Test yourself The following notes summarise this chapter, but they have missing words. Using the words below, copy out and complete sentences A to M. Each word may be used more than once. software ROM information hardware — desktop output CPU input’ = RAM _— backing ~—_ applications A Computer systems consist of two main parts, hardware and B_ The physical components of a computer system are called © The is a piece of hardware that is the brains of the computer and it turns data into D Computer hardware is useless without the _ which is used to give it instructions as to what to do. E There are two types of software called system software and software F A computer which has a full-sized keyboard and full-sized screen and is normally used in one place is called a computer. 6 devices such as the keyboard and mouse are used to input data into the computer for processing. H After data has been processed, the results of processing are passed to a(n) device. 1 Storage which is not memory is called storage. J is fast temporary memory where programs and data are stored only when the power is supplied. K is fast permanent memory used for holding instructions needed to start up the computer. L is held on a computer chip and is called non- volatile memory because it does not lose its contents when the power is turned off. M _____ is held on a computer chip and is called volatileQUESTIONS B 1 The diagram represents a computer's main components: ma B Tl D 1 For each of these components, match it with a letter in the diagram above »» Processor and internal »» Secondary storage memory devices devices b> Output devices >» Input devices (4 marks) 2 ROM and RAM are both types of internal computer memory. a i What do the letters ROM stand for? (1 mark) What do the letters RAM stand for? (1 mark) b Tick one box next to each item below to show which statements apply to ROM and which to RAM. (4 marks) Contents are lost when the computer is turned off Contents are not lost when the computer is turned off Stores the programs needed to start up the computer Stores application programs and data currently being used 3 a Explain why it is important that a computer has a large amount of RAM and ROM. (2 marks) b Computers contain RAM and ROM. Explain what ROM would be used for in a computer. Explain what RAM would be used for in a computer. (4 marks)EXAM AND EXAM-STYLE QUESTIONS 1 (Choose three tasks from te list below that are cried out by system software: Renaming file Deciding where to store data ona hard disk drive Undetinng text in 8 word-processing package Cropping a picture Loading 2 fle from the disk dive 81 Give three tasks (other than those in Qt) Performed by system sofware. 81 1b Some printers come with device dver software Give one purpose of device diver software. (1) ite down the name ofthe piace of system software that carries out each ofthe folowing by matching the name 19 the corect description vay Device diver crear orn © Sonevwnecn e Tick Tue or False next to each of these statements. Which three of the following tasks are caried out by all operating systems? Transferring data toa printer ‘locating storage space ona cisk Positioning text in a word-processing document Finding a database record Accepting keyboard input ‘Adding colour to drawing on screen (3h 6 Give three functions ofan operating system 13) 7 There are two types of intemal memory called OM and RAM, Describe the diferences between OM and RAM. ia) '8 Complete each sentence using one item from the list: Router Outout ‘Microphone Communication Row Sofware Processor RAM Input sowsone means the progams thet supply the Instructions tothe hardware to tell it what tod, devices such as keyboards, mice, and Scanners are used to supply data to the computer rove NES are hardware Such as printers, speakers, and screens. ss s memory which is used to hold the boot progam needed to star the computer up when first sited on Js memory held on 8 chip that can have its contents changed by the user. 5) 9 Graphical user interfaces are very popular particularly \ith tablets and smartphones. Give two advantages of a tablet compared to @ laptop computer. 2 1b Give two disadvantages ofa tablet compared to 2 laptop computer. 