5392557
| Pregunta | Respuesta |
| INPUT DEVICES | >WEBCAM >MICROPHONE >GRAPHICS TABLET >MOUSE |
| WHAT IS AN MP3 | >COMPRESSED SOUND FILES >FILES ARE QUICK TO TRANSFER |
| WHAT IS AN MIDI AND WHAT IS ITS PURPOSE? | AN MIDI IS A MUSICAL INSTRUMENT DIGITAL INTERFACE ITS PURPOSE IS TO ALLOW INSTRUMENTS TO COMMUNICATE WITH EACH OTHER CONNECTED THROUGH A COMPUTER WHICH ALLOWS YOU TO EDIT, SAVE AND PLAYBACK |
| WHAT IS A STAR NETWORK? NAME ITS ADVANTAGES AND DISADVANTAGES | IN A STAR NETWORK EACH DEVICE HAS ITS OWN CABLE THAT CONNECTS TO A HUB ADVANTAGES: >VERY RELIABLE IF ONE DEVICE BREAKS DOWN THE OTHERS CONTINUE TO WORK >HIGH PERFORMING BECAUSE NO DATA COLLISIONS CAN OCCUR DISADVANTAGES: >EXPENSIVE TO INSTALL >IF A HUB FAILS ALL CONNECTION TO DEVICES WILL HAVE NO CONNECTION |
| WHAT IS A RING NETWORK? NAME ITS ADVANTAGES AND DISADVANTAGES | IN A RING NETWORK EACH NETWORK IS CONNECTED TO TWO OTHER DEVICES ADVANTAGES: >TRANSFERS DATA QUICKLY BECAUSE THERE IS NO DATA COLLISIONS DISADVANTAGES: >IF THE MAIN CABLE FAILS THEN THE WHOLE NETWORK WILL FAIL |
| WHAT IS A BUS NETWORK? NAME ITS ADVANTAGES AND DISADVANTAGES | A BUS NETWORK IS WHEN ALL DEVICES ARE JOINED TO ONE CABLE ADVANTAGES: >EASY TO INSTALL >QUITE CHEAP TO INSTALL BECAUSE IT DOESN'T REQUIRE MUCH CABLE DISADVANTAGES: >IF THE MAIN CABLE FAILS THE WHOLE NETWORK FAILS >THE MORE WORKSTATIONS THE SLOWER THE NETWORK AS THERE ARE MORE DATA COLLISIONS |
| WHAT IS THE INTRANET? | THE INTRANET IS A PRIVATE NETWORK USUALLY USED BY COMPANIES |
| WHAT IS THE EXTRANET? | THE EXTRANET IS THE SAME AS AN INTRANET HOWEVER IT CAN BE ACCESSED FROM PEOPLE OUTSIDE THE COMPANY |
| NAME THIS INTERFACE AND ITS ADV&DISADV | COMMAND LINE INTERFACE IT ALLOWS A USER TO INTERACT WITH A COMPUTER USING COMMANDS ADV-THEY CAN RUN MANY PROGRAMMES, LITTLE STORAGE SPACE NEEDED DISADV-INEXPERINCE USER WILL FIND THE INTERFACE HARD TO USE |
| WHAT IS THIS INTERFACE AND IT'S ADV AND DISADV | MENU-DRIVEN INTERFACE ADV-NO NEED TO LEARN A LOT OF COMMANDS SO IT IS IDEAL FOR BEGINNERS DISADV-POOR DESIGNED INTERFACE CAN BE SLOW |
| WHAT IS THIS INTERFACE & ITS ADV AND DISADV | GRAPHICAL USER INTERFACE (GUI) ADV-EASY TO NAVIGATE DISADV-TAKES UP A LOT OF MEMORY |
| ADVANTAGES OF VOICE RECOGNITION | >SPEECH INPUT IS MUCH FASTER THAN TYPING >NO NEED TO LEARN TO TYPE >FASTER TO ISSUE COMMANDS |
| DISADVANTAGES OF VOICE RECOGNITION | >TAKES TIME FOR A COMPUTER TO UNDERSTAND THE WAY A PERSON SPEAKS >BACKGROUND INTERFERENCES >CAN'T USE IN QUIET ENVIRONMENTS LIKE A LIBRARY >MAY NOT RECOGNISE WORDS THAT SOUND THE SAME E.G TWO TO |
| TWO ADVANTAGES OF USING ICT SYSTEMS TO STORE AND PROCESS DATA | >DATA IS EASILY SHARED >DATA IS EASIER TO BACK UP >DATA CAN BE EDITED MORE EASILY |
| TWO DISADVANTAGES OF USING ICT SYSTEMS TO STORE AND PROCESS DATA | >LOSS OF DATA DUE TO POWER CUTS >COPYRIGHT ISSUES >RELIANCE ON NETWORKS, NETWORK MAY FAIL >SECURITY ISSUES- VIRUSES >HACKING |
