WAEC Computer Studies free and correct Questions and Answers are now available online to help you succeed. People may wish to have access to expo/runs in Computer Studies, but I tell you, the details on Objectives and theory Computer Science WAEC Questions and Answers provided for you here is the best.
The West African Examination Council (WAEC) Computer Studies paper 1 and 11 (Objectives and Essay) schedule is available in the official Timetable. All the necessary materials will be provided by the management board for the smooth running of the exams. To pass WAEC Computer Studies with A1, keep reading fore latest news on correct Computer Studies answers.
WASSCE Computer Studies past Questions papers has been provided here to help you get ready for the questions that will be presented to you. Likely WAEC Computer Studies expo questions and Answers and how to answer the questions without wasting time are equally provided.
Computer Studies Answers to Objectives Questions
The following are Sample WAEC Computer Science Objectives Past Questions and Answers:
1. Which of the following actions is not an animation in Microsoft PowerPoint?
- A. Entrance
- B. Emphasis
- C. Motion paths
- D. Dancing
Answer: D (Dancing)
2. Datatypes in QBASIC programming language include the following except
- A. double
- B. short
- C. float.
- D. long.
Answer: B (short)
3. Stored instructions and data in digital computer consist of
- A. bits.
- B. numerals.
- C. alphabets
- D. characters.
Answer: A (bits.)
4. The https in the web address, https://waec.org.ng, is called a
- A. web page.
- B. protocol.
- C. hostname.
- D. file path.
Answer : (protocol.)
5.The following are functions of database management system except
- A. format operation.
- B. rule enforcement.
- C. security of data.
- D. backup and replication.
Answer: A ( format operation.)
6. Viruses, worms and Trojan horses are regarded as
- A. system software.
- B. malicious software.
- C. application software.
- D. utility software.
Answer: B (malicious software.)
7. The unit of the computer system that directs and supervises other units is called the
- A. memory unit.
- B. control unit.
- C. arithmetic logic unit.
- D. accumulator
Answer: B (control unit.)
8. Headers and footers are used in Microsoft Word documents to
- A. allow test to appear at the top of the first page.
- B. allow text to appear at the top and bottom of every page.
- C. make large document more readable.
- D. enhance the overall appearance of the document.
Answer: B (allow text to appear at the top and bottom of every page.)
9. The act of translating data into a secret code is known as
- A. piracy.
- B. encryption.
- C. authentication.
- D. authorization.
Answer: A (piracy.)
10. The command used to seek for assistance in Microsoft disk operating system is
- A. Attrib
- B. /S
- C. /?
- D. Helper.
Answer: C (/?)
11.A user observed that a certain file in a removable storage device changed to a shortcut icon. This implies that
- A. the file is corrupt.
- B. the file is shared.
- C. the removable storage device is corrupt.
- D. there is a link to the file.
Answer: C (the removable storage device is corrupt)
12.
Figure 7 represents a procedure to
- A. backup files on a computer.
- B. repair a corrupted file on a computer.
- C. transfer files from one device to another.
- D. update software on a device.
Answer: D (update software on a device)
13.One example of a file containing reference data which is usually altered is
- A. brand name.
- B. payroll.
- C. price list.
- D. stock.
Answer: A (brand name)
14.Which of the following hard disk drive memory capacities can store the largest size of data?
- A. 2TB
- B. 12GB
- C. 240MB
- D. 800K
Answer: A (2TB)
15.The ASCII character set represents alphabetical and control characters using numeric code ranging from
- A. 0 to 32.
- B. 0 to 64.
- C. 0 to 127.
- D. 0 to 128.
Answer: C (0 to 127.)
16.Which of the following statements about warm booting is true? The computer
- A. reloads the operating system while still running in the background.
- B. loads the operating system into memory from the power-on button.
- C. reloads the operating system into memory while still running.
- D. loads the application into memory from rest state.
Answer: A (reloads the operating system while still running in the background)
17.What happens when the Shift key is pressed down while deleting a file from the computer? The file is
- A. un- installed from the computer.
- B. permanently deleted from the computer.
- C. deleted and sent to the Recycle Bin.
- D. deleted and kept in the clipboard.
Answer: B (permanently deleted from the computer)
18.Read Only Memory (ROM) contains
- A. current program in operation.
- B. preset instructions for operation.
- C. user instructions.
- D. volatile programs.
Answer: B (preset instructions for operation.)
19.A collection of computer wires used to identify memory location in a computer is
- A. system bus.
- B. data bus.
- C. data cable.
- D. address bus.
Answer: D (address bus)
20.Which of the following statements about index is true? It is a data structure
- A. that reduces the speed of data retrieval operations on a database table.
- B. used to quickly locate data without searching every row in a table every time a database table is accessed.