12) (© Give thee features ofa graphical user interface. (3) 10 Give two examples of tasks that are completed by robots 2 411 Washing machines are assembled by robots in a factory. Tick thee advantages in using robots rather than humans ‘to assemble washing machines 81 12 Describe the diferenoes between a CLI (Command Line Interface) and a GUI (Graphical User Interface). [4] (Cambie GCSE tntrnation and Cornea Technology (0817/21 413 Oey" 2033)QUESTIONS A 41 a Which six of the following are input devices? Graphics tablet Digital sull camera Colour laser printer Magnetic hard disk drive Mouse CD ROM drive Microphone Web cam Speakers Photocopier LCD screen Touch screen (6 marks) b Name two output devices given in the choices above. (2 marks) Explain the purpose of an input device. (a mark) Give the names of two input devices that would be used by a desktop computer. (2 marks) ‘© Give the name of one input device that would be found on a laptop computer that you would not find on a desktop computer. (4 mark) oo 3 Laptop computers enable people to do work or keep in touch when they are travelling. Name two input devices typically used with a laptep: computer. (2 marks) 4 Name two items in this list which are used as input devices. 3D printer inkjet printer temperature sensor motor touch screen dot matrix printer web cam laser printer buzzer (2 marks) 5 Laptop computers usually use a touch pad rather than a mouse for pointing and making selections. Explain why laptops use a touch pad rather than a mouse. (2 marks) 6 Match each input device with the correct use. Input device Use a Keyboard 1 Used to enter a PIN when making a purchase ’b Remote control Used when checking the depth of water in a container © Touch sereen iii For inputting a hand-drawn drawing into the computer d Numeric keypad iv Used to make selections on tablets and some smartphones Pressure sensor v_ Used as the input for an air conditioning unit to keep the temperature of a room constantQUESTIONS C 1 Write down the names of five items ftom the following ist 3 Describe three cifferenoes between a laser printer and an that are used as output davies: inkjet printer (3 maris) Temperature sensor Touch screen Speakers 4 Touch screens are both input and output devices. Nukineispojctar —_Jstick Web cam Desube one application whet a touch screens sed as Pressure sensor Buzzer Mouse arenes Ga) ie sercoderetee Moor 3 APOE ong users but te paras apie and they have the choice of te following antes: (5 marks) Laser printer 2 Maoh each uu die onthe et wth the cont se ie iter ‘onthe ight. Dot met printer Outpt device Use a Descbe the advantages and disedvantages ofeach of Multimedia A large monitor used by older these types of pnts (6 marks) heer ato b oa ne think they should aes ” uzer Used when checking te depth of Remelunncney) ene ‘water in @ container ligt Used for utputinglage poste, mags and plans Wide format printer A thin ightvght monn Dot matrix printer Used to make presentations to a lange audience CRT monitor Used for producing mit: part imoices TFI/LCD monitor ‘Used as an alert on smartphones (7 marks)Gow res oN 1. Here isa list of devices that may be attached to a computer system: LCD monitor keyboard portable harddrive mouse touch pad laser printer flash/pen drive microphone digital camera ‘speakers web camera (CD ROM drive {8 Write down the names of all the output devices in the above list List wo other output devices net in the above list. © Give the name of one input device that is not included in the list above. 2 a Give twouses for each ofthe following input devices in a personal computer 1 mouse ii microphone Til digital camera Give the names of four output devices and give one use for each of them. 3 Copyand complete the table below. 4 Touch screens can often be seen at tourist information offices, Describe what a touch screen is and how it works. b. Give one advantage of using a touch screen as an input device for use by the general public rather than using a monitor and a mouse. 5 There are a number of different printers, each with thelr own advantages and disadvantages, The names of these printers are listed here: Laser printer Inkjet printer 3D Printer Identity the name of the printer being described for each one of the following: 2 Aprinter which is used in offices for printing lots of documents in a short period of time, 'b An inexpensive printer that is ideal for the home which can print in colour as well as black and white. © Aprinter which sprays the ink onto the page. d__Thetype of printer where you have to be careful not to smudge the damp printouts as they ‘come out the printer 2 The type of printer which uses a toner cartridge, f The printer which is cheap to buy but which has high running casts owing te the high cost of the ink cartridges, 2 Aprinter that dentists can use to print crowns, bridges, implants, and false teeth for their patients, [3] [2] fa) [5] [8] {10} [ [ 1 ] tt (1) a) fa) (1) a) iTest yourself The following notes summarise this chapter, but they have missing words. Using the words below, copy out and complete sentences Ato 0, Each word may be used more than once input touch pad —keyboard ~—microphone scanner optical character recognition laser ‘output sensors. = mouse digital touch RFID ‘A. Devices used to get data from the outside world into the computer are called __ devices. B_ The most common input device, which comes with all computers, is the i © A____isused to move a pointer or cursor around the screen and to make selections when a desktop computer is used. D_ Where space is restricted, such as when @ laptop is being used on yourknee,@_is used instead of a mouse. E are used primarily with games software, F Invoice recognition systems a_i used as the input device. G The device used to input text and images is called a H_ Special software can be used to recognise the individual letters in a scanned piece of text and this, iscalled __. 