2023 BTEC First l2 online world Unit 2 Exam Questions 100% Answered

Most computers store data on an internal hard disk. Identify the type of media used by the hard disk shown in the photograph. - ANSWER-Magnetic Computer data is representation using binary notation. Select the binary representation with a value of 9. - ANSWER- Identify the base 10 number represented by . - ANSWER-7 A geography teacher has decided to create some resources to help her students revise for their exams. She has decided to create a series of podcast. Name the input device that would be essential for the teacher to create the podcasts. - ANSWER-Microphone Name the output device students would need to use the podcasts for revision. - ANSWER-headset The table shows part of a school's database. The database is used to store details of students. Identify the correct data type for the BusPass field. - ANSWER-Boolean Identify the correct data type for the ContactTelephone field. - ANSWER-String Computer software can be custom-made to suit a client's exact requirements or it can be purchased from retailers 'off-the-sheft'. Identify two advantages of purchasing 'off-the-shelf' software. - ANSWER-It is available immediately Product support will be readily available 24/7 The diagram illustrates the main internal components of a computer system. Identify the missing components - ANSWER-A=Data Bus B=Memory/RAM State the purpose of the Address Bus. - ANSWER-The Address Bus transports memory addresses. One role of the operating syste is to manage system security. The animation shows a utility feature of an operating system. Identify the utility feature shown in the animation. - ANSWER-Firewall Explain the process carried out by the utility feature shown in the animation. - ANSWER-Incoming traffic is monitored and threats are filtered from entering the system. All program code must be translated into machine code before it can be run. Identify the software that is used to translate source code into machine code. - ANSWER-Compiler Identify the type of language that has been used to produce the source code. - ANSWER-Assembly language Sccott runs an online business and wants to provide his customers with up to date pricing information on his products. Identify the software application that Scott would use. - ANSWER-Web-authoring software Scott uses his laptop to calculate sales figures and discounts for special offers. Which application should Scott use to carry out calculations? - ANSWER-Spreadsheet software Jane is considering buying a new smartphone. She has narrowed down her options to three phones that are similarly priced. The table shows an extract from the specifications for each of the smartphones. Phone 2 has less talktime than phone 1 or phone 3. Explain one reason why the specification of phone 2 limits talktime. - ANSWER-Phone 2 has a full HD display which means it has many more pixels that have to be updated which requires power is a drain on the battery Ali is a media studies student and has to create and work with large image and video files. She has £200 to spend and is looking at a laptop. The specification of the laptop is shown. Ali decides not to buy the laptop. Identify two problems with the laptop specification that led to Ali's decision. - ANSWER-The Processor (is slow). The Graphics card (has low memory).