Computer Science
Class-VI
Chapter-14 Algorithms and Flowcharts
A. Tick the correct answer:
1. An__________________ represents a start or end point.
a. oval b. line c. parallelogram d. rectangle
Answer: Oval
2. A line is a ______________ that shows relationships between the representative shapes.
a. process b. connector c. proces d. decision
Answer: Connector
3. A _________________ represents input or output.
a. rectangle b. diamond c. parallelogram d. line
Answer: Parallelogram
4. A _____________ represents a process.
a. line b. diamond c. arrow d. rectangle
Answer: Rectangle
5. A diamond indicates a _____________.
a. decision b. process c. output d. end point
Answer: Decision
6. The type of diagram dictates the flowchart__________ that are used.
a. inputs b. symbols c. decisions d. directions
Answer: Symbols
B. Fill in the blanks:
1. To handle a ______________ we need to make a better plan.
Answer: Problem
2. In computer programming we need to ______________.
Answer: Plan
3. It will be easier to code a program after we have well prepared___________.
Answer: Algorithm
4. Flowcharts provide a step-by-step_____________________.
Answer: Diagram
5. Flowcharts provide an easy way of ____________________.
Answer: Communication
6. Flowcharts represent the flow of ______________________.
Answer: Data
C. Write true or false:
1. Flowcharts give a clear overview of the entire program.
Answer: T
2. Flowcharts check the accuracy in practical flow.
Answer: F
3. Flowcharts documents the steps followed in an algorithm.
Answer: T
4. Flowcharts provide the facility for decoding.
Answer: T
5. Flowcharts provide the way of modification of running program.
Answer: T
6. Flowcharts show all major elements and their relationship.
Answer: T
D. Answer the following questions:
1. What does an oval shape in flowchart represent?
Answer: An oval represents a start or end point.
2. What does a rectangle represent in a flowchart?
Answer: A rectangle represents a process.
3. Write any four features of flowcharts.
Answer:
1. Flowcharts give a clear overview of the entire program.
2. Flowcharts check the accuracy in logic flow.
3. Flowcharts documents the steps followed in an algorithm.
4. They provide the facility for coding.
4. What is an algorithm?
Answer: An algorithm is a set of step-by-step instructions for processing data.
5. What is a flowchart?
Answer: A flowchart is a graphical representation of decisions and their results.
6. What is the importance of symbols in a flowchart?
Answer: Flowcharts use special shapes to represent different types of actions. They use lines and arrows to show sequence of the steps. These are known as flowchart symbols.
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