SUBJECT : INFORMATION AND COMMUNICATION TECHNOLOGY
TERM:
SESSION:
SCHOOL:
CLASS :
Educator :
THIRD
2022/2023
CHRISLAND SCHOOLS
YEAR EIGHT
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TABLE OF CONTENT 3rd TERM
WEEK 1: FLOWCHART
WEEK 2: LOGIC GATES AND TRUTH TABLE
WEEK 3: LOGIC GATES AND TRUTH TABLE
WEEK 5:COMPUTER DATABASE
WEEK 7: THE COMPUTER NETWORK
AND INTERNET
WEEK 4: COMPUTER DATABASE
WEEK 6: MID TERM BREAK
WEEK 8: THE COMPUTER NETWORK AND
INTERNET
WEEK 9: REVISION
WEEK 10: Examination
Keep Safe . Keep Healthy.
Digital Class
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Learning Objectives
By the end of the lesson; the students
should be able to;
1. Define the term flowchart
2. Highlight some advantages of flowchart.
3. Draw and name flowchart symbols.
4. Draw flowchart for a simple problem.
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Topic: Flowcharts
Guiding Learning
Questions
What the
meaning of
the term
Flowchart?
Answers to Guiding Learning Question.
Place
Picture/Diagr
am Video
here
A flowchart is a
graphical
representation of the
operations involved in
a data processing
system.
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Topic: Flowcharts
Guiding Learning
Questions
What the
meaning of
the term
Flowchart?
Answers to Guiding Learning Question.
Place
Picture/Diagr
am Video
here
Symbols are used to
represent particular
operations or data.
Flow lines indicate the
sequence of
operations (Top to
down sequence)
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Topic: Flowcharts
Guiding Learning
Questions
Highlight
advantages
of using
flowcharts.
Answers to Guiding Learning Question.
Place
Picture/Diagr
am Video
here
Communication: Flow
charts are better way
of communicating the
logic of a system to all
concerned or
involved.
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Topic: Flowcharts
Guiding Learning
Questions
Highlight
advantages
of using
flowcharts.
Answers to Guiding Learning Question.
Place
Picture/Diagr
am Video
here
Effective analysis:
With the help
of flowchart, problem
can be analyzed in
more effective way
therefore reducing
cost
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Topic: Flowcharts
Guiding Learning
Questions
Identify the
names &
functions
of the
following
symbols
Answers to Guiding Learning Question.
Place
Picture/Diagr
am Video
here
1. Terminal Symbol
2. Input/Output
symbol
3. Connector
4. Process
5. Decision Symbol
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Topic: Flowcharts
Guiding Learning
Questions
Identify the
names &
functions
of the
following
symbols
Answers to Guiding Learning Question.
6. Stored data
7. Document symbol
8. Manual Input
9. Direct Data
10. Predefined
Process
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Topic: Flowcharts
Guiding Learning
Questions
Answers to Guiding Learning Question.
Work Problem 1
Find the total of
two numbers
Work Problem 2
Find the average of
two students
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Topic: Flowcharts
Guiding Learning
Questions
Answers to Guiding Learning Question.
Class Work
Input a mark:
Print “Fail” if it
is less than 50,
otherwise print
“Pass”
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Class : Year 10 Term: …W: …
Yr: …
Topic : Flowcharts
Subject : ICT
Guiding learning
Questions
Sub point
What the
meaning of
the term
Flowchart?
Answers to the Guiding Questions
A flowchart is a graphical representation
of the operations involved in a data
processing system. Symbols are used to
represent particular operations or data.
Flow lines indicate the sequence of
operations (Top to down sequence).
Caption
Sub point
Guiding learning
Questions
• Name any five
flowchart symbols
with their
functions
Answers to the Guiding Questions
Caption
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Learning Follow-up Assignment
1. Draw a flowchart for the problem below;
Input the length L and the breadth B, calculate
and output the area of a rectangle.
2. Draw and name 5 flowchart symbols.
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Year 8 ICT
Week 2
Keep Safe . Keep Healthy.
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then WRITE DOWN THE KEY POINTS.
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Picture here
Topic
?
What can you deduce from the
image above?
ICT
Subject
YEAR 8
Class
Week 2 Term 3, 2023
Week, Term & Year
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Picture here
Topic: Logic Gate & Truth Table
ICT
SUBJECT
Year 8
Mr.
Week 2 Term 3, 2023
CLASS
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Week 1, 3rd Term & Year 2021
Learning Objectives
By the end of the lesson; the students
should be able;
1.
2.
3.
4.
To define Logic Gates.
To Use Logic operations (OR, AND, NOT).
Identify and draw Logic Symbols.
Draw a Truth Table for the Logic Gates.
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Topic: Logic Gate & Truth Table
Answers to Guiding Learning
Question.
Guiding Learning
Questions
In simple
terms,
define
“Logic Gate”
A logic gate is a physical
device that performs a
Boolean function or
logical operation. They are
most commonly
implemented using
electronic VLSI logic
(diode and transistor).
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Topic: Logic Gate & Truth Table
Guiding Learning
Questions
In simple
terms, define
“Logic Gate”
Answers to Guiding Learning
Question.
Logic gates process
signals which represent
true or false. Normally,
the positive supply
voltage +5V represent
true and 0V represents
false.