1 Cameras that do not use film and can transfer an image to the computer are called cameras. J A(n)____ reader reads the data contained in a chip at a distance and can be used at passport/ border control and also at libraries. Quantities such as temperature and pressure can be detected and measured using ___. Printers and monitors are examples of __ devices. The type of printer that is very fast and uses a toner cartridge is called @___printer. A cheaper printer, which squirts a jet of ink at the paper, is called a(n) printer. Screens are sometimes used as an input device for multimedia systems and are popular for information points to be used by the general public.EXAM AND EXAM-STYLE QUESTIONS 1 Ring two items which are output devices. (2) Blu-ray disk Wide format printer Scanner Optical mark reader Mutimedia projector Web cam 2 raw fourlines on the diagram to mateh the input device to its most appropriate use. (5) Input device Use Scanner For recording narration to be sed with 2 presentation Touoh sereen For digitizing an old photograph so it can be put on a website Chip reader —_—Forinputting selections when buying a tain toket Microphone Reading information on 2 credit/debit card 3 Complete each sentence using one item from the list. [4 laser Dot matin Wide format printers Projectors Speakers Inklet_ Motors Touch screens © aes printers are printers that use continuous statonery > ‘are used when very large hard copy is required. e ‘are used with tablets and smartphones for both input and output ‘ printers are used fo the printing of high ‘quality photographs, 4A payroll office, whieh prints out large numbers of paysips ‘every month, has decided to instal 8 new prnter. Discuss the advantages and disachantages of using a laser printer, ‘an inklet printer or dat matrix printer inthis fice. (6) (Cambeige16CSE formation and ConmaneatanTectnoley (0417/13 420 dcvNow 2010) 5 Name the input devioes A.B, C and D using the words from the list. 64k Chip wader Digital camera Joystick Light pen Microphone Remote contro Scanner Tackerball ay (Cambie ISCSE Infomation ond Commeneaton Technol (0417/13. y/Nov 2010), 6 7 Here isa list of devices used with computer systems: Pressure sensor Touch sereen Wide format painter Mouse RFID reader Magnetic ink character reader (MICR) Laser printer Motor Light Barcode reader Light sensor ‘2 Write down the names ofall he devices inthe ist hich are input devices. m7 'b Write down the names of all the davices io thelist hich are output devices, 1 © Write down the name ofthe device inthe list mast suited for performing each ofthe following tasks: 1 Determining whether the liquid in 3 large vessel is at ‘the correct level Wi Printing outa large-scale plan of a house tobe used by builder. {i For scanning goods in qucky ata supermarket checkout. |v For giving the inswuetion to tum on the lights outside ' house automaticaly when it goes dark ¥ Used for raising a bartierin an airport car park after ‘the number plat has been read and matched that a payment nas been made. 151 Identity two devices which are used in control systems to output data. 2 {Cambridge OCS Infomation and Communication eco (0617/11 2 May/tue 2014) ‘2 State whatis meant by OMR and OCR. 2) bb Compare and contrast the use of OMR, OCR keyboard as methods of data entry 161 (Cambri GCSE neration and Communication eal (0417/11 95 Oevnov 2012)EXAM AND EXAM-STYLE QUESTIONS 1. Ring two items which ee storage media Flash memory card Graph plotter ocr ome Touch pad (2) (Comtiige GCSE formation and Communication Tetroagy (0417/13 42 OeyNor 2010) Magnetic disc 2. A student wants to transfer wor rm a computer in school to theirhome computer ‘Thay have the choice of using a CD ora pen dive Give three reasons why a student would choose a pen dive rather than a OD, 8) 3 Name the methods of storage A, B,C and D using the words from the ist. Barcode Chip DVD RAM Graphics tablet Light pen Magnetic dise Magnetic tape Pen drive 4) (Combsige 608 fomaton and Communication Teroagy 0417/14 01 May/4ne 2010) 4 Avwebsite designe as the choice of backing their work up using either pen hve or a portable had isk Give two advantages of using the portable harddisk for backup. 