CS 1101 Week 5

Description

AS - Level Computer Science (CS 1101 Python) Quiz on CS 1101 Week 5 , created by Troy Bowlin on 18/05/2016.
Troy Bowlin
Quiz by Troy Bowlin, updated more than 1 year ago
Troy Bowlin
Created by Troy Bowlin almost 8 years ago
125
1

Resource summary

Question 1

Question
What does the function subroutine do? def subroutine(n): while n>0: print(n,) n-=1
Answer
  • Counts down from 10 to 0 and displays each number
  • Counts from n down to 1 and displays each number
  • Calculates the sum of n numbers greater than 0
  • Calculates the mean of n

Question 2

Question
What output will the following python command produce: >>>percentage = float (60*100)/50 >>>print(percentage)
Answer
  • percentage
  • 109
  • 109.0909090909091
  • 109.0

Question 3

Question
What outputs will the following python commands produce: n=10000 count=0 while n: count=count+1 n=n//10 print(count)
Answer
  • 5
  • 0
  • 10000
  • 1000

Question 4

Question
What output will the following python commands produce: x=5 if x%2==0: print(x) else: print(x,x%2)
Answer
  • 5
  • 5 1
  • 2
  • 5 0

Question 5

Question
What is the output of the following statements? pi=float(3.14159) print(pi)
Answer
  • 3
  • 3.0
  • 3.14159
  • 0

Question 6

Question
Expressions evaluate to either True or False:. What will the output of the following code be when the expression "Ni!" is evaluated? if "Ni!" print("We are the knights who say, "Ni!") else print("Stop it! No more of this!")
Answer
  • Stop it!
  • We are the knights who say, "Ni!"
  • Stop it! No more of this!
  • No output will be produced

Question 7

Question
What output will the following python commands produce: x=1 y=2 if x==y: print(x,"and",y,"are equal") else if x<y: print(x,"is less than", y) else print(x,"is greater than",y)
Answer
  • 1 and 2 are equal
  • 1 is less than 2
  • 1 is greater than 2
  • 2 is greater than 2

Question 8

Question
The following code is an example of what principle? bruce=5 print(bruce,) bruce=7 print(bruce)
Answer
  • Multiple Assignment
  • An iteration or loop structure
  • A logical operator
  • A conditional operator

Question 9

Question
The % or modulus operator returns the remainder present when two integers do not divide evenly into one another
Answer
  • True
  • False

Question 10

Question
An algorithm is a step by step process for solving a problem
Answer
  • True
  • False

Question 11

Question
Functions allow the programmer to encapsulate and generalize sections of code.
Answer
  • True
  • False

Question 12

Question
One way to generalize a function is to replace a variable with a value.
Answer
  • True
  • False

Question 13

Question
A variable name defined in a function cannot appear in the calling program because it will cause a conflict error.
Answer
  • True
  • False
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