Here is a comprehensive waec computer science answers for 2020 exam. Make sure you correspond your questions with the answers here before writing. Make sure you share to your friends. Good luck
Objective answers
1-10: DADDCACABB
11-20:CABBCDDDBA
21-30:CDABBAADCD
31-40:BDBCABBCAD
41-50:DDCBDBDCAA
A flowchart is a type of diagram that represents an algorithm, workflow or process. The flowchart shows the steps as boxes of various kinds, and their order by connecting the boxes with arrows. This diagrammatic representation illustrates a solution model to a given problem.while algorithm a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.
5a)
An algorithm is a step-by-step analysis of the process, while a flowchart explains the steps of a program in a graphical way.
5bi)Always format your flow from left to right or top to bottom.
Ii) Run your return lines under your flowchart, making sure that they don’t overlap.
Iii ) Maintain consistent spacing between symbols.
: 2ai)
Video conferencing is a technology that allows users in different locations to hold face-to-face meetings without having to move to a single location together.
(2aii)
In the table item you will tick is.
Tracker ball | Tick.
Codee √
Broadband √
Telephone √
Modern/router √
(2aiii)
(i)Wi-fi
(ii)Fire fox
(2b)
(i)fire wire IEFE 1394
(ii)Esata cable
================================
(3a)
The term home page is used to refer to the page that is the default page of any website. It is the main page of complex website
(3bi)
(i)To foster communication
(ii)For information resources
(3bii)
(i)Virus threat
(ii)Spamming
(3c)
(i)Firefox
(ii)Google
(iii)Internet explorer
(iv)Opera
================================
1a)
i.Adobe Photoshop.
ii.Corel PaintShop Pro.
iii.Skylum Luminar.
A flowchart is a type of diagram that represents an algorithm, workflow or process. The flowchart shows the steps as boxes of various kinds, and their order by connecting the boxes with arrows. This diagrammatic representation illustrates a solution model to a given problem.while algorithm a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.
======================
2ai)
Video conferencing is a technology that allows users in different locations to hold face-to-face meetings without having to move to a single location together.
(2aiii)
(i)Wi-fi
(ii)Fire fox
(2b)
(i)fire wire IEFE 1394
(ii)Esata cable
================================
ii.Corel PaintShop Pro.
iii.Skylum Luminar.
A flowchart is a type of diagram that represents an algorithm, workflow or process. The flowchart shows the steps as boxes of various kinds, and their order by connecting the boxes with arrows. This diagrammatic representation illustrates a solution model to a given problem.while algorithm a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.
======================
2ai)
Video conferencing is a technology that allows users in different locations to hold face-to-face meetings without having to move to a single location together.
(2aii)
In the table item you will tick is.
Tracker ball | Tick.
Codee √
Broadband √
Telephone √
Modern/router √
(2aiii)
(i)Wi-fi
(ii)Fire fox
=======================
(3a)
The term home page is used to refer to the page that is the default page of any website. It is the main page of complex website
(3bi)
(i)To foster communication
(ii)For information resources
(3bii)
(i)Virus threat
(ii)Spamming
(3c)
(i)Firefox
(ii)Google
(iii)Internet explorer
(iv)Opera
================================
5a)
An algorithm is a step-by-step analysis of the process, while a flowchart explains the steps of a program in a graphical way.
5bi)Always format your flow from left to right or top to bottom.
Ii) Run your return lines under your flowchart, making sure that they don’t overlap.
Iii ) Maintain consistent spacing between symbols.
===================
(5a)
flowchart is a type of diagram that represents a workflow or process while algorithm is a set of instructions designed to perform a specific task.
(5b)
(i)All data flows must flow to or from a process
(ii)A Process must have at least one input flow and one output flow.
(iii)The inputs to a process must be sufficient to produce output
flows.
(5c)
Solving…
1a)
i.Adobe Photoshop.
ii.Corel PaintShop Pro.
iii.Skylum Luminar.
A flowchart is a type of diagram that represents an algorithm, workflow or process. The flowchart shows the steps as boxes of various kinds, and their order by connecting the boxes with arrows. This diagrammatic representation illustrates a solution model to a given problem.while algorithm a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.
2ai)
Video conferencing is a technology that allows users in different locations to hold face-to-face meetings without having to move to a single location together.
(2aii)
In the table item you will tick is.
Tracker ball | Tick.
Codee √
Broadband √
Telephone √
Modern/router √
(2aiii)
(i)Wi-fi
(ii)Fire fox
2b
*(choose any 2)*
-CAT5,
-IDE/EIDE,
-SATA,
– USB cables.
===============================
(3a)
The term home page is used to refer to the page that is the default page of any website. It is the main page of complex website
(3bi)
(i)To foster communication
(ii)For information resources
(3bii)
(i)Virus threat
(ii)Spamming
(3c)
(i)Firefox
(ii)Google
(iii)Internet explorer
(iv)Opera
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