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2022 WAEC COMPUTER STUDIES

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Question 1 of 50
1. Question
One-millionth of a second is also referred to as
nanosecond.
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microsecond.
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millisecond.
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picosecond.
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Question 2 of 50
2. Question
Examples of quantitative data type are
continuous and discrete.
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local and foreign.
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nominal and ordinal.
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primary and secondary.
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Question 3 of 50
3. Question
One difference between data and information is that
data is meaningful while information is not meaningful.
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data are raw facts and figures while information is computed data.
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information is independent of data while data is dependent on information.
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information is the raw material while data is the end product of information.
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Question 4 of 50
4. Question
The following options are examples of information except
area of a circle.
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circumference of a circle.
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perimeter of a rectangle.
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plain shape of a rectangle.
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Question 5 of 50
5. Question
Modern computers compared to earlier computers are
less reliable.
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faster and larger.
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larger and stronger.
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faster and smaller.
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Question 6 of 50
6. Question
What type of computer would be most suitable for a student who lives in a remote village without constant electricity?
Desktop computer
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Laptop computer
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Mainframe computer
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Minicomputer
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Question 7 of 50
7. Question
EDSAC was produced using a concept known as
Circuit switching.
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Packet routing.
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Packet switching.
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stored program.
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Question 8 of 50
8. Question
The process of running more than one program concurrently is known as
multithreading.
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multitasking.
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multiprogramming.
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multipurpose.
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Question 9 of 50
9. Question
How many binary digits are contained in 10MB of a memory stick?
10 x 1024
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10 x 1024 x 8
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10 x 1024 x 1024
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10 x 1024 x 1024 x 8
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Question 10 of 50
10. Question
A student would require the following devices to fill an online application form except
keyboard.
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mouse.
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printer.
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webcam.
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Question 11 of 50
11. Question
Use Figure 1 to answer questions 11 and 12.
The logic gate in Figure 1 is called
AND gate.
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NAND gate.
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NOR gate.
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OR gate.
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Question 12 of 50
12. Question
Use Figure 1 to answer questions 11 and 12.
The logic equation for the logic gate in Figure 1 is
Z = A + B.
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Z = A B.
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Z ={A + B}.
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Z = A B.
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Question 13 of 50
13. Question
The part labelled X in Figure 2 is called
auxiliary memory.
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output unit.
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secondary memory.
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storage unit.
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Question 14 of 50
14. Question
The logic equation for the logic circuit in Figure 3 is
Z = {‾A + ‾B + C}.
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Z = {‾A.B} + C}.
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Z = {A + B} + C}.
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Z = {‾A.B.C}}.
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Question 15 of 50
15. Question
The program that is loaded into a special area on a microprocessor or ROM on a one-time basis and becomes part of the hardware is called
firmware.
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liveware.
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software.
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utility.
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Question 16 of 50
16. Question
The following programs are general purpose application software except
CorelDraw.
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Payroll system.
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MS Access.
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MS Word.
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Question 17 of 50
17. Question
One similarity between bespoke software and application packages is that they are
both available off the shelf.
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highly standardised.
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both written by computer users.
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meant to be used by computer end-users.
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Question 18 of 50
18. Question
One function of operating system is
power supply allocation
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file corruption and deletion.
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hardware upgrade.
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resource allocation.
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Question 19 of 50
19. Question
The process of testing the logic of algorithm to ensure they give correct result is known as
debugging.
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desk checking.
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flowcharting.
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pseudo-coding.
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Question 20 of 50
20. Question
The following instructions are guidelines for drawing flowcharts except that
flowcharts must have a logical start and finish.
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it should follow a direction of left to right or top to bottom.
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it should follow a direction of right to left or bottom to top.
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it should be clear, neat and easy to follow.
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Question 21 of 50
21. Question
Key skills of a system analyst include the following except
ability to troubleshoot.
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interest in learning new skills.
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motivational skills
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proficiency in programming languages.
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Question 22 of 50
22. Question
21
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27
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28
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29
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Question 23 of 50
23. Question
Use the QBASIC program below to answer question 23.
10 REM program to calculate product of numbers
20 CLS
30 INPUT A
40 INPUT B
50 LET PRODUCT = A*B
60 PRINT PRODUCT
70 END
The numbers 10, 20, 30, 40, 50, 60 and 70 as stated in the program indicate
bullet numbering.
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codes.
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labels.
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line numbers.
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Question 24 of 50
24. Question
The QBASIC statement LET X = Y - 3 means
the variables X and Y both receive the value 3.
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the variable X receives the value 3.
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the variable X receives the value of Y less 3.
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an error message has occurred due to type mismatch.
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Question 25 of 50
25. Question
The part labelled Y in the compiler interface in Figure 4 represents
intermediate code.
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binary code.
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object code.
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pseudo code.
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Question 26 of 50
26. Question
The virtual communication platform where many people keep in contact with family and friends is known as
Microsoft Visio.
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social engineering.
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cyberspace
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virtual reality.
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Question 27 of 50
27. Question
The protocol used for email transmission is known as
HTTPS
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DHCP
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IP
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SMTP.
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Question 28 of 50
28. Question
The signals from computer A to modem X in Figure 4 are
analogue.
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digital.
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electrons.
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protons.
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Question 29 of 50
29. Question

