2024 WAEC Data Processing (OBJ/ESSAY) Questions and Answers Expo

Complete 2024 WAEC May/June Data Processing OBJ & ESSAY Questions and Answers EXPO Room (21st June) for School Candidates | WAEC Data Processing Questions and Answers. 2024 May/June for WAEC FREE QUESTION AND ANSWER ROOM FOR DATA PROCESSING [School Candidates]








2024 WAEC Data Processing (OBJ) OBJECTIVE ANSWERS:

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2024 WAEC Data Processing (ESSAY) THEORY ANSWERS:

 
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(1a)
(i) Access to vast information resources.
(ii) Facilitation of distance learning.
(iii) Collaboration opportunities among students and educators.
(iv) Enhanced interactive learning experiences.

(1b)
(i) Corrective maintenance addresses problems identified through testing or user feedback.
(ii) Adaptive maintenance modifies software to accommodate changes in the environment.
(iii) Preventive maintenance proactively addresses potential issues to prevent failures.

WAEC 2024 DATA PROCESSING ANSWERS
(1a)
(i)Access to vast amounts of information for research and learning.
(ii)Facilitation of communication and collaboration among students and teachers.
(iii)Provision of online resources and tools for interactive learning experiences.
(iv)Flexibility in learning schedules and access to online courses and materials.

(1b)
(i) Corrective maintenance involves fixing errors or defects in software or hardware after they have been detected.
(ii) Adaptive maintenance refers to making changes to software or hardware to keep it usable in a changing environment or with new requirements.
(iii) Preventive maintenance aims to prevent issues by regularly updating, monitoring, and maintaining software or hardware to avoid potential failures.

(2ai)
File organization is the way data is stored and arranged in a file system to facilitate efficient retrieval and storage of information.

(2aii)
– Sequential File Organization:
II. Records are inserted one after the other.
– Direct (Random) File Organization:
IV. It generates random key to identify location.
– Indexed File Organization:
I. It does not support the use of tapes.
– Hashed File Organization:
III. It does not generate random keys to identify location.
 
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 *WAEC DATA PROCESSING*

 *NUMBER FIVE*

(5a) 
CREATING A NEW TABLE:
(i) Click on the "Create" tab in the ribbon.
(ii) Click on the "Table" button.
(iii) A new table will appear in the database window.
(iv) Add the necessary fields by clicking on the "Field Name" column and typing the name of the field.
(v) Set the data type for each field by clicking on the "Data Type" column and selecting the appropriate data type.
(vi) Repeat steps 4 and 5 for each field you need to add.
(vii) Save the table by clicking on the "Save" button and providing a name for the table.

(5b) 
GENERATING A QUERY:
(i) Click on the "Create" tab in the ribbon.
(ii) Click on the "Query Design" button.
(iii) A new query design window will appear.
(iv) In the Show Table dialog box, select the table(s) you want to include in the query and click "Add".
(v) Drag the fields you want to include from the table(s) to the design grid.
(vi) Customize the query as needed, such as adding criteria, sorting, or grouping.
(vii) Click on the "Run" button to execute the query.
(viii) Save the query by clicking on the "Save" button and providing a name for the query.

(5c) 
CREATING A SPLIT FORM:
(i) Click on the "Create" tab in the ribbon.
(ii) Click on the "Form" button and select "Split Form" from the dropdown menu.
(iii) In the Select Table or Query dialog box, select the table or query you want to use as the data source for the form.
(iv) The split form will appear in the database window, with the form and datasheet views side by side.
(v) Customize the form layout and design as needed.
(vi) Save the form by clicking on the "Save" button and providing a name for the form.

(5d) 
PRINTING A REPORT:
(i) Click on the "Create" tab in the ribbon.
(ii) Click on the "Report" button.
(iii) In the Select Table or Query dialog box, select the table or query you want to use as the data source for the report.
(iv) The report will appear in the database window.
(v) Customize the report layout and design as needed, such as adding headers, footers, and sorting.
(vi) Click on the "Print Preview" button to preview the report.
(vii) Click on the "Print" button to print the report.
 
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2024 WAEC Data Processing (OBJ/ESSAY) Questions and Answers Expo

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See last year WAEC Data Processing Questions and answers below: 

2023 DATA PROCESSING OBJ

1-10: DCDABBCDCC

11-20: BAADBACCAD

21-30: CBACABBDCD

31-40: CADBBDCADD

DATA PROCESSING ESSAY

NUMBER 1

Disk Space Analyzer

  • Helps to identify files and folders taking up excessive space on the hard drive.
  • Provides graphical representation of disk usage.
  • Facilitates sorting of large files and folders by size.
  • Enables deletion of unnecessary files, freeing up disk space.
  • Optimizes computer performance by reducing unnecessary file clutter.

Backup Utility

  • Creates backup copies of data files and settings.
  • Provides automated backup schedule for data synchronization.
  • Offers various backup types like full, differential, or incremental.
  • Ensures data security through encryption and password protection.
  • Allows data restoration from backups in case of system failure or data loss.
  • Ensures business continuity during disasters.

Register Cleaner

  • Scans Windows Registry for errors and invalid entries.
  • Cleans up obsolete, redundant, and unwanted registry entries.
  • Improves overall performance by accelerating Windows boot-up times.
  • Streamlines the registry system.
  • Prevents system crashes and enhances operating system stability.

File Manager

  • Manages files and folders on the computer.
  • User-friendly interface for navigating and opening files.
  • Allows creation, deletion, and renaming of files and folders.
  • Organizes files and folders with group creation.
  • Facilitates file and folder transfer between different locations.
  • Advanced search features for locating specific files or folders.

Uninstaller

  • Removes unwanted software or applications.
  • Removes traces of uninstalled software from the system.
  • Can uninstall multiple applications simultaneously.
  • Provides complete list of installed programs.
  • Ensures complete and safe removal of software, including registry entries and associated files.
  • Improves system performance by freeing up disk space previously occupied by uninstalled software.

NUMBER 2

Malware

  • Malicious software designed to harm or exploit devices, services, or networks.
  • Types include Trojan horses, ransomware, and spyware.

Signs of Malware

  • Unexpected freezing or crashing.
  • Diminished storage space.
  • Unusual error messages.

Preventive Measures

  • Keep computer and software updated.
  • Use non-administrator account whenever possible.

NUMBER 3

Graphic Design Tools

  • Used by architects and graphic designers.

Tools:

  1. Pick Tool
  2. Shape Edit Tool
  3. Crop Tool

Descriptions:

  • Pick Tool: Selects, arranges, and modifies objects.
  • Shape Edit Tool: Edits object shapes.
  • Crop Tool: Removes unwanted areas in objects.

Uses:

  • Improves perspective and quality of images.
  • Converts raster images to vector images.

NUMBER 4

Database Fragmentation and Replication

Fragmentation:

  • Fragmentation divides database into smaller fragments.
  • Replication involves creating and maintaining duplicate copies of database.

Advantages:

  • Improved Data Availability
  • Increased Scalability
  • Enhanced Performance
  • Localized Access
  • Disaster Recovery

Types of Fragmentation:

  1. Horizontal Fragmentation
  2. Vertical Fragmentation
  3. Hybrid Fragmentation

Examples of Database:

  • Oracle Database
  • Microsoft SQL Server
  • MySQL
  • IBM Db2
  • Microsoft Access.
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