Cambridge AssessmentCANDIDATENAMECENTRECANDIDATENUMBERNUMBERCOMPUTER SCIENCE0478/12Paper 1 Computer SystemsFebruary/March 20231 hour 45 minutesYou must answer on the question paper.No additional materials are needed.INSTRUCTIONS.Answer all questions.Use a black or dark blue pen.You may use an HB pencil for any diagrams or graphs.Write your name,centre number and candidate number in the boxes at the top of the page.Write your answer to each question in the space provided.Do not use an erasable pen or correction fluid.Do not write on any bar codes.Calculators must not be used in this paper.INFORMATIONThe total mark for this paper is 75.The number of marks for each question or part question is shown in brackets[]No marks will be awarded for using brand names of software packages or hardware.This document has 16 pages.Any blank pages are indicated.DC(EF)313505/3©UCLES2023[Turn over21 Computers can be infected with malware.Spyware is one example of malware.(a)Tick()one box to show a correct definition of spyware.ASoftware that activates a webcam and transmits the video to a third partythat outputs it live on a website.BSoftware that detects when a password is being entered and then emailsthe password to a third party.C Software that records all data entered into a computer,analyses this datato find email addresses and passwords,then posts these to a website.D Software that records all key presses and transmits these to a third party.(b)Complete the table by identifying and describing two other examples of malware.MalwareDescription12[6]©UCLES20230478/12/F/M233(c)Proxy-servers and firewalls have some similar functions.Identify two similarities and one difference between proxy-servers and firewalls.Similarity 1.Similarity 2Difference©UCLES20230478/12/F/M23