WAEC - Computer Studies (2024)

• 1

  An automatic system is one that

  Svar

  (D)

  requires little or no human intervention to work.
• 2

  Which of the following features of information is not important for meaningful decision? 

  Svar

  (B)

  Competitiveness
• 3

  The microprocessor that controls a washing machine is known as

  Svar

  (C)

  embedded computer.
• 4

  Which of the following statements is true about data? 

  Svar

  (A)

  Information is a product of data while knowledge is a product of information
• 5

  Instructions were written to the first generation computers using 

  Svar

  (C)

  machine language.
• 6

  Addition and subtraction of numbers in Abacus are done using

  Svar

  (B)

  beads.
• 7

  In using the slide rule, multiplication that goes off the scale can be corrected by the following approaches except 

  Svar

  (A)

  resetting the slide.
• 8

  The computer's short-term memory is the 

  Svar

  (D)

  random access memory.
• 9

  Which of the following logic devices is considered as equivalent gate? 

  Svar

  (B)

  EX-NOR
• 10

  

  Use the devices in Figures 1 and 2 to answer the questions given that the input variables X and Y have values of 0011 and 0101 respectively as shown in Table 1.

   

  X	Y
  0  0  1  1	0  1  0  1

  Compute the value of the output Z in Figure 1 using the values of X and Y given. 

  Svar

  (C)

  0111
• 11

  

  Use the devices in Figures 1 and 2 to answer the questions given that the input variables X and Y have values of 0011 and 0101 respectively as shown in Table 1.

  X	Y
  0  0  1  1	0  1  0  1

  If the input variable X in Figure 1 is passed through the device in Figure 2 before going into the logic gate in Figure 1, what will be the value of the output Z? 

  Svar

  (D)

  1110
• 12

  

  If the input variable Y in Figure 1 is passed through the device in Figure 2 before going into the logic gate in Figure 1, compute the resulting value of the output at Z. 

  X	Y
  0  0  1  1	0  1  0  1

  Svar

  (B)

  1011
• 13

  

  Using the given values of X and Y for the device in Figure 1, what will be the value of the output Z if it is passed through the device in Figure 2? 

  X	Y
  0  0  1  1	0  1  0  1

  Svar

  (D)

  1000
• 14

  

   The part labeled Q in Figure 3 is called 

  Svar

  (C)

  memory unit.
• 15

  MS Access is an example of 

  Svar

  (D)

  database management system.
• 16

   Which of the following statements explains the function of device drivers? They 

  Svar

  (D)

  help to improve the functionality of hardware devices.
• 17

  One usefulness of utility software in the computer is 

  Svar

  (C)

  removal of malware from the computer.
• 18

  Which of the following statements about operating system is false? It 
   

  Svar

  (D)

  protects the computer from surge.
• 19

  Debugging in program development is the process of 

  Svar

  (A)

  fixing errors.
• 20

  

  Figure 4 is a flowchart symbol. Use it to answer questions this question.

  Identify the flowchart symbol in Figure 4. 

  Svar

  (A)

  Decision box
• 21

  

  Figure 4 is a flowchart symbol. Use it to answer questions this question.

   

  The flowchart symbol in Figure 4 is used to 

  Svar

  (B)

  represent a decision-making point.
• 22

   Which of the following operations will be executed last in a program?  

  Svar

  (D)

  PEMDAS
• 23

   A The equation x =p + qr +s) can be expressed in Q BASIC programming

  Svar

  (B)

  X = P + Q* (R\S)
• 24

  Which of the following statements is true about the rules of flowcharting?
   

  Svar

  (A)

  All boxes of flowcharts are connected with arrows to show the logical connection between them.
• 25

  In computer programming, it is advised to translate source code into intermediate code to 

  Svar

  (C)

  make it easier to apply the source code modifications to improve code performance.
• 26

  A graphic or text in a document or web page that links to another file or object is referred to 

  Svar

  (B)

  a hyperlink.
• 27

  Instant messages can be sent with little or no tine lag using 

  Svar

  (D)

  chat room,
• 28

  Which of the following statements is true about preventing phishing? 

  Svar

  (B)

  Do not click on links in emails from untrusted sources
• 29

  Which of the following statements is true about star topologies? 

  Svar

  (B)

  Computers are connected to a central device
• 30

  An internet user secures his social  media account by regularly changing passwords. Which of the following passwords produces the best security?
   

  Svar

  (D)

  WASSCESchool-Candidates(@2024
• 31

  Which of the following statements is true about intranet? 

  Svar

  (B)

  Private network that uses internet protocol and is accessible by employees of an organization
• 32

  The art of checking for errors in a Word document before publishing is referred to as 

  Svar

  (D)

  proof reading.
• 33

  Columns in MS Access are referred to as 

  Svar

  (A)

  fields.
• 34

  Which of the following application packages is suitable for making budgets? 

  Svar

  (B)

  Spreadsheet package
• 35

  

  What happens when a user clicks on the icon in Figure 5 on the Microsoft Excel menu bar?

  Svar

  (C)

  Content on the clipboard is added to the document
• 36

  30. New comment can be added to a cell in MS Excel by using the procedure

  Svar

  (D)

  Review→ Comment.
• 37

  

  What is the function of the CorelDraw Toolbox object shown in Figure 6? It IS used to

  Svar

  (D)

  select and transform objects.
• 38

  Which of the following statements about index is true? It is a data structure

  Svar

  (B)

  used to quickly locate data without searching every row in a table every time a database table is accessed.
• 39

  A collection of computer wires used to identify memory location in a computer is 

  Svar

  (D)

  address bus.
• 40

  Read Only Memory (ROM) contains  

  Svar

  (B)

  preset instructions for operation.
• 41

   What happens when the Shift key is pressed down while deleting a file from the computer? The file is 

  Svar

  (B)

  permanently deleted from the computer.
• 42

  Which of the following statements about warm booting is true? The computer 

  Svar

  (A)

  reloads the operating system while still running in the background.
• 43

  The ASCII character set represents alphabetical and control characters using numeric code ranging from 

  Svar

  (C)

  0 to 127.
• 44

  Which of the following hard disk drive memory capacities can store the largest size of data? 

  Svar

  (A)

  2TB
• 45

  The equivalent of the letter A in the standard ASCII is 

  Svar

  (A)

  01000001