- C. created using only two rows of a database table to uniquely identify each record.
- D. that allows relational database to split and store data in different tables, while linking disparate items.
Answer: B (used to quickly locate data without searching every row in a table every time a database table is accessed)
21.
What is the function of the CorelDraw Toolbox object shown in Figure 6? It IS used to
- A. charge the magnification level in drawing window.
- B. draw lines and curves.
- C. edit the shape of objects.
- D. select and transform objects.
Answer: D (select and transform objects)
22. New comment can be added to a cell in MS Excel by using the procedure
- A. Edit → Comment.
- B. File → Comment.
- C. Insert→ Comment.
- D. Review→ Comment.
Answer: D (Review→ Comment)
23.
What happens when a user clicks on the icon in Figure 5 on the Microsoft Excel menu bar?
- A. copy of the selection is put on the clipboard so that user can paste somewhere else
- B. A label that spans multiple columns is created
- C. Content on the clipboard is added to the document
- D. Selected range of cells is quickly converted to a table with its own style
Answer: C (Content on the clipboard is added to the document)
24.Which of the following application packages is suitable for making budgets?
- A. Word processor
- B. Spreadsheet package
- C. Graphic package
- D. Database Management System
Answer: B (Spreadsheet package)
25.Columns in MS Access are referred to as
- A. fields.
- B. files.
- C. records.
- D. tuples.
Answer: A (fields)
26.The art of checking for errors in a Word document before publishing is referred to as
- A. editing.
- B. formatting.
- C. modifying.
- D. proof reading.
Answer: D (proof reading)
27.Which of the following statements is true about intranet?
- A. Private network that uses internet protocol and is accessible by all visitors to an organization’s website
- B. Private network that uses internet protocol and is accessible by employees of an organization
- C. Private network which does not use internet protocol and is accessible by employees of an organization
- D. Public network that uses internet protocol and is accessible by all visitors to an organization’s website
Answer: B (Private network that uses internet protocol and is accessible by employees of an organization)
28.An internet user secures his social media account by regularly changing passwords. Which of the following passwords produces the best security?
- A. wasscesc2024
- B. WASSCESC2024
- C. 2024wasscesc
- D. WASSCESchool-Candidates(@2024
Answer: D (WASSCESchool-Candidates(@2024)
29.Which of the following statements is true about star topologies?
- A. Computers are connected node-to-node
- B. Computers are connected to a central device
- C. The connection is linear in shape
- D. The connection is a tree-like structure
Answer: B (Computers are connected to a central device)
30.Which of the following statements is true about preventing phishing?
- A. Insure that antivirus is updated regularly
- B. Do not click on links in emails from untrusted sources
- C. Do not download from untrusted sites
- D. Use a strong password at all times
Answer: B (Do not click on links in emails from untrusted sources)
31.Instant messages can be sent with little or no tine lag using
- A. podcast.
- B. facsimile.
- C. email.
- D. chat room,
Answer: D (chat room)
32.A graphic or text in a document or web page that links to another file or object is referred to
- A. a domain name.
- B. a hyperlink.
- C. a shortcut.
- D. an icon.
Answer: B (a hyperlink)
33.In computer programming, it is advised to translate source code into intermediate code to
- A. change the analysis portion for different compilers.
- B. ensure that full native compiler is used for every new machine that will run the program.
- C. make it easier to apply the source code modifications to improve code performance.
- D. make the synthesis part of the compiler target-machine dependent.
Answer: C (make it easier to apply the source code modifications to improve code performance)
34.Which of the following statements is true about the rules of flowcharting?
- A. All boxes of flowcharts are connected with arrows to show the logical connection between them.
- B. All flowchart process boxes are connected with on page connector to show the flow of operation.
- C. All flowcharts start with a start box and end with a decision box
- D. The low of control must always enter an object from bottom to top
Answer: A (All boxes of flowcharts are connected with arrows to show the logical connection between them)
35.Debugging in program development is the process of
- A. fixing errors.
- B. introducing bugs.
- C. removing virus.
- D. writing error messages.
Answer: A (fixing errors.)
36.
Figure 4 is a flowchart symbol. Use it to answer questions this question.
Identify the flowchart symbol in Figure 4.
- A. Decision box
- B. Manual input
- C. Preparation
- D. Process
Answer: A (Decision box)
37.
Figure 4 is a flowchart symbol. Use it to answer questions this question.
The flowchart symbol in Figure 4 is used to
- A. show the preparation stage.
- B. represent a decision-making point.
- C. input data manually in a flowchart.
- D. execute a process.
Answer: B (represent a decision-making point)
38.Which of the following operations will be executed last in a program?
