Chapter Exam

Chapter-4 Computational Thinking & Programming in Python — Online MCQ Test

Q: What is a variable in Python?

Answer: A. A named storage location that holds a value — A variable is a named container that stores data values which can be used and modified throughout a program.

Q: Which of the following is an integer data type?

Answer: B. -25 — An integer is a whole number without decimal points; -25 is a valid integer while 3.14 and 3.0 are floats.

Q: What will be the output of: x = 5; print(x + 3)?

Answer: B. 8 — The variable x holds value 5, and adding 3 to it gives 8, which is printed.

INFORMATION TECHNOLOGY · Grade 7 · CBSE(NCERT)

Practice Chapter-4 Computational Thinking & Programming in Python with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 7 INFORMATION TECHNOLOGY. This chapter covers: data types - variables - integer - float - string - if-else - for loop - while loop - Python syntax. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-4 Computational Thinking & Programming in Python — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 7 INFORMATION TECHNOLOGY — Chapter-4 Computational Thinking & Programming in Python, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is a variable in Python?

A. A named storage location that holds a value ✓
B. A mathematical equation
C. A loop statement
D. A function definition

Answer: A. A named storage location that holds a value
A variable is a named container that stores data values which can be used and modified throughout a program.

Which of the following is an integer data type?

A. 3.14
B. -25 ✓
C. "Hello"
D. 3.0

Answer: B. -25
An integer is a whole number without decimal points; -25 is a valid integer while 3.14 and 3.0 are floats.

What will be the output of: x = 5; print(x + 3)?

A. 53
B. 8 ✓
C. 5 + 3
D. Error

Answer: B. 8
The variable x holds value 5, and adding 3 to it gives 8, which is printed.

What is the difference between a 'for' loop and a 'while' loop?

A. For loops are faster than while loops
B. For loops are used for a set number of iterations; while loops continue until a condition is false ✓
C. While loops cannot contain variables
D. For loops can only work with strings

Answer: B. For loops are used for a set number of iterations; while loops continue until a condition is false
For loops iterate a predetermined number of times (often using range), while while loops repeat as long as a condition remains true.

Considering computational thinking principles, which statement is TRUE about algorithm design?

A. Algorithms must always use loops
B. An algorithm is a step-by-step procedure to solve a problem ✓
C. Algorithms can only be written in Python
D. All algorithms require conditional statements

Answer: B. An algorithm is a step-by-step procedure to solve a problem
An algorithm is a logical sequence of instructions; while loops and conditionals are tools, not requirements for all algorithms.