-74 12-17 pg 38 16, pg 50 25b,c, pg 66 22c, COMPUTING Science NATIONAL 5 Revision DA/SPTA 6 Data Types Keypoints - variables, data types (integer, real, string, Boolean), data structures (array)

5 , How To Pass Study Guide Questions 67, 75 10-11 pg 45 22b, pg 46 22c, pg 50 25d,e, pg 54 6, pg 59 16f, pg 65 22a,b, Testing, Errors in Programs and Readable Code Keypoints - syntax error, execution error, logical error, readable code, internal commentary, meaningful identifiers, indentation, normal, extreme, exceptional test data, How To Pass Study Guide Questions 66, 75-76 22-25 pg 37 12, 13 pg 38 17, pg 40 19b,c, pg 46 22e, pg 54 2, pg 58 16b, pg 59 16e, pg 60 17b, pg 66 22d, Design Notation Keypoints - plan, detailed logic, structure diagram, stepwise refinement, pseudocode, How To Pass Study Guide Questions 64-66, 76-77 18 pg 37 9, Design of Programming Constructs Keypoints - sequence, selection, iteration in pseudocode or programming language of your choice How To Pass Study Guide Questions 18-19 pg 40 19a, pg 42 20a, pg 44 21c, pg 45 22a, pg 49 25a, pg 56 12, pg 58 16a,c,d, pg 59 17a COMPUTING Science NATIONAL 5 Revision DA/SPTA 7 Input Validation Keypoints - writing out in pseudocode using either WHILE or DO UNTIL loop, code in VBE How To Pass Study Guide Questions 20 pg 43 21b, pg 60 17c, pg 66 22e, Graphical Environment Coding Output pen_down() REPEAT 4 TIMES move(100) turn(90)

6 END REPEAT pen_up Useful Links 100 pixels Direction of first move Starting point COMPUTING Science NATIONAL 5 Revision DA/SPTA 8 My Action Plan