- A. Addition
- B. Division
- C. Exponentiation
- D. PEMDAS
Answer: D (PEMDAS)
39.Which of the following statements about operating system is false? It
- A. enhances the booting process.
- B. manages computer devices.
- C. manages storage location.
- D. protects the computer from surge.
Answer: D (protects the computer from surge)
40.One usefulness of utility software in the computer is
- A. conversion of source code to object code.
- B. enhancement of communication between hardware and the computer system.
- C. removal of malware from the computer.
- D. to improve the functionality of hardware devices.
Answer: C (removal of malware from the computer)
41.Which of the following statements explains the function of device drivers? They
- A. convert source code to object code.
- B. enable hardware and software control and manage the system.
- C. help to clean disk space and manage installation of applications.
- D. help to improve the functionality of hardware devices.
Answer: D (help to improve the functionality of hardware devices)
42.MS Access is an example of
- A. Word processing package.
- B. spreadsheet application.
- C. graphic software.
- D. database management system.
Answer: D (database management system)
43.
The part labeled Q in Figure 3 is called
- A. control unit.
- B. data bus.
- C. memory unit.
- D. register.
Answer: C (memory unit)
44.
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 |
- A. 0001
- B. 0110
- C. 0111
- D. 1000
Answer: D (1000)
45.
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 |
- A. 0111
- B. 1011
- C. 1101
- D. 110
Answer: B (1011)
46.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?
- A. 0111
- B. 1011
- C. 1101
- D. 1110
Answer: D (1110)
47.The computer’s short-term memory is the
- A. arithmetic logic unit.
- B. arithmetic operator.
- C. control unit.
- D. random access memory.
Answer: D (random access memory)
48.In using the slide rule, multiplication that goes off the scale can be corrected by the following approaches except
- A. resetting the slide.
- B. using circular slide rule.
- C. using flat scales.
- D. using folded scales.
Answer: A (resetting the slide)
49.Addition and subtraction of numbers in Abacus are done using
- A. bars.
- B. beads.
- C. frame.
- D. string.
Answer: B (beads)
50.Instructions were written to the first generation computers using
- A. assemblers.
- B. low level language.
- C. machine language.
- D. mnemonics
Answer: C (machine language)
51.Which of the following statements is true about data?
- A. Information is a product of data while knowledge is a product of information
- B. Data produces knowledge while knowledge produces information
- C. Data is a product of information while knowledge is a product of data
- D. Knowledge produces information while in- formation produces data
Answer: A (Information is a product of data while knowledge is a product of information)
Computer Studies WAEC Essay Questions
Below are Computer Studies WAEC Theory Past Questions and Answers:
Q1.
(a) Give two differences between a compiler and an interpreter in Table 2.
Table 2
| Compiler | Interpreter |
(b) State one advantage of coding in:
(i) high level programming language;
(i) low level programming language.
(c) Outline two characteristics of a good program.
Answer:
(a)Computer Interpreter
Intermediate object code is generated No intermediate object code is generated
Takes the entire program at once Translate sources program line by line
Comparatively faster in execution Slower in execution
Error detection is difficult Comparatively easy
More memory requirement Requires less memory
(b) Advantages of coding in high level programming language are:
(i) I. Provides higher level of abstraction; allows programmes to focus on the logic and functionality of their programs rather than hardware or complex low-level operations.
II. Easy to code, debug and maintain.
(ii) Advantages of coding in low level programming language are:
I. Faster execution times
I. Greater control over hardware resources
(c) Characteristics of a good program
I. Correctness: a good program must produce the desired output for a given input.
II. Maintainability: Must be easy to modify, update and debug
III. Readability: Must be clear, concise and understandable.
IV. Reliability: Must consistently perform correctly under various conditions.
V. Efficiency: Must use system resources (time, memory, etc.) optimally.
VI. Portability: Must be able to run on different platforms with minimal modifications.
Q2.(i)Explain a logic truth table
(ii) Name two types of logic gate.
(ii) Using the two named logic gates in 4a(ii), complete the truth table in Table 1.
Table 1
| X | Y | Z = X ? Y | Z = X ? Y |
| 0 | 0 | ||
| 0 | 1 | ||
| 1 | 0 | ||
| 1 | 1 |
(b) Explain the term comparator as a logic device.
Answer:
a(i)Logic truth table is a mathematical table used to evaluate the truth value of logical statements or arguments. It displays logical operations on input signals in table format.
(ii) Types of logic gate are:
I. OR gate II. AND gate III. NOT gate IV. NOR gate V. NAND gate VI. XOR gate XII. EXNOR gate
(iii)
| X | Y | Z = X + Y (OR) | Z = X – Y (AND) |
| 0 | 0 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 1 | 1 |
(b) Explanations of the term comparator as a logic device are:
- * A comparator is a logic device that compares two input values (X and Y) and produces an output based on their relative values. It is basically a digital circuit that determines whether one value is greater than, less than or equal to another.
