Neco 2025 Computer Studies Question And Answer


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Neco 2025 Computer Studies Question And Answer
Neco 2025 Computer Studies Question And Answer
Monday  14th July, 2025
Computer Studies (Objective & Essay)  2:00 pm – 5:00 pm
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Computer-Obj

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21EAABBBBAEC

31DBDEBAEDAD

41ACBAABEAAC

51ECCCEECECC

 

 

(1ai)

Compatibility mode in Microsoft Word is a feature that allows users to open and edit documents created in older versions of Word while maintaining the original formatting and layout, preventing potential compatibility issues that might arise from new features or changes in the current version.

 

(1aii)

Cut and Paste:

This involves selecting content, using the “Cut” command (Ctrl+X) to remove it from its original location, and then using the “Paste” command (Ctrl+V) to insert it into a new location.

 

Drag and Drop:

This involves selecting content and then physically dragging it with the mouse to a new location within the document and releasing the mouse button to place it there.

 

(1bi)

A high-level language is a programming language that uses a higher level of abstraction from machine code, making it easier for humans to read, write, and understand compared to low-level languages like assembly or machine code.

 

(1bii)

(i)Python

(ii)Java

 

(1biii)

Divide 589 by 8: 589 ÷ 8 = 73 remainder 5

Divide 73 by 8: 73 ÷ 8 = 9 remainder 1

Divide 9 by 8: 9 ÷ 8 = 1 remainder 1

Divide 1 by 8: 1 ÷ 8 = 0 remainder 1

Octal Number: Reading the remainders from bottom to top, the octal equivalent of 589 is 1115.

 

(2ai)

BASIC Program to Calculate Average

10 INPUT “Enter first number: “, N1

 

20 INPUT “Enter second number: “, N2

 

30 INPUT “Enter third number: “, N3

 

40 INPUT “Enter fourth number: “, N4

 

50 AVERAGE = (N1 + N2 + N3 + N4) / 4

 

60 PRINT “The average is: “; AVERAGE

 

70 END

 

(2aii)

(i) = (equal to)

(ii) <> (not equal to)

(iii) > (greater than)

(iv) < (less than)

 

(2b)

GUI: A visual interface that allows users to interact with a computer using graphical elements like icons, buttons, and menus.

-Example: Windows Operating System

 

CLI: A text-based interface where users interact with a computer by typing commands and receiving output in text form.

-Example: Linux Terminal

 

(3a)

(i)Coding: The process of writing instructions for a computer in a programming language to create software or perform a specific task.

(ii)Debugging: The process of identifying, analyzing, and removing errors or “bugs” from computer hardware or software.

 

(3b)

(i)Phishing

(ii)Identity theft

(iii)Malware attacks (e.g., ransomware, viruses)

(iv)Online fraud

 

(3c)

(i)Cold booting: The process of starting a computer from a completely powered-off state. This involves the system performing a full hardware check and loading the operating system from scratch.

(ii)Warm booting: The process of restarting a computer without completely powering it off (e.g., using the restart option in the operating system). This typically bypasses some of the initial hardware checks performed during a cold boot.

 

(4)

 

 

 

(5a)

Database Management System (DBMS) is software that allows users to create, manage, and interact with databases. It provides tools for data storage, retrieval, manipulation, and security.

 

(5aii)

(i)Data Retrieval (Querying)

(ii)Data Manipulation (Updating/Inserting/Deleting)

 

(5aiii)

Presentation Packages:

Software primarily designed to create and deliver visual presentations, typically consisting of slides with text, images, charts, and multimedia (e.g., Microsoft PowerPoint, Google Slides).

 

Graphic Packages: Software used for creating and manipulating images, illustrations, and other visual content. These can be vector-based (e.g., CorelDraw, Adobe Illustrator) or raster-based (e.g., Adobe Photoshop, GIMP).

 

(5b)

(i)Knife Tool: In CorelDraw, the Knife tool is used to cut objects into two or more separate parts. It allows for precise cutting along a freehand or straight line.

(ii)Polyline Tool: The Polyline tool in CorelDraw allows users to draw a series of connected line segments. It can be used to create open or closed shapes, and each segment can be a straight line or a curve.

 

(6ai&6aii)

 

 

(6b)

(i) Compiler: A compiler is a language translator that converts the entire high-level program (like C++ or Java) into machine code before execution. It checks for syntax errors and reports them all at once. Once compiled successfully, the program can run multiple times without needing the compiler again.

 

(ii) Interpreter: An interpreter translates and executes a high-level program line by line. It stops and shows errors as it reads each line, which makes it slower but helpful for debugging during development.

 

Neco 2025 Computer Studies Question And Answer

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