| WHAT IS THE PERSISTANCE OF VISION? | WHEN THE HUMAN EYE CONTINUES TO SEE THE IMAGE AFTER ITS DISAPPEARED FOR SHORT AMOUNT OF TIME |
| NAME THE ANIMATION TECHNIQUE THAT IS USED TO GENERATE THE INBETWEEN FRAMES | TWEENING |
| NAME THE ANIMATION TECHNIQUE THAT IS USED TO TRACK THE FRAME-BY-FRAME MOTION OF AN OBJECT | ONION SKINNING |
| WHAT IS ROTOSCOPING? | TRACING OR DRAWING AROUND THE IMAGE |
| WHAT IS STOP MOTION | MAKING A SLIGHT CHANGE TO A FRAME SO WHEN YOU PLAY THE ANIMATION BACK IT APPEARS AS IF THE IMAGE IS MOVING |
| GIVE 3 SERVICES AVAILABLE AT AN ATM | >CASH >CHECK BALANCE >CHANGE PIN NUMBER >TRANSFER MONEY |
| GIVE TWO ADVANTAGES OF AN ATM TO THE CUSTOMER | >PROVIDES 24 HOUR SERVICE >ACCESS THEM AT MANY LOCATIONS >CUTS DOWN QUEUES IN BANKS SO ITS FASTER FOR THE CUSTOMER |
| GIVE TWO ADVANTAGES OF AN ATM TO THE BANK | >SAVES ON STAFF COST >ALLOWS STAFF TO CONCENTRATE MORE ON OTHER WORK >SAVES ON BUILDING COSTS |
| WHAT IS A HTML | A HTML IS A LANGUAGE USED TO CREATE A WEBPAGE |
| WHAT IS THE UNIQUE ADDRESS FOR EVERY WEBSITE ON THE INTERNET CALLED? | URL |
| IN ORDER TO ALLOW PEOPLE TO VIEW A WEBSITE OVER THE INTERNET IT MUST BE.. | HOSTED ON A WEBSERVER |
| WHAT IS MEANT BY A HOTSPOT? | IT IS AN IMAGE OR AREA USED TO LINK YOU TO A WEBPAGE |
| HOME PAGE? | MAIN/FIRST PAGE OF A WEBSITE |
| HYPERLINK? | A LINK THAT DIRECTS A USER FROM ONE PART OF A WEBSITE TO ANOTHER OR ONE WEBPAGE TO ANOTHER |
| LEADERBOARD? | A BANNER USED FOR ADVERTISING |
| WHAT IS THE PURPOSE OF THE GOLDEN TRIANGLE? | TO ENSURE THE WEBSITE GETS AS MUCH VISITORS AS POSSIBLE BECAUSE IT IS THE PLACE WHERE MOST PEOPLE LOOK FIRST |
| WHAT IS A STORY BOARD? | A STORY BOARD IS A PLAN WHICH INVOLVES A SCENE BY SCENE DISCRIPTION FOR AN ANIMATION |
| STATE 5 PRINCIPLES OF THE DATA PROTECTION ACT | >DATA MUST BE ACCURATE AND KEPT UP TO DATE >DATA MUST BE DELETED WHEN NO LONGER NEEDED >DATA MUST BE ADEQUATE, RELEVANT AND NOT EXCESSIVE >DATA MUST BE FAIRLY AND LAWFULLY PROCESSED >DATA MUST NOT BE TRANSFERRED OUTSIDE EU COUNTRIES WITHOUT ADEQUATE PROVISON |
| STATE TWO EXEMPTIONS OF THE DPA (DATA PROTECTION ACT) | >IF IT PREVENTS CRIME >PERSONAL DATA THAT CONSISTS OF EDUCATIONAL RECORDS >PERSONAL DATA RELATING TO A PERSONS PHYSICAL OR MENTAL HEALTH >ADOPTION RECORDS |
| STATE A CRIME BY THE COMPUTER MISUSE ACT AND DECRIBE THE CONSEQUENCE AND A METHOD OF PREVENTION | >HACKING, INDETITY THEFT, ENCRYPTION >FRAUD, FINANCIAL LOSS, ANTI-SPYWARE SOFTWARE |
| NAME 3 RECENT DEVELOPMENTS OF ICT SYSTEMS HAVING AN IMPACT ON HOW PEOPLE WORK | >WIFI >VIDEO CONFERENCING >TABLETS >TELEWORKING |
| LIST THE ADVANTAGES AND DISADVANTAGES OF ICT SYSTEMS HAVING AN IMPACT ON WORK FOR THE EMPLOYEES | ADVANTAGES: >LESS TIME AWAY FROM HOME >GREENER, LESS POLLUTION >IDEAL FOR DISABLED DISADVANTAGES: >LESS FACE TO FACE CONTACT >SOME TELEWORKERS ARE PAID LESS THAN OFFICE WORKERS >WEAK SIGNALS CAN MAKE IT HARD |