What type of network is represented in Figure 6?
Local Area Network
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Metropolitan Area Network
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Personal Area Network
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Wide Area Network
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Question 30 of 50
30. Question
In the URL https:www.waec.org.ng, the domain name is,
waec.org.ng
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https://www
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//www.waec
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org.ng
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Question 31 of 50
31. Question

The type of transmission in the part labelled Q in Figure 7 is called
broadcast.
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full duplex.
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half duplex.
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simplex.
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Question 32 of 50
32. Question
The maximum length of a text field in MS Access is
75
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120
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255
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265
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Question 33 of 50
33. Question
The number of entries in Figure 8 is
3
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4
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5
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12
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Question 34 of 50
34. Question
The shortcut key for the Open dialog box in MS Word is
Alt+F12.
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Ctrl+F12.
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F12.
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Shift+F12.
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Question 35 of 50
35. Question
The part of the CorelDraw window labelled II in Figure 9 is called
Pan.
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Zoom In.
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Zoom Out.
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Zoom to fit.
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Question 36 of 50
36. Question
Which of the following operations will not run a slide show in MS PowerPoint?
Pressing F5
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Pressing Shift+F5
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Choosing the slide show tab
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Clicking the slide show icon on the taskbar
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Question 37 of 50
37. Question
What will be the result of writing the formula =Year(now())+3 in a worksheet of a spreadsheet, if the current calendar date is 14 August, 1960?
17 August, 1960
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14 August, 1963
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11 August, 1963
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1963
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Question 38 of 50
38. Question
If A is in cell A1 and B is in cell B1 of a worksheet in a spreadsheet application, write a formula to calculate
(A1²) + (B1(1/2))100
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(A1² + (B1(1/2))/ 100
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((A1² +(B14(1/2))/100
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((A1² +(B1½)/100
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Question 39 of 50
39. Question
The pictorial representation of an object or application in the computer is called
diagram
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graphic.
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icon.
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image.
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Question 40 of 50
40. Question
Deleted items in the computer are temporarily stored in the
memory unit.
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processor.
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recycle bin.
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task manager.
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Question 41 of 50
41. Question
The keyboard key combination ALT+F4 in Microsoft Windows will
close active programmes.
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open a file.
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restart the computer.
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save all active files.
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Question 42 of 50
42. Question
Select two stages of booting from the following list: I. Power on Self Test; II. Loading of Operating System; III. Loading of e-mails; IV. Start in safe mode.
I and II only
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I and II only
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II and IV only
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III and IV only
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Question 43 of 50
43. Question
In number system, base 16 is called
hexadecimal.
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decimal.
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duodecimal.
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octal.
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Question 44 of 50
44. Question

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Question 45 of 50
45. Question
The octal fraction 0.65 converts to binary as
0.110011
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0.110101.
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101101
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101110
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Question 46 of 50
46. Question
Sequential files are
sorted using index.
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sorted in a particular order
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stored as they come.
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stored in any storage media.
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Question 47 of 50
47. Question
The file access method illustrated in Figure 10 is called
hashed access.
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indexed access.
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random access.
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sequential access.
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Question 48 of 50
48. Question
Serial files are
sorted using a key.
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sorted in a particular order.
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stored as they come.
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stored in any storage media.
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Question 49 of 50
49. Question
Duplicating copyrighted electronic or digital content without the author's approval is Considered
felonious.
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ethical
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treasonable.
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unethical.
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Question 50 of 50
50. Question
Ethical practice requires a computer user to
shutdown properly after using the computer.
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hack into other people's computer.
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intrude into people's privacy.
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copy software without the license.
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