Level 3 Technical Level IT: CYBER SECURITY IT: NETWORKING IT: PROGRAMMING IT: USER SUPPORT Unit 1 Fundamental principles of computing Y/507/6424 Mark Scheme

Surname Other Names Centre Number Candidate Number Candidate Signature Level 3 Technical Level IT: CYBER SECURITY IT: NETWORKING IT: PROGRAMMING IT: USER SUPPORT Unit 1 Fundamental principles of computing Y/507/6424 Thursday 16 May 2019 Morning Time allowed: 2 hours At the top of the page, write your surname and other names, your centre number, your candidate number and add your signature. [Turn over] INSTRUCTIONS • Use black ink or black ball-point pen. • Answer ALL questions. • You must answer the questions in the spaces provided. Do not write on blank pages. • Do all rough work in this book. Cross through any work you do not want to be marked. • If you need more space use the additional pages at the back of this booklet. INFORMATION • The marks for questions are shown in brackets. • The maximum mark for this paper is 80. There are 50 marks in SECTION A and 30 marks in SECTION B. • Both sections should be attempted. ADVICE • In all calculations, show clearly how you work out your answer. • Use diagrams, where appropriate, to clarify your answers. • You are expected to use a calculator where appropriate. • You are reminded of the need for good English and clear presentation in your answers. DO NOT TURN OVER UNTIL TOLD TO DO SO SECTION A Answer ALL questions in this section. Which logic gate reverses the input? Tick () ONE box. [1 mark] AND NOT OR XOR Which value is exactly 1 gibibyte? Tick () ONE box. [1 mark] 1000 megabytes 1000 gigabytes 220 bytes 230 bytes [Turn over] mnemonics. structured English. symbols. Examines all packets of data coming into the network. Prevents users clicking on suspicious email attachments. Stops spam from clogging up the network. Warns the network administrator about Botnet attacks. [Turn over] programming language? Tick () ONE box. [1 mark] Assembled Fourth generation (4GL) High-level Low-level *0* In the data processing cycle raw data is transformed into useful information. . Add the missing word to complete FIGURE 1. [1 mark] FIGURE 1 . Automatic Number Plate Recognition (ANPR) systems input an image of a number plate to the data processing cycle. This image is then processed using Optical Character Recognition software. State what useable information the processing produces. [1 mark] [Turn over] *09* A disk defragmenter is an example of a utility program. . Give TWO other examples of utility programs. [2 marks] Example 1