| ADVANTAGES AND DISADVANTAGES TO THE EMPLOYER | ADVANTAGES: >SAVES OFFICE SPACE >MEETINGS CAN BE HELD ANYWHERE IN THE WORLD DISADVANTAGES: >LOSS OF PERSONAL CONTACT WITH EMPLOYEES >INITIAL COST OF SETTING UP EQUIPMENT AT HOME |
| WHAT ARE THE FOUR FEATURES OF A GUI | 'WIMP' >WINDOWS >ICONS >MENUS >POINTERS |
| ADVANTAGE OF BIOMETRICS | UNIQUE TO EACH INDIVIDUAL |
| TOUCH SENSITIVE | SAVES WORK SPACE AS NO KEYBOARD OR MOUSE ARE REQUIRED |
| WHAT IS A SWITCH? | A SWITCH LOOKS AT EACH PACKET OF DATA AND SENDS IT TO THE COMPUTER IT WAS INTENDED FOR |
| WHAT IS A GATEWAY? | A GATEWAY LINKS TO DIFFERENT NETWORKS (E.G LAN AND WAN) |
| WHAT IS A BRIDGE? | A BRIDGE LINKS TO SIMILAR NETWORKS (E.G LAN TO LAN) |
| TWO ADVANTAGES OF COMPUTER NETWORKS OVER STANDALONE COMPUTERS | >SHARE SOFTWARE >SHARE HARDWARD >EASY TO MONITOR THE NETWORK ACTIVITY >CAN ACCESS WORK FROM ANY COMPUTER >HAS A CENTRAL BACKUP |
| GIVE A DISADVANTAGE OF NETWORKS OVER STANDALONE COMPUTERS | >IF ONE SERVER IS DOWN ALL OTHER STATIONS ON THE NETWORK ARE AFFECTED |
| WHAT IS AN INTRANET | A CLOSED PRIVATE NETWORK |
| WHAT IS AN EXTRANET | > AN EXTERNAL ACCESS TO THE INTRANET |
| advantage of data logging | accurate readings data collected automatically can be used in dangerous situations No human interaction required operates 24/7 |
| disadvantage of data logging | initial cost of equipment |
| One use of an expert system in medicine | helps diagnose illness |
| 2 advantages of using an experts system | >can be kept up to date >more accuarate (diagnosis) >Doesn't forget like a (doctor) |
| disadvantages of using and expert system | >lack of human touch >not 100% accurate >over reliance on the system |
| 3 tasks carried out by robots and 3 advantages of using robots | 3 tasks: spray painting, assembling parts and carrying heavy parts >robot doesn't get bored of doing repetitive jobs >saves on employment costs >work 24/7 |
| disadvantage of using robots over humans | >Loss of human jobs >high initial starting cost >maintenance costs |
| what is meant by an operating system? | A software that runs a computer system |
| 3 functions of an operating systems | >enables software to run >maximises the use of memory >deals with errors |
| Name a type of banner | Leaderboard |
| what is the golden triangle and why do websites ensure they are in it? | The golden triangle is an area of a webpage a user focuses on when a search engines results are displayed. Websites want to be in it to ensure they get the most traffic as possible. |
| name a device that could be used to draw an image on a computer | >joystick >mouse >graphics tablet >stylus pen >interactive whiteboard |
