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NECO Computer Studies Questions and Answers 2023/2024 (Essay and Objectives)

NECO Computer Studies Questions and Answers 2023. 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.

The National Examination Council is an examination body that set questions annually from areas students should, after their studies in 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 2023 Computer Studies solutions to questions has been tested and confirmed to be sure.


NECO Computer Studies Essay And Objective Questions and Answers 2023 (EXPO)

The 2023 NECO Practical Computer Studies expo will be posted here today 9th August during the NECO Computer Studies Practical examination. Keep checking and reloading this page for the answers.

NECO 2023 Computer Studies Answers Loading...

OBJ Answers:


Essay Answers:


The concept of a database refers to an organized collection of structured data that is stored and managed electronically. It is designed to efficiently store, retrieve, and manage large amounts of information. Databases typically use tables to organize data into rows and columns.


Character: A character is a single text unit or symbol, such as a letter, number, punctuation mark, or space.


Field: In database terminology, a field is a specific type of data stored in a table. A field usually contains information relevant to the entire row of data that it belongs to.



(i) Access to information: The internet provides access to a huge amount of information that would otherwise be unavailable.

(ii) Communication: The internet has revolutionized how we communicate with one another. People can exchange messages instantly and communicate in real-time, no matter where they are located.

(iii) Entertainment: The internet has made it easier for people to access entertainment, such as movies, music, games, and much more.

(iv) Shopping: People can now shop online from anywhere in the world, without having to set foot inside a store.

(v) Social Networking: Sites like Facebook, Twitter, and LinkedIn provide a platform for people to share ideas and stay connected.

(vi) Education: The internet has made it easier than ever for students to learn, by providing access to an abundance of educational resources.


A file is a collection of data that is stored on a computer or other electronic device. It can contain text, images, videos, programs, or any other type of information. Files are typically named and have a specific file format that determines how the data should be organized.


A folder is a virtual container in a computer’s file system that stores and organizes multiple files. Folders allow users to logically group related files together, making it easier to locate them when needed.



(check the diagram below)

-Bus Topology-

A bus topology is a network configuration where all the devices are connected to a single communication line, called a bus. In this topology, devices are connected to the bus through a device that acts as a repeater, allowing the signal to be propagated in both directions.


(Check the diagram below)

-Star Topology-

A star topology is a network configuration in which each device is connected directly to a single central device known as the “hub”. In this topology, the hub acts as a connection point between all the other devices in the network and sends data packets to each device.


Hacking: Hacking is the unauthorized access or control of another person’s computer system in order to steal or manipulate data or resources.


Piracy: Piracy is the unauthorized copying or distribution of copyrighted material such as music, movies, software, etc.


(i) Hard Disk Drives (HDDs): These are traditional storage devices that use magnetic discs to store and retrieve data. *Examples* Western Digital Caviar Blue, Seagate BarraCuda

(ii) Solid-State Drives (SSDs): These are newer storage devices that use integrated circuits to store and retrieve data. *Examples* the Samsung 860 EVO, Kingston A400.



An operating system is a software that manages computer hardware and software resources and provides common services for computer programs.


(i) Windows Operating System

(ii) Linux Operating System



(i) To provide uninterrupted power supply.

(ii) To ensure data security.

(iii) To prevent system crashes due to electricity failure.

(iv) To provide protection against power surges.

(v) To protect data from corruption.

(vi) To keep the system running in case of an emergency.




The octal number system is based on the base 8 system, with the numbers 0 to 7 as its components, WHILE the binary number system is based on the base 2 system, with the numbers 0 and 1 as its components.


(i) Portrait Orientation

(ii) Landscape Orientation



High-level programming languages are languages designed to be more user-friendly and abstracted from the low-level details of the computer’s hardware. They offer more human-readable syntax and provide a higher level of abstraction, allowing programmers to write code that is easier to understand and maintain.



