DUMBARTON ACADEMY NATIONAL 5 COMPUTING SCIENCE REVISION

Transcription

1 DUMBARTON ACADEMY NATIONAL 5 COMPUTING SCIENCE REVISION NAME

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, 85-86, 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 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 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 pg 36 4, pg 42 20c,d, pg 54 1, pg 54 8, pg 57 15b,d, pg 62 19d DA/SPTA 2

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, 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 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 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) pg 48 24c, pg 49 24g, pg 54 4, pg 62 19h, DA/SPTA 3

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 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 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 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 pg 37 10, pg 60 18a,b,c, DA/SPTA 4

5 Security Precautions Keypoints - anti-virus software, passwords, encryption, biometrics, security protocols, firewalls, security suites 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 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 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 67-69, pg 38 16, pg 50 25b,c, pg 66 22c, DA/SPTA 5

6 Data Types Keypoints - variables, data types (integer, real, string, Boolean), data structures (array), 67, 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, 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, 64-66, pg 37 9, Design of Programming Constructs Keypoints - sequence, selection, iteration in pseudocode or programming language of your choice 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 DA/SPTA 6

7 Input Validation Keypoints - writing out in pseudocode using either WHILE or DO UNTIL loop, code in VBE 20 pg 43 21b, pg 60 17c, pg 66 22e, Graphical Environment Coding pen_down() REPEAT 4 TIMES move(100) turn(90) END REPEAT pen_up Output 100 pixels Direction of first move Starting point Useful Links %20Vers%206%20-%2027%20Feb%202013/index.html DA/SPTA 7

8 My Action Plan DA/SPTA 8