Computer 9th Chap 2 : Topic 2.12 - Maryam Publications

Computer Chapter 2 : Topic 2.12

Solve simple and complex problems computationally.

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Which action best represents correctly identifying inputs and outputs in a computational problem solution design process?

A) Determining what data is required and what result must be produced

B) Selecting hardware components for execution

C) Writing program code before understanding requirements

D) Designing user interface before logic

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In computational problem-solving, what does the term “input” most accurately refer to during system analysis?

A) Programming language syntax

B) Final result displayed to the user

C) Hardware configuration settings

D) Data provided to the system for processing

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What is meant by “output” when identifying components of a computational solution?

A) Data entered by the user

B) Algorithm design steps

C) Memory storage location

D) Processed result produced by the system

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Why is identifying inputs and outputs important before designing a solution?

A) It removes the need for processing steps

B) It eliminates debugging completely

C) It ensures clarity of what the system should accept and produce

D) It increases program complexity

5 / 20

Which of the following best demonstrates correct identification of inputs in a student grading system?

A) Printed report card

B) Final grade (A, B,

C) Teacher comments

D) Student marks obtained in exams

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In a calculator application, what is considered the output?

A) Mathematical operations selected

B) Keyboard input device

C) Numbers entered by the user

D) Result of the calculation

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Which step helps in clearly identifying inputs and outputs in a computational problem?

A) Analyzing the problem statement carefully

B) Choosing a monitor

C) Installing software tools

D) Writing code directly

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What is the correct relationship between input and output in a computational system?

A) Output is entered before input

B) Output is unrelated to input

C) Input replaces processing

D) Input is processed to produce output

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Which of the following best describes a correct input-output pair for a temperature converter system?

A) Input: temperature in Celsius, Output: temperature in Fahrenheit

B) Input: file name, Output: computer brand

C) Input: color of object, Output: sound frequency

D) Input: keyboard type, Output: mouse speed

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Why is output specification important in system design?

A) It defines what result the system must produce

B) It removes need for inputs

C) It determines programming language choice

D) It eliminates processing logic

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What is the main purpose of identifying inputs and outputs in computational thinking?

A) To eliminate problem analysis

B) To avoid writing algorithms

C) To design hardware systems

D) To clearly define what data is needed and what result is expected

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Which of the following is NOT an input in a payroll calculation system?

A) Employee working hours

B) Bonus percentage

C) Hourly wage rate

D) Final salary amount

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What is the first step in identifying inputs and outputs of a problem?

A) Writing program code

B) Selecting output format

C) Reading and understanding the problem statement

D) Testing the system

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In a ticket booking system, which of the following is an output?

A) Travel date

B) Confirmed ticket

C) Seat selection

D) User name

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How does identifying inputs and outputs help in algorithm design?

A) It eliminates variables

B) It removes need for logic

C) It provides structure for designing step-by-step solution

D) It increases randomness

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Which of the following is a correct input-output example for a login system?

A) Input: username and password, Output: access granted or denied

B) Input: CPU type, Output: internet speed

C) Input: printer model, Output: file size

D) Input: screen color, Output: sound volume

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Why must inputs be clearly defined before solving a computational problem?

A) To ensure correct data is provided for processing

B) To increase system errors

C) To eliminate algorithms

D) To avoid output generation

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What happens if outputs are not properly defined in a solution?

A) System becomes faster

B) System produces unclear or incorrect results

C) Processing is removed

D) Inputs become unnecessary

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Which tool is commonly used to represent inputs, processes, and outputs clearly?

A) Antivirus software

B) Keyboard

C) Web browser

D) Flowchart

20 / 20

What is the final goal of identifying inputs and outputs in computational problem-solving?

A) To define a clear structure for solving the problem efficiently

B) To avoid using logic

C) To remove processing steps

D) To increase coding difficulty

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