WAEC - Computer Studies (2022)

1
One-millionth of a second is also referred to as
Answer
(B)
microsecond
2
Examples of quantitative data type are?
Answer
(A)
continuous and discrete
3
One difference between data and information is that ?
Answer
(B)
data are raw facts and figures while information is computed
4
The following options are examples of information except?
Answer
(D)
plain shape of a rectangle
5
Modem computers Compared to earlier computers are ?
Answer
(D)
faster and smaller
6
What type of computer would be most suitable for a student who lives in a remote village without constant electricity
Answer
(B)
Laptop computer
7
EDSAC was produced using a concept known as 
Answer
(D)
Stored program
8
The process of running more than one program concurrently is known as
Answer
(B)
multitasking
9
 How many binary digits are contained in 10MB of a memory stick?
Answer
(D)
10 x 1024 x 1024 x 8
10
A student would require the following devices to online application form except?
Answer
(C)
printer
11

use the diagram above to answer questions below

The logic gate in the diagram above is called a

Answer
(A)
AND gate
12

 The logic equation for the logic gate in the figure above is?

Answer
(B)
Z=A.B
13

The part labelled X in the figure above is called?

Answer
(B)
output unit
14

The logic equation for the logic-circuit in the diagram above is?

Answer
(B)
Z=A.B+C
15
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?
Answer
(A)
firmware
16
Thy following programs are general purpose application software except 
Answer
(B)
payroll system
17
One similarity between be spoke software and application packages is that they are?
Answer
(D)
meant to be used by computer end users
18
The process of testing the logic of algorithm to ensure they give correct result is known as ?
Answer
(B)
desk checking
19
The following instructions are guidelines for drawing flowcharts except that?
Answer
(C)
it should follow a direction of right to left or bottom to top
20
 Key skills of a system analyst include the following except
Answer
(C)
motivational skills
21
The result of the expression 2 * 6 + 2/4 * 2 * 4^2
Answer
(C)
28
22

Use the QBASIC program below to answer question below

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 number 10, 20,30, 40, 50, 60 and 70 as stated in the program indicate 

Answer
(D)
line number
23
he QBASIC statement LETX=Y-3 means
Answer
(C)
the variable X receives the value of Y less 3
24

The part labelled Y in the compiler interface in the diagram represents 

Answer
(C)
object code
25
 The virtual communication platform where many people keep in contact with family and friends is known as 
Answer
(C)
cyberspace
26
The protocol used for email transmission is known as ?
Answer
(D)
SMTP
27

The signals from Ato modem X in the diagram above are

Answer
(B)
digital
28

what type of network is represented in the diagram above?

Answer
(D)
wide area network
29
In the URL https://waec.org.ng, the domain name is?
Answer
(A)
waec.org.ng
30

The type of transmission in the part labelled q in the diagram above is called 

Answer
(B)
full duplex
31

The number of entries in the diagram above is 

Answer
(A)
3
32
The maximum length of a text field in MS Access is?
Answer
(C)
255
33
One function of operating system is ?
Answer
(D)
resource allocation
34

The shortcut key for the open dialog box in MS Word is ?

Answer
(B)
Ctrl + F12
35

The part of the Corel Draw window labelled II in the diagram above is called?

Answer
(C)
zoom out
36
Which of the following operations will not run a slide show in MS PowerPoint?
Answer
(A)
pressing F5
37
What will be the result of writing the formula=year[now[][  + 3 in a worksheet,of a spread sheet,if the current calendar is 14 august ,1960?
Answer
(B)
14 aug,1963
38

If A is in cell A1 and B is in Cell B1 of a worksheet in a spreadsheet application,write a formula to calculate

x= \(\frac{A^2 = B{^1/2}}{100}\)

Answer
(A)
((A1^2)+(B1^(1/2)))/100
39
The pictorial representation of an object or application in the computer is called?
Answer
(C)
Icon
40
Deleted items in the computers are temporarily stored in the?
Answer
(C)
recycle bin
41
The keyboard key combination ALT + F4 in microsoft windows will
Answer
(A)
close active programmes
42

 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.

iv. Save all active files

Answer
(A)
I and II only
43
In number system ,base 16 is called ?
Answer
(A)
hexadecimal
44
Add 127\(_{16}\) to  50A\(_{16}\)
Answer
(C)
631\(_{16}\)
45
The octal fraction 0.65 converts to binary as 
Answer
(B)
0.110101
46
Sequential files are?
Answer
(B)
sorted in a particular order
47

The file access method illustrated in the diagram above is called?

Answer
(B)
indexed access
48
Serial files are 
Answer
(C)
stored as they come
49
Duplicating copyrighted electronic or digital content without the authors approval is considered?
Answer
(A)
felonious
50
Ethical practice requires a computer user to 
Answer
(A)
shutdown properly