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7/30/2019 Quality Exam

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Quality AcademicInformation Technology

End of Term Exam (Christmas)

Instructions

1. Absolutely no writing should be done on the question paper.2. The use of calculators is PROHIBITED3. Answer the multiple choice questions on the sheet provided.

Shade as brightly as possible.


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1. A bit is a _________ digit.

a. Denaryb. Analogc. Binaryd. Small

2. A ______________ is a sequentially accessedmedium.

a. Disk driveb. Magnetic diskc. Magnetic taped. Tape drive

3. All of the following are examples of types ofcomputers except

a. Minicomputerb. Compaq computerc. Supercomputerd. Mainframe

4. A bank is establishing a new branch where itrequires tellers to use a computer simultaneouslyto attend to the processing of customer accounts.

Which of the following computer system is best

suited for this bank?

a. Minicomputerb. Mainframec. Micro Computerd. Supercomputer

5. Eight bits are called a __________.a. Wordb. Nibblec. Byted. Chunk

6. The term Pentium III represents whatcomputer specification

a. Motherboardb. Processorc. Monitor Resolutiond. Hard Disk Space

7. A record is also known as a(n)a. Attributeb. Tuplec. Relationd. Column

8. __________ is a temporary holding area for data,application program instructions, and the

operating system.

a. RAMb. PROMc. EPROMd. ROM

9. __________ refers to the number of bits that amicroprocessor can manipulate at one time.

a. Clock speedb. Sequential accessc. Word sized. Device speed

10.To read and interpret program instructions is afunction of the:

a. Control Unitb. Registersc. CPUd. Arithmetic and logic unit

11.Which of the following is not a field type used ina database.

a. Numberb. Textc. Reald. Yes/Noe.

12.Devices that capture data directly from thesource document include all of the following

items EXCEPT ______.

a. Optical scanners and optical readersb. Barcode readerc. Magnetic ink character recognition readerd. Portable keyboards

13.The capacity of a DVD is typically measured in________.

a. Kilobytes (KB or K)b. Megabytes(MB)c. Gigabytes (GB)d. Terabytes (TB)

14._____________ is a type of memory circuitrythat holds the computer's startup routine.

a. RIM (Read Initial Memory)b. ROM (Read Only Memory)c. RAM (Random Access Memory)d. REM (Ready Ever memory)

15.A __________ is a subdivision of a track thatstores data on a disk.

a. Bistableb. Bufferc. Cylinderd. Sector

16.__________ is a type of chip from which datacan be erased by exposure to ultraviolet light.

a. RAMb. ROMc. PROMd. EPROM

17.A monitor is measured in the same way as atelevision is measured, that is __________.


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a. Vertically from top corner to the bottomb. Horizontally from left corner to the rightc. Diagonally from one corner to anotherd. In square units that indicates the area of

the screen

18.A __________ is a device that is externallyconnected to, and under the control of the centralprocessing unit.

a. Disk controllerb. Peripheralc. Memory controllerd. Processor

19.All of the following software are examples ofoperating systems EXCEPT

a. Windows Vistab. Firefoxc.

Macintosh OSd. Linux

20.An airline reservation system is an example ofa. Batch Processingb. Interactive Processingc. Time Sharer Processingd. Real Time Processing

21.A field in a table that appears as a match of theprimary key in another table is called a

a.

Candidate keyb. Foreign keyc. Secondary keyd. Composite key

22.Which of the following is NOT a function of anoperating system?

a. Control input/output operationsb. Provide securityc. Perform ca1culationsd. Provide a friendly interface

23.All of the following are examples of hardwareinterfaces EXCEPT __________.

a. Sensorsb. Touch Screensc. Braille keyboardd. Pop Up Menu

24.An example of multitasking isa. Doing a background save while typing a

document

b. Allowing one user to use one programc. Opening of one program by many usersd. Allowing many users to use the same

program

25.Complex scientific research is usually doneusing:

a. Microcomputersb. Minicomputersc. Super Computersd. Mainframe Computers

26.A field is also known as a(n)a. Attributeb. Rowc. Relationd. Record

27.Arrange the following secondary storage devicesin order of increasing capacity from smallest tolargest; a 1GB memory card, CD-ROM, DVD

and a 128MB flash drive.

