76. A variable created inside a function is:
- constant
- global
- static for the whole program
- local
Answer: D) local
Explanation: It exists only inside that function. SLO CS-11-C-06
MCQs / Computer Science / Unit 3: Programming Fundamentals
Unit 3: Programming Fundamentals MCQs — Computer Science (page 4)
116 multiple-choice questions on Unit 3: Programming Fundamentals from Computer Science, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.
77. input() always returns a value of type:
- int
- bool
- str
- float
Answer: C) str
Explanation: The input is text; convert it with int() or float(). SLO CS-11-C-02
78. What is printed? python def ctof(c): return c 9 / 5 + 32 print(ctof(100))
- 32
- 100
- 180.0
- 212.0
Answer: D) 212.0
Explanation: 100 × 9/5 + 32 = 212.0. SLO CS-11-C-06
79. What is the index of the first item of a Python list?
- 0
- -1
- It depends on the list
- 1
Answer: A) 0
Explanation: Indexes start at 0. SLO CS-11-C-05
80. What is printed? (a function with a bug) python def average(a, b): return a + b / 2 print(average(4, 6))
- 5.0
- 7.0
- 3.0
- 10
Answer: B) 7.0
Explanation: Division happens first: 4 + 3.0 = 7.0 – a logical error. SLO CS-11-C-07
81. Which keyword immediately exits a loop?
- continue
- exitloop
- break
- pass
Answer: C) break
Explanation: break leaves the loop; continue skips to the next repetition. SLO CS-11-C-02
82. How many times does the loop body run? python i = 0 c = 0 while i < 8: c += 1 i += 2 print(c)
- 3
- infinite
- 4
- 5
Answer: C) 4
Explanation: i takes 0, 2, 4, 6 – four repetitions. SLO CS-11-C-02
83. A shape made of several simple shapes (e.g. a house of a square and a triangle) is called a:
- compound shape
- fractal
- polygon only
- primitive shape
Answer: A) compound shape
Explanation: Compound shapes combine simple shapes, often using penup/goto. SLO CS-11-C-03
84. Which is a built-in function?
- len()
- celsius()
- greet()
- area()
Answer: A) len()
Explanation: len() comes with Python; the others are user-defined. SLO CS-11-C-06
85. Using math.sqrt() without knowing how square root is calculated inside is an example of:
- decomposition
- debugging
- iteration
- abstraction
Answer: D) abstraction
Explanation: Abstraction hides implementation details. SLO CS-11-C-04
86. To change a global variable inside a function you must use:
- global
- local
- def
- return
Answer: A) global
Explanation: The global statement allows assignment to a global variable. SLO CS-11-C-06
87. Which translator converts and executes a Python program one statement at a time?
- Assembler
- Compiler
- Linker
- Interpreter
Answer: D) Interpreter
Explanation: Python is interpreted line by line and stops at the first error. SLO CS-11-C-01
88. Which statement sends a value back to the caller?
- break
- yieldback
- return
Answer: C) return
Explanation: return ends the function and gives a value back. SLO CS-11-C-06
89. int("abc") raises:
- ValueError
- TypeError
- KeyError
- SyntaxError
Answer: A) ValueError
Explanation: The string cannot be converted to an integer. SLO CS-11-C-07
90. Manually going through code line by line with a trace table is called:
- compiling
- encryption
- deployment
- dry run
Answer: D) dry run
Explanation: A dry run (desk check) is done by hand. SLO CS-11-C-07
91. What is the output of print(7 // 2)? python print(7 // 2)
- 3
- 1
- 4
- 3.5
Answer: A) 3
Explanation: // is floor division: it gives the whole-number part. SLO CS-11-C-02
92. Reading a value with input() belongs to which IPO stage?
- Input
- Output
- Process
- Storage
Answer: A) Input
Explanation: input() takes data from the user. SLO CS-11-C-01
93. What is printed? python import math print(math.ceil(4.2), math.floor(4.8))
- 5 4
- 4 4
- 4 5
- 5 5
Answer: A) 5 4
Explanation: ceil rounds up, floor rounds down. SLO CS-11-C-04
94. random.randint(1, 6) can return:
- a decimal between 1 and 6
- any whole number from 1 to 6
- only 6
- only 1 to 5
Answer: B) any whole number from 1 to 6
Explanation: randint includes both end points. SLO CS-11-C-04
95. What is printed? python c = ["Karachi", "Quetta", "Lahore"] print(c[-1])
- Error
- Lahore
- Karachi
- Quetta
Answer: B) Lahore
Explanation: Index −1 is the last item. SLO CS-11-C-05
96. Which method fills a shape with colour?
- fill()
- paint()
- colorshape()
- beginfill() and endfill()
Answer: D) beginfill() and endfill()
Explanation: Lines drawn between beginfill() and endfill() are filled. SLO CS-11-C-03
97. In the IPO model, the CPU performs the:
- output
- processing
- input
- storage only
Answer: B) processing
Explanation: The CPU executes instructions to process data. SLO CS-11-C-01
98. What is the output of print(17 % 5)? python print(17 % 5)
- 3
- 2
- 5
- 3.4
Answer: B) 2
Explanation: % gives the remainder: 17 = 5 × 3 + 2. SLO CS-11-C-02
99. An error that breaks the grammar rules of Python, such as a missing bracket, is a:
- logical error
- syntax error
- runtime error
- hardware error
Answer: B) syntax error
Explanation: Syntax errors are found before the program runs. SLO CS-11-C-07
100. Which keyword defines a function in Python?
- def
- func
- define
- function
Answer: A) def
Explanation: def name(parameters): defines a function. SLO CS-11-C-06
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