(i)Machine consists of binary code (0s and 1s) that directly represents instructions that a computer’s central processing unit (CPU) can execute. It is specific to the computer’s architecture. WHILE

Assembly Language uses mnemonic codes (short abbreviations) to represent the machine-level instructions. These mnemonics are more human-readable and are later translated into machine code by an assembler.

(ii)Machine Language is not easily readable by humans due to its binary nature. WHILE

Assembly Language is more readable than machine language since it uses mnemonics and symbolic names for operations and registers.

(iii)Machine Language Provides no abstractions and directly corresponds to hardware operations. WHILE

Assembly Language offers a slight level of abstraction by using mnemonics to represent operations.

(iv)Machine Language typically used by the computer’s CPU to execute instructions. WHILE Assembly Language used by programmers to write low-level code that’s more human-readable than machine code.

(v)Machine Language is the lowest level of programming, closest to the hardware. WHILE Assembly Language is a higher level than machine language but still considered low-level.


network interface: Network interface often referred to as a network interface card (NIC) or network adapter, is a hardware component that connects a computer or device to a network. It serves as the interface between the computer’s software and the physical network medium, enabling data to be transmitted and received over the network.


Network protocol: Network protocol is a set of rules and conventions that govern how data is exchanged and communicated between devices and systems in a network. It defines the format, structure, and sequence of messages or packets that are exchanged between devices to ensure proper communication.


Keyboard shortcut keys to switch between open Application

(a)Alt + Tab (on Windows): This allows you to cycle through open applications and switch to the one you want.

(a)Command + Tab (on macOS): Similar to Alt + Tab on Windows, this lets you switch between open applications.


Keyboard shortcut key to rename selected file

(a)F2 (on Windows): When a file is selected in Windows Explorer, pressing F2 allows you to quickly rename the file.

(b)Return (Enter) (on macOS): When a file is selected in Finder on macOS, pressing Return (Enter) allows you to edit the file name, effectively renaming it.



Integer: Integer is a whole number that does not have any fractional or decimal part. It can be either positive, negative, or zero. In data representation, integers are commonly stored using a fixed number of bits, where the bit pattern corresponds to the integer value according to a specific encoding scheme, such as two’s complement.


Floating Point Number: floating-point number, often simply referred to as a “float,” is a representation of a real number that can have both a whole number and a fractional part. In data representation, they are stored in a binary format using a sign bit, an exponent, and a fraction (also known as a significand or mantissa).


Hexadecimal number: 9AB

9 in hexadecimal = 1001 in binary.

A in hexadecimal = 1010 in binary.

B in hexadecimal = 1011 in binary.

So, the binary representation of 9AB is 10011010101011

Grouping in sets of three from right to left: 010 011 010 101 011

Converting each group to octal:

010 = 2 in octal

011 = 3 in octal

010 = 2 in octal

101 = 5 in octal

011 = 3 in octal

Therefore, the octal representation of the hexadecimal number 9AB is 23253.


10 LET sum = 0

20 FOR i = 1 TO 50 STEP 2

30 LET sum = sum + i i

40 NEXT i

50 PRINT “Sum of squares of odd numbers between 1 and 50: “; sum.


The questions below are not exactly 2023 NECO Computer Studies questions and answers but likely NECO Computer Studies repeated questions and answers.

These questions are strictly for practice. The 2023 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


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 certifies the completion of your Secondary School Education.

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

For this reason, every Student preparing for this examination NECO 2023 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 2023.

1. Be Determined to Pass

The NECO 2023 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 2023 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 2023 Computer Studies exams to be so close before you start studying for them. 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 2023 Syllabus

Using the NECO 2023 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 exam 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 2023 NECO Computer Studies questions and answers, do well to let us know in the comment box.

Last Updated on August 9, 2023 by Admin

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12 thoughts on “NECO Computer Studies Questions and Answers 2023/2024 (Essay and Objectives)”

  1. I need computer neco answers both objective and essay 2023 at 6:00am

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