a. flash drive, CD-ROM, memory card,DVD

b. flash drive, CD-ROM, DVD, memorycard

c. memory card, flash drive, CD-ROM,DVD

d. memory card, CD-ROM, flash drive,DVD

28.All of the following are problems associated withmanual databases EXCEPT:

a. Easy and fast retrieval of informationb. Easily misplaced foldersc. Large amounts of space required for the

storage of data

d. Accessing information from anotherlocation is difficult

29.In a record containing the following fields:FIRST NAME, LAST NAME and DOB. DOB

would be what data type?a. Numberb. Textc. Date/Timed. Autonum

30.In modern computers, the CPU speed ismeasured in

a. Kilohertzb. Gigabytesc. Gigahertzd. Kilobytes

31.What is the function of utility software?a. It checks the amount of memory needed

to perform tasks

b. It can be used to split a program intomanageable blocks.

c. It coordinates the flow of informationbetween the input and output devices

d. It performs functions such as check disk32.Which of the following best represents

continuous dataa. :Number of cars in a parking lotb. Number of students in classc. Temperature of a roomd. All of the above

33.Which of the following is NOT true of opticaldisks?


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a. Pictures and text can be storedb. Can store large amounts of datac. Reading and writing is done with laser

beams

d. Information can be accessed faster thanwith magnetic disks

34.A type of utility file used to remove applicationprograms is

a. An un-install programb. A file compression programc. An antivirus programd. A trouble-shooting program

35.The Arithmetic and Logic Unit (ALU)a. Has high speed storage areasb. Is also called memory or main memoryc. Performs mathematical calculationsd.

Sequentially accesses and decodesprogram instructions

36.Quality Developers is a company that writesprograms to do specific jobs for other companies.

These programs are called

a. general-purpose softwareb. special-purpose softwarec. custom-purpose softwared. off-the-shelf software

37.Which of the following can be considered asperipheral devices?

a. Operating systemb. Secondary storage mediac. User interfacesd. Primary storage media

38.Which of the following is NOT a type ofapplication software?

a. Word processorb. Spreadsheetsc. Windowsd. Smart Draw

39.You print a report from your computer. Thisoutput is called _______

a. first copyb. hard copyc. soft copyd.

medium copy

40.The central processing unit has ______parts.a. 1b. 5c. 3d. 7

41.The term 1GB RAM represents what computerspecification

a. Monitorb. Memoryc. Motherboardd. Processor

42. A laser printer is an example of a/an _____printer

a. impactb. non-impactc. continuousd. inject

43.Memory management is an example of___________.

a. Hardware controlb. System controlc. Data controld. Software Control

44.A ______________is used to join two tables in adatabase.

a. Lineb. Relationshipc. Jointd.

Connector

45.A monitors capabilities depend on all except:a. resolutionb. sizec. refresh rated. print quality

46.Which of the following pairs of devices areMOST LIKELY to be used by immigration

personnel at ports of entry to capture biometric

data?

a. light-pen and graphic padb. web camera and fingerprint readerc. digital camera and fingerprint readerd. document scanner and barcode reader

47.Which magnetic storage media has a capacity of1.44 MB?

a. External hard driveb. Magnetic tapec. Internal hard drived. Floppy disk

48.Which is NOT an example of a peripheral device?2. A program is a :

a) Keyboarda) Hardware device

b) Mouseb) Memory device

c) Floppy diskc) Set of instructions

d) Speakersd) Register

49.Which device is not found in the CPU?4.OCR:

a) ALUa) Detects marks on paper

b) Control Unitb) Detects the unique ridges in a fingerprint

c) Instruction registerc) Understands and easily converts

handwritten text


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d) Printerd) Detects the shape of characters