| what is meant by a bitmap graphic? | an image made up of pixels |
| what is a bitmap image? | Made up of pixels. It has a large file size. When enlarged they lose quality. |
| what is a vector image? | Made up of objects, files size is small and when enlarged it doesn't lose quality |
| what is meant by optimising images and give an advantage | optimising images is reducing the file size of the image an advantage is that it saves memory and storage space |
| storage devices | >usb >SD card |
| what is a WAN | Wide Area Network. it covers wide areas and is expensive to install and run |
| What is a LAN? | Local Area Network. It is usually located in a single building. It is cheap to install and run |
| Advantages of a network over standalone computers | >share hardware >share software >central back up |
| disadvantage of networks | >network manager may need to be employed so it is expensive >if server is down all stations are affected >initial costs of services can be expensive |
| what is the internet | A huge group of networks joined together. Each of these networks consists of lots of smaller networks |
| How do supermarkets use PoS systems? | A barcode is scanned and the price of the product is displayed on the screen. This will deduct one from the stock level to compare the number in stock with the restock level. If the stock level goes below a certain number then there is an automatic reorder |
| Other than W.I.M.P name 3 other different features of a GUI | >tutorials >customised desktop >colour >task bar >on screen keyboard |
| two exemptions from the Data protection act | >Prevents a crime >Adoption records >capture of offenders >educational records or social work >examination marks >personal data relating to some ones physical or mental health |
| Name a suitable format for downloading music from the internet | mp3 |
| Give on advantage of the format and one disadvantage | >files are compressed -Loss of quality |
| What is the purpose of validation? | It checks data is sensible |
| Name two validation techniques | Hash total- meaningless data Batch total-data with a purpose Presence check Range check Format check |
| 1)Name one example of data collected for banking, 2)describe how the data is input 3)describe what information is out put from banking and 4)state the method used | 1)ATMS:PIN 2)KEYPAD 3)BALANCE CHEQUE 4)Real time processing |
| 1)Name one example of data collected in e-commerce 2)how the data is input 3) what is the output 4)what is the method used | 1)Bank card detail 2)mouse, keyboard.. 3)A receipt is sent to customer through email 4)real-time transaction processing |
| 1)Name one example of how data is collected in payroll 2)name the input 3)the output 4)state the process | 1)Hours worked 2)Timesheets 3)payslip 4)Batch processing |
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