Question 1

Question 1All computer systems can be split into three main components. These are shown in the following diagram.Complete the diagram below by adding the names of four different input devices and four different output devices.

Accepted Answer

The completed diagram showing four different input & output devices is given below:

Question 2

Question 2The diagram shows the main components of a computer system. R could represent :mouse or printerprinter or screenprinter or disc drivescreen or keyboard

Accepted Answer

printer or screenReason — The output unit uses devices like printer or screen to display output in user readable form.

Question 3

Question 3Q represents the central processing unit which consists of :processor and main storageinput devices and processorinput devices, output devices and backing storageall of the above

Accepted Answer

processor and main storageReason — The CPU consists of processor to process instructions given to the computer and main storage to store those instructions and intermediate results during the processing phase.

Question 4

Question 4Which one of the following is not a function of the CPU ?handling control functionsperforming arithmetical operationsstoring datafile management

Accepted Answer

storing dataReason — CPU is responsible for processing the given instructions which consists of handling control functions, performing arithmetical and logical operations and storing the data and instructions being processed. File management is usually handled by the operating system of the computer.

Question 5

Question 5Draw a diagram to show how these components are connected in an ICT system :ProcessInputOutputBacking Store

Accepted Answer

Below diagram shows an ICT system along with its different components:

Question 6

Question 6For the following situations advise which type of software you would use.Typing a letterCreating a graphKeeping a list of telephone numbersCreating a posterCreating an original imageEditing a digital photographComparing which mobile phone tariff is the best for youreading a webpage on the Internet

Accepted Answer

Typing a letterWord Processor SoftwareCreating a graphSpreadsheet SoftwareKeeping a list of telephone numbersSpreadsheet SoftwareCreating a posterPhoto Editing softwareCreating an original imagePhoto Editing softwareEditing a digital photographPhoto Editing softwareComparing which mobile phone tariff is the best for youSpreadsheet softwarereading a webpage on the InternetInternet Browser Software

Question 7

Question 7Arrange the following statements into the advantages or disadvantages of the different computers. (some of the statements can be used for more than one type of computer)1.Can use many different types of software2.Can only use very limited software such as email or diary events3.Portable4.Light to carry5.Fits in your pocket6.Around Rs.500007.Around £1500 - £2000 to buy8.Can easily be broken9.Easy to upgrade or expand10.Cannot upgrade11.Very difficult to expand12.Easy to steal13.No mouse but touch-pad or button control14.Stylus control15.Mouse control16.Ergonomically designed17.Uncomfortable to use for long periods of time18.Can run on electricity or battery19.Standard equipment for businesses, schools and home20.Not as powerful as a desktop PC21.Very strong22.Cost around Rs. 40000 to buy23.No keyboard - handwriting recognition used24.Difficult to move aroundDesk-Top PCNotebookPDAAdvsDisadvsAdvsDisadvsAdvsDisadvs124

Accepted Answer

Desk-Top PCNotebookPDAAdvsDisadvsAdvsDisadvsAdvsDisadvs1, 9, 15, 16, 19, 21, 2217, 241, 3, 13, 18, 6113, 4, 5, 142, 7, 8, 10, 12, 20

Question 8

Question 8Imagine you have an older friend who is moving away to University soon. He wants to buy a new computer to take with him - remembering of course that he must come home for every holiday. Which type of computer would you suggest ? Explain fully your answer - why would you suggest that type.

Accepted Answer

For my older friend who is moving away to university but will return home for every holiday, I would suggest a laptop as the ideal type of computer for the following reasons:Portability — Easy to carry between classes and home during holidays.Space-saving — Doesn't require separate peripherals like a desktop.Flexibility — Can be used for academics, entertainment, and socializing.Power efficiency — Energy-efficient for extended usage.Battery life — Decent battery life for on-the-go work.Homecoming convenience — Convenient to pack and carry during breaks.Access to university resources — Optimized for university platforms and materials.Future-proofing — All-in-one solution with built-in display and input devices.

Question 9

Question 1The physical components of the computer system are called ............... .SoftwareHardwareFirmwareLiveware

Accepted Answer

HardwareReason — Hardware refers to the physical parts of the computer; the ones that we can touch e.g., keyboard, monitor etc.

Question 10

Question 2The programs or instructions that tell the computer what to do, are known as ............... .SoftwareHardwareFirmwareLiveware

Accepted Answer

SoftwareReason — The programs or instructions that tell the computer what to do, are known as software.

Question 11

Question 3This part sends signals to other parts of the computer to tell them what to do.CPUMotherboardIconHard drive

Accepted Answer

CPUReason — Central Processing Unit sends signals to other parts of the computer to tell them what to do.

Question 12

Question 4Which one is the device that is the "brain" of a computer system?CPUCD-ROMMouseScanner

Accepted Answer

CPUReason — Central Processing Unit is the "brain" of a computer system.

Question 13

Question 5Computer ............... are the physical parts that make up a computer system. They are the parts that you can see and ............... .

Accepted Answer

Computer hardware are the physical parts that make up a computer system. They are the parts that you can see and touch.

Question 14

Question 6............... is used to provide instructions to the computer so that it can perform certain tasks.

Accepted Answer

Software is used to provide instructions to the computer so that it can perform certain tasks.

Question 15

Question 7............... are the raw facts from which ............... is derived.

Accepted Answer

Data are the raw facts from which information is derived.

Question 16

Question 8The ............... directs other components of the computer to perform the tasks specified in the program instructions.

Accepted Answer

The Control Unit directs other components of the computer to perform the tasks specified in the program instructions.

Question 17

Question 9Collecting the data and converting it into information is called ............... .

Accepted Answer

Collecting the data and converting it into information is called processing.

Question 18

Question 10Results are obtained from computer through its ............... unit.

Accepted Answer

Results are obtained from computer through its output	unit.

Question 19

Question 11............... is the most powerful computer.

Accepted Answer

Supercomputer is the most powerful computer.

Question 20

Question 12Computers are ............... than human beings.

Accepted Answer

Computers are faster than human beings.

Computer System

Application Oriented Questions

Objective Type Questions

Theoretical Questions