WAEC 2021 - COMPUTER ANSWER

COMPUTER STUDIES
1-10: BCACCBCBDC
11-20: BABAAACADD
21-30: DCDBCCAABD
31-40: AADBDBBBBA
41-50: ABABACACDC



(1a)
Reports in a database are the reports created from a culmination of queried data visualized for the purposes of analysis, data discovery, and decision-making. In other words database reports can be created through traditional BI platforms and embedded BI platforms through front-end calls to a backend database.

(1b)
(i) Tables
(ii) chart
(iii) JSON document
(iv) Graph

(1c)
(i) Select the report that you want to print.
(ii) Click File
(iii) Then click Print.
(iv) On the Print area of the File options, click the Print option to open the Print dialog box.
(v) Change the page format setup or other print options or printer selection as needed.
(vi) And then click OK to print your report.

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(2)





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(4ai)
Computer graphics is the use of computers to create and manipulate pictures on a display device. In other words although the term often refers to the study of three-dimensional computer graphics, it also encompasses two-dimensional graphics and image processing.

(4aii)
(i) Signage
(ii) Branding

(4bii)
Interactive Fill tool: This allows you to add the same fills to objects as the normal fill tool, but in an interactive way you set the fills properties in an interactive way

(4biii)
Texture Fill tool: This is used to give objects a natural appearance. You can use existing texture fills, such as water, minerals, and clouds, or you can edit a texture to create your own texture fill. You can use colors from any color model or palette.

(4iii)
Evenlope Tool: Envelope Tool is used to create and manipulate "control points" at various points in the track. The control points then determine its volume changes over time.

(4iv)
Extrude Tool: The Extrude tool is used in conjunction with an existing 2D shape or shapes in the scene. It allows you to create an extruded 3D shape from the selected 2D shape by defining various parameters.

(4ci)
Mesh fill tool

(4cii)
Interactive blend tool

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