- The output is I if the condition is met and O if not.
- Comparators are commonly used in digital systems for data comparison, error detection, sorting and searching, digital arithmetic circuits, etc.
Q3.(a) Explain the following computer terms
(i) fle; (ii) record; (ii) field
(b) In a school registry, computer system is used to store students details.
(i) In addition to name and address fields in a student’s record, list three other fields that may be included.
(i) Outline the steps involved in editing the field of a student’s record.
(iii) Name two database applications that can be used for creating the record in 3b(i).
Answers:
(i) File: This is a collection of related data (records) stored together on a computer.
(ii) Record: This is a single entry or row in a file, containing a set of related data. It is the collection of fields that describes a specific entity.
(ii) Field: This is a single piece of data within a record representing a specific attribute or characteristic. It is a column in a spreadsheet.
b(i) Other fields that may be included in student’s record are: I. Student ID II. Date of birth II. Gender IV. Email V. Phone number VI. Parent/Guardian Name VII. Class
(ii) Steps involved in editing the field of student’s record are:
I. Search for the student’s record using a unique identifier such as the student ID.
II. Identify the specific field to be edited and select it.
II. Make your adjustments and saved changes made to the record.
Q4.a(i) What is data cable?
(ii) List two types of data cable.
(iii) Explain how bus speed can affect the speed of data.
(b) In the context of data conversion, explain the following terms:
(i) register; (i) address.
Answers:
a(i) Data cable is a type of cable used to transmit data between devices such as computers, servers and peripherals.
(i) I. coaxial cables II. Fibre optic cables III. Twisted pair cable
(iii) A higher bus speed allows for faster data transfer between the processor and the RAM, lower latency and higher throughput allowing more data to be transmitted simultaneously and at faster speed.
b(i) Register: This is a high-speed temporary storage device built into a computer’s processor that temporarily holds data being processed or converted.
ii) Address: This is a unique location or identifier where data is stored or retrieved. They serve as pointers to access and manipulate data during conversion.
Q5.
(a) Explain the following Internet terms
(i) Sign in; (ii) Search engine
(b) Figure 1 and 2 illustrate the access methods.
(i) Identity the hle access method illustrated in:
I. Figure 1; II. Figure 2.
(ii) State one advantage and one disadvantage each for the file access m method illustrated in:
I. Figure 1;
Advantage:
Disadvantage:
II. Figure 2.
Advantage:
Disadvantage:
Answers:
a(i)Sign in: This means to enter a username, password or other authentication details to access a website, application or online service, allowing the user to access their account, personalized content and features.
(ii) Search engine: This is a website or program that enables people to find information online by searching for keywords or phrases. Examples include Google, Bing, Yahoo.
b(i)I. Figure 1: Random access method
II. Figure 2: Sequential access method.
(i) I. Figure 1:
Advantage: Records can be accessed directly regardless of physical location making it ideal for fast data retrieval.
Disadvantage: Complex indexing system required to manage record locations
II. Figure 2:
Advantage:
(i) Straightforward to implement as records are stored and accessed linearly.
(ii) Less prone to data corruption.
(ii) Efficient for large files.
Disadvantage:
Show data retrieval most especially if the desired record is located far into the sequence.
How to Answer Computer Science Questions
The following steps are very important for candidates that wish to make good grades:
- Read all the Instructions provided in the Question paper
- Fill in Your details where required on the Answer booklets
- Start with the Questions you know best
- Read the Questions at least Thrice before providing solutions
- Make your handwriting are readable
- Cross Check your work before submission.
How to pass WAEC exams
It’s important to make your West African Senior Secondary School Certificate Examination a huge success. The following ways are beneficial to candidates that wish to pass WAEC with flying colors:
1. Make adequate Preparation: By preparing very well for the WAEC Computer Studies Objectives and theory exams, candidates will be able to write the exams confidently.
2. Attending Extra moral Classes: The school teachers might not be able to complete the curriculum on time. On that note, it is advisable for students to attend tutorials that will enlightened the more on the right topics under The syllables.
3. Make good use of Past Questions: The West African Examination Council, WAEC has a pattern of setting questions. Students that make good use of the WAEC Computer Studies past Questions and Answers will surely perform well in the exams. Try and practice the questions set on previous years.
4. Use WAEC Computer Studies Syllabus: The WAEC Computer Studies Syllabus has a list of topics to be treated for years. Candidates should ensures that they use the syllabus while studying and preparing for their exams.
Essay/Objectives WAEC Expo/Runs
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All we do is to ensure that we provide you with all the necessary steps and updates on how to pass your exams without Stress. Stay tuned for more Related Updates.
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