50.A monitors capability depend on ALL except:a) Resolutionb) Sizec) Refresh rated) Print quality

51.Where are data and instructions held so that theyare available to the CPU for processing?

a) ROMb) DVDc) CD-ROMd) RAM

52.Magnetic tape is used to:a) Hold data necessary for starting up the

computer

b) Backup large amounts of datac) Hold data that the computer is processing at

the time

d) None of the above53.The type of output that allows computers to send

out information to telephone lines for

communication over long distancesa) Soft copyb) Hard copyc) Modemd) Disk or tape

54.The wedge shaped areas on a disks surface arecalled

a) Tracksb) Sectorsc) Cartridgesd) Cylinders

55.The input device that can be used to trace shapesand store them is called a

a) Touch screenb) Light penc) Digitizerd) Mouse

56.Flash memory cards are used ina) Camerasb) Flash drivesc) Microwavesd) The CPU

57.Approximately 1000 bytes make aa) Terabyteb) Kilobytec) Gigabyted) Megabyte

58.Sequential or serial access means thata) Users can access their data directlyb) Users have to rewind the media to access datac) Users have to fast-forward the media to access

data

d) Users have to fast-forward/rewind media toget to their data

59.Resolution refers toa) The quality of a printb) The image quality on a monitorc) Both A and Bd) None of the above

60._______ is used almost exclusively by thebanking industry for check processing.

a. OCRb. OMRc. MICRd. POS

SECTION II

HARDWARE AND SOFTWARE 30 marks

Answer ALL questions.

1. The central Processing Unit (CPU) has two major sub-units.a) Name the two sub-units of the CPU. (2 marks)

b) Give the function of EACH sub-unit. (2 marks)

c) What type of memory is MOST closely connected to the CPU? (1 mark)

Total 5 marks

2. Figures A to C represents three different data capture methods.


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In your answer book, copy and complete Table 1 using the list of type of data capture method below.

OMR, OCR, MICR, Voice Recognition

TABLE 1

Total 3 marks

3. You have won a computer which is equipped with an Intel Pentium 2.5Mhz Processor, 512 megabytes of RAM, a 80-gigabyte hard disk drive, a CD-DVD burner, a floppy disk drive, two ports for flash disks (small storage devices), a laser

printer, a finger print reader (for security), and a wireless mouse.

a) Identify a primary and a secondary storage device in this system. (2 marks)

b) Name TWO peripheral devices found in this system. (2 marks)

c) What is the speed and type CPU (2 mark2)d) Each of your courses needs 15.5 kilobytes of space on your system. How many

complete courses can fit into a 5- megabyte file? (2 marks)

Total 8 marks

4. State the MOST appropriate data capture method for EACH of the following situations:a) Marking multiple-choice examination answer papers. (1 mark)

b) Transferring a whole page of a document into your word processing package without the need to type it in. (1 mark)

c) Reading of data on bank cheques (1 mark)

d) Accepting voice instructions (1 mark)

Total 4 marks Total 14 marks

SECTION III

PROBLEM SOLVING.

1. Write an algorithm to read a series of numbers terminated by 999 and print the sum and the average. Also display theamount of times the number 9 was entered in the series. (8 marks)

2. ) Explain the difference in the execution of the TWO lines of code written below:i. Line 1: If MARK >50 Then Print Good

ii. Line 2: If Mark >=50 Then print Day

(2 marks)

Figure Type of Data Capture Method

A

B

C


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c) The number 50 was the value for MARK.

i.State the line number corresponding to the above code that would print a result.

(1 mark)

ii. Write the result that would be printed.

(1 mark)

5. The three diagrams below represent three different generations of programming languages.

a) Identify EACH generation. (3 marks)

b) State ONE advantage and ONE disadvantage of EACH generation. (6 marks) total 9 marks

6. Write the result of the following segment of code given num = 10:a) num = 10

If (num>20)

then write CXC

else write XCX (1 mark)

b) num = 10count = 0

While (num

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