2 5 Give two advantages ofa fked magnet hard cise ‘compared to an optical aise to store dat, 2) (Caminile 16S information and Communication Technology (0417/11 8 hey/Sone 2014) 6 Draw four lines to match each storage medium tothe most appropriate use in this list. Storage medium Use Fived hard disc To transfer files from one computer to another DvD ROM Batch processing applications Pen drive To store operating ystems Magnetic tape Publishers disuibuting encyclopaedias (4) (Combe GCSE tomatin and Connicatn ecnolagy 0417/1 6 Mayme 2013) 17 Optical aiscs and magretic tapes are bot used to stare computer data. Give two uses of optical discs and foreach use give a reason wy they ae prefered to magnetic tapes. (4) (Cambie 16CSEifarmation and CommuncatonTectotogy (0417/11 gt May/ne 2013)EXAM AND EXAM-STYLE QUESTIONS 1 Complete each sentence below sing oneitem from thelist i ‘hub Anintranet_ =A proxy server AWAN = AWLAN 15 8 davice used to connect computers together to form a LAN. Dorn 8 obo with resctod access. e can alow networked computers to connect tothe intemet, 4 | a wireless local area network {Cambie ICSE tfomaton ond CommuncatonTeehnolety 0417/1295 Moysore 2010) 2 Aftab and his family hve three computers in ther home. He wants to connect the computers into @ network. Explain ‘hy be would need: Arovter Abrowser Email An ISP 14 Cantie ISS oration and Communication Terangy 417/11 912 May/ne 2010 3. Asma ofice has four stand-alone computers. ‘The office manager wants to connect the computers together to form @ LAN. Name a network device which would have tobe presen in each computer before they could be notworked. a Give two reasons wry a WLAN would be preferable to 2 cabled LAN. 2 © Give two reasons wty the manager should nat use Bluetooth technology to create the network 2) 4 The companys worker are concerned that thir aya data may not be secure as resut ofthe computers bang networked. Expain why the workers are concerned. 16) € Give three actions thatthe office maneger could take to ensure data securty BI Cant I3CSE norman ad Communication Fechraagy 0417/13 914 Geo 2010 4 Describe five differences between a WAN and LAN, 1 5 a Explain hat is meant by the tem Bluetooth, 1) bb Name thee devices that could be linked to a computer using Bluetooth Br 6 Companies with offices allover the word use video- conferencing rather than face-to-face meetings. 8 Tick three edvantages of video-conferencing, (3) 7 Tick Tue or False next to each ofthese statements (5) 8 Compare and contrast the use ofa desktop computer and a smartphone to access the internet. 15) ‘8 Most schoo! computer networks have a rotor and switchs. Explain what is meant by a switch. (2) Describe the pupose ofa route. 21 {among 1ecSe ntamaton and ConmuieatonTeolagy (0417/11 413 May/Sone 2014) 410 Describe the benefits and drawbacks to companies of using video-conferncing (51 {Coma GCSE tfornton and Cammurieaton Technolgy 0417/11 g10 Oxter 2022)Test yourself The following notes summarise this chapter, bu they have missing words. Using the words belo, copy out and complete sentences At S Each word maybe used mor han once intemet intranet router Wi-Fi attachments ‘synchronise local network interface card ‘encryption Bluetooth broadband WLAN wide wireless download bridge spyware antivius passwords ‘A. With communication, the data travels through the ait rather than through cables. B An intemal network which makes use of web pages and web browser softareis called an __ © Acard that connects direct to the motherboard ofthe ‘computer and has etemal sockets so thatthe computer can be connected to a network via cables called a D_ A arcvare device thats used to connect local area netarts togeters called 3 E ___aea networks are those networks that are rested to, singe bulging site F ___ ares networks ae siuated across a wide seogaphicl area. & A ardvare deve tat allows Several computers to share @ singe internet conection iscalled @_. Aisa wide area netnork that uss wireless communication rather than cabies, A hotspots an area wheres arable. A harcware device that takes @ packet of data and reads the adress information to determine the fina éestnation of the packets called @ {5 method sed to transfer data ve short stances from fxed and mobile dices. Bluetooth can be used to _ the music on your home computer and your portable music payer so the tracks stored on each are the same, The letter W in WLAN stands for Key logging software records keystrokes made and isan example of _. Cre card details are scrambled before sending overthe imemet. This process sealed __and prevents hackers being able to understand the infomation it intercepted, In order to preven viruses entering an IT system, _ Sofware shoul be Used to sea for and destroy viruses. Users shouldbe tld not to open _t0 emails unless they know who they are from, Users should also be told to _ music and games only from trusted sites. To protet te data stored in networks, users and__ shouldbe used to prevent unauthorised access.