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Topic: Logic Gate & Truth Table
Guiding Learning
Questions
Highlight the
“Logic states”
Answers to Guiding Learning
Question.
True
False
1
0
High
Low
On
Off
+5V
0V
Logic states are;
1. True/False
2. 1 and 0
3. High and Low
4. On and Off
5. +5v and 0v
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Topic: Logic Gate & Truth Table
Guiding Learning
Questions
What are
gates?
Answers to Guiding Learning
Question.
True
False
1
0
High
Low
On
Off
+5V
0V
Gates are identified by
their function: AND, OR,
NOT, NAND, NOR.
Capital letters are
normally used to make it
clear that the term
refers to a logic gate.
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Topic: Logic Gate & Truth Table
Guiding Learning
Questions
Highlight the
basic logic
gates
Answers to Guiding Learning
Question.
True
False
1
0
High
Low
On
Off
+5V
0V
The above said logic
gates can be classified
into the following
categories:
1. Basic Logic Gates
a. AND Gate
b. OR Gate
c. NOT Gate
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Topic: Logic Gate & Truth Table
Guiding Learning
Questions
List the
universal
gates
Answers to Guiding Learning
Question.
True
False
1
0
High
Low
On
Off
+5V
0V
2. Universal Gates
a. NAND Gate
b. NOR Gate
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Topic: Logic Gate & Truth Table (AND Gate)
Guiding Learning
Questions
With the aid
of diagram;
define “AND
Gate”
Answers to Guiding Learning Question.
AND Gate
The AND gate is an
electronic circuit that gives
a high output (1) only if all
its inputs are high. A dot (.)
is used to show the AND
operation i.e. A.B. Bear in
mind that this dot is
sometimes omitted i.e. AB
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Topic: Logic Gate & Truth Table (AND Gate)
Guiding Learning
Questions
With the aid
of diagram;
define “OR
Gate”
Answers to Guiding Learning Question.
OR Gate
The OR gate is an
electronic circuit that
gives a high output (1) if
one or more of its inputs
are high. A plus (+) is used
to show the OR operation.
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Topic: Logic Gate & Truth Table (NOT Gate)
Guiding Learning
Questions
With the aid
of diagram;
define “NOT
Gate”
Answers to Guiding Learning Question.
The NOT gate is an
electronic circuit that
produces an inverted
version of the input at its
output. It is also known as
an inverter. If the input
variable is A, the inverted
output is known as NOT A.
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Logic Gates and Truth Tables
ASSIGNMENT
1. Define a logic gate.
2. List 3 logic gates and their symbols.
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Year 8 ICT
Week 3
Keep Safe . Keep Healthy.
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then WRITE DOWN THE KEY POINTS.
WRITE DOWN THE KEY POINTS.
Learning Objectives
By the end of the lesson; the students
should be able;
1. To Use Logic operations (NAND & NOR).
2. Identify and draw Logic Symbols.
3. Draw a Truth Table for the Logic Gates.
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Topic: UNIVERSAL GATES (NAND Gate)
Guiding Learning
Questions
With the aid
of diagram;
define
“NAND Gate”
Answers to Guiding Learning Question.
NAND Gate
This is a NOT-AND gate which
is equal to an AND gate
followed by a NOT gate. The
outputs of all NAND gates are
high if any of the inputs are
low. The symbol is an AND
gate with a small circle on the
output. The small circle
represents inversion.
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Topic: UNIVERSAL GATES (NOR Gate)
Guiding Learning
Questions
With the aid
of diagram;
define
“NAND Gate”
Answers to Guiding Learning Question.
NOR Gate
This is a NOT-OR gate which is
equal to an OR gate followed
by a NOT gate. The outputs of
all NOR gates are low if any of
the inputs are high. The
symbol is an OR gate with a
small circle on the output.
The small circle represents
inversion.
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Key Points and Picture/Diagram
A logic gate is a physical
device that performs a
Boolean function or logical
operation.
Point 1
. Basic Logic Gates
. Universal Gates
a. AND Gate
a. NAND Gate
b. OR Gate
b. NOR Gate
c. NOT Gate
Point 2
Point 3
AND Gate
OR Gate
The AND gate is an electronic
circuit that gives a high output (1)
only if all its inputs are high. A
dot (.) is used to show the AND
operation i.e. A.B. Bear in mind
that this dot is sometimes omitted
i.e. AB
The OR gate is an
electronic circuit that
gives a high output (1) if
one or more of its inputs
are high. A plus (+) is used
to show the OR operation.
Point 6
Point 4
Point 5
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Key Points and Picture/Diagram
NOT gate
The NOT gate is an
electronic circuit that
produces an inverted version
of the input at its output. It is
also known as an inverter.
Point 1
Point 2
NAND Gate
NOR Gate
This is a NOT-OR gate which is
equal to an OR gate followed
by a NOT gate. The outputs of
all NOR gates are low if any of
the inputs are high
This is a NOT-AND gate which is
equal to an AND gate followed by
a NOT gate. The outputs of all
NAND gates are high if any of the
inputs are low. i.e. AB
Point 4
Point 3
Point 5
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Point 6
Learning Follow-up Assignment
Draw the symbol and the truth table for the following
Logic Gates:
• AND
• OR
• NAND
• NOR
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