NECO Computer Studies Questions and Answers 2021/2022 (Essay and Objectives)

NECO Computer Studies Questions and Answers 2021. I will be showing you the NECO Computer Studies objective and theory questions for free. You will also understand how NECO Computer Studies Practical questions are set and many more examination details.

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The National Examination Council is an examination body that set questions annually from areas student should, after their studies in the senior secondary school, be able to write and pass without stress.

NECO Computer Studies answers and questions Objectives and Essay will be provided here and the authenticity of this NECO 2021 Computer Studies solutions to questions has been tested and confirmed to be sure.

NECO Computer Studies Essay And Objective Questions and Answers 2021 (EXPO)

The 2021 NECO Practical Computer Studies expo will be posted here today, 14th August during the NECO Computer Studies Practical examination. Keep checking and reloading this page for the answers.

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The control unit is a component of a computer’s central processing unit that directs the operation of the processor.

CU typically uses a binary decoder to convert coded instructions into timing and control signals that direct the operation of the other units. Most computer resources are managed by the CU.


An arithmetic logic unit is a combinational digital circuit that performs arithmetic and bitwise operations on integer binary numbers. This is in contrast to a floating-point unit, which operates on floating point numbers.


Register is defined as the small subset of the data that has fast accessible memory in the central processing unit. For the execution of different computer instructions and programs type of registers are used. There are numerous categories of computer registers that are available for the execution of instructions. The registers can be categorized by their size, functions, or names. These registers are used to store the data temporarily and perform the execution of computer instructions and can be also used to store results in it. The processing speed of registers is the fastest to another data set.


Phishing is a type of social engineering attack often used to steal user data, including login credentials and credit card numbers.


(i) Network Congestion.

(ii) Infrastructure Parameters (QoS, Filtering, Routing)


(i) AVG Antivirus

(ii) Norton Antivirus.

(iii) Ad-Aware


(2ai) A compiler is a computer program that translates computer code written in one programming language into another language. The name “compiler” is primarily used for programs that translate source code from a high-level programming language to a lower level language to create an executable program.


– F5:

• In all modern Internet browsers, pressing F5 will refresh or reload the page or document window.

• Open the find, replace, and go to window in Microsoft Word.


– F1:

• Almost always used as the help key, almost every program opens a help screen when this key is pressed.

• Enter CMOS Setup.

• Windows Key + F1 would open the Microsoft Windows help and support center.

• Open the Task Pane.

(2c) A character set defines the valid characters that can be used in source programs or interpreted when a program is running.


4a) Network topology is the arrangement of the elements of a communication network. Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks, industrial fieldbusses and computer networks.


1. Data can transfer between workstations at high speeds.

2. A network server is not needed to control network connectivity between each workstation.


(5ai) File security is a feature of your file system which controls which users can access which files, and places limitations on what users can do to various files in your computer.


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(5aiii) A programming language is a formal language comprising a set of strings that produce various kinds of machine code output.




(Pick any two)






The questions below are not exactly 2021 NECO Computer Studies questions and answers but likely NECO Computer Studies repeated questions and answers.

These questions are strictly for practice. The 2021 NECO Computer Studies expo will be posted on this page on the day of the NECO Computer Science examination. Keep checking and reloading this page for the answers.

1. It is a small piece of text stored on a user’s computer by a web browser for maintaining the state. What are we talking about?

A) Session

B) Applets

C) Cookie

D) Application

E) Query String


2. Which of the following is responsible for the management and coordination of activities and the sharing of the resources of the computer?

A. motherboard

B. application software


D. system software

E. operating system


3. In computers, what is the smallest and basic unit of information storage?

A. byte

B. bit

C. megabyte

D. kilobyte

E. Newton

4. What is the shortcut key of printing a document for computer having windows?

A. Shift + PP

B. Shift + P

C. Alt + P

D. Ctrl + P

E. Fn + P

5. What type of device is a computer keyboard?

A. software

B. input

C. processing

D. output

E. storage


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How To Pass NECO Computer Studies Examination

The National Examination Council (NECO) is a body in charge of the Senior Secondary School Certificate Examination. The Certificate offered here is a very important credential that awards or certify the completion of your Secondary School Education.

It is a major document that qualifies you into any tertiary institution and equally a major factor affecting admission today.

For this reason, every Student preparing for this examination NECO 2021 is preparing for something great.

Care should be taken when participating in this examination in other not to come out with bad grades. The following are the key answers to NECO Computer Studies 2021.

1. Be Determined to Pass

The NECO 2021 Computer Science is mainly for those who have made up their mind to pass it with a good grade.

Any candidate who, at this point in time, has not made up his or her mind to make the excellent grade in the forthcoming NECO 2021 Computer Studies is actually not ready to pass.

Your mind should be ready for the task ahead, do not follow lazy friends who believe in a miracle on the day of the exams, stay positive and study your books.

2. Have self-confidence

Self-confidence is another factor that affects a candidate’s performance. Promise to do it all by yourself and everything will come out very simple for you.

It is a well-known fact that many students cancel the right answers just to copy the wrong ones because of a lack of self-confidence. Study and pray hard and you are the miracle for the day.

3. Start Studying Early

Studying is very important in your life as a student. NECO is a very simple Exam to deal with as long as studies are involved. Studying is one thing and studying on time is another thing entirely.

Do not wait for the NECO 2021 Computer Studies exams to be so close before you start studying for it. Late preparation will not really help you. When you start studying early there will be time for you to revise before the exams.

2. Make Use the NECO 2021 Syllabus

Using the NECO 2021 syllabus is very essential as it will guide you on major topics to cover. Studying without the Syllabus will make you focus on unnecessary topics that will not appear in the exams.

Also, most of the Commerce topics you have not done in class are there in the NECO syllabus.

3. Pray to God Your creator

Many think that they can do it all alone without God. The Almighty God is your creator, seek His assistance and He will never fail to help you. Your faith in God determines your success. God is there for you, call upon Him.

4. Adhere to exams instructions.

Any student who is not ready to adhere to the examination conducts is planning to fail. The majority of NECO Candidates that have their result held are from those that were not ready to follow the Exam instructions.

5. Use Your Time Wisely.

It is a well-known fact that NECO Computer Science needs a lot of time, manage the little time given to you wisely. Consider the number of questions you are to answer and the time given so that you can time wisely.

6. Be punctual to the examination venue

Punctuality matters during the exams. Go to the exam venue early so that your brain can settle for the task. Rushing to the exam hall will make you unstable for the exam and can prone you to so many mistakes.

Take time to go through the exam question paper before you start answering. NECO Computer Studies Questions and Answers

If you have any questions about the 2021 NECO Computer Studies questions and answers, do well to let us know in the comment box.

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