Quiz about Test 1 For Coding

Question 1

Which of the following is NOT an input device?

Accepted Answer

speaker

Answer

microphone

Answer

mouse

Answer

camera

Question 2

Which of the following is false about main and secondary memory?

Accepted Answer

Main memory is more permanent and used for storage, secondary memory is short term memory is used by the CPU in processing commands.

Answer

Main memory is short term memory used by the CPU in processing commands, secondary memory is more permanent and used for storage.

Answer

Main memory is faster than secondary memory.

Answer

Secondary memory is not lost when the device's power is turned off.

Question 3

Which of the following controls computer memory?

Accepted Answer

operating system

Answer

input

Answer

cpu

Answer

compiler

Question 4

What is the correct order for the steps the compiler uses in translating code?

Accepted Answer

Check for mistakes, Translate commands to machine language, Run the commands

Answer

Translate commands to machine language, Check for mistakes, Run the commands

Answer

Translate commands to machine language, Run the commands, Check for mistakes

Answer

Check for mistakes, Run the commands, Translate commands to machine language

Question 5

What is input?

Accepted Answer

Putting information into the computer.

Answer

Audio played from a speaker.

Answer

Compiling code.

Answer

Storing data in secondary memory.

Question 6

Which of the following is a legal variable name?

Accepted Answer

first_name

Answer

7counter

Answer

21

Answer

my var

Question 7

The two basic categories of variable data types are:

Accepted Answer

Strings and numbers

Answer

Output and input

Answer

Decimals and integers

Answer

Numbers and words

Question 8

What command is used to change a string into a number?

Accepted Answer

int()

Answer

num()

Answer

char()

Answer

str()

Question 9

What is output by the following?

print("Mary, had a, little lamb")

Accepted Answer

Mary, had a, little lamb

Answer

Mary, had a, little lamb

Answer

Mary, had a, little lamb

Answer

Mary,
had a,
little lamb

Question 10

What is output by the following? Assume the user enters 3 and 9.

a = input("Enter a number: ")
b = input("Enter a number: ")
print("Values: " + a + b)

Accepted Answer

Values: 39

Answer

39

Answer

12

Answer

Values: 12

Question 11

Which of the following correctly inputs two numbers and prints the sum?

Accepted Answer

x = int(input("Enter a number: "))
y = int(input("Enter a number: "))
print("The answer is: " + str(x + y))

Answer

x = input("Enter a number: ")
y = input("Enter a number: ")

Answer

x = input("Enter a number: ")
y = input("Enter a number: ")
print("The answer is: " + int(x + y))

Answer

x = int(input("Enter a number: "))
y = int(input("Enter a number: "))
print("The answer is: " + num(x + y))

Question 12

Consider the following code:

x = input("What year is it?") print(x)

The value stored in x is:

Accepted Answer

a string

Answer

stored in secondary memory

Answer

an int

Answer

a program

Question 13

Consider the following code:

print("python" + "program")

What is output?

Accepted Answer

pythonprogram

Answer

Nothing, there is an error - you cannot add words.

Answer

python program

Answer

python program

Question 14

What is one downside of converting analog information to a digital format?

Accepted Answer

Some information may be lost during the conversion process

Answer

Limits the technology available

Answer

It takes up too much space in secondary memory

Answer

When the power is turned off the information in main memory is lost

Question 15

The symbol used to create a comment is:

Accepted Answer

#

Answer

%

Answer

-

Answer

/

Question 16

Which of the following about computers is true?

Accepted Answer

The memory uses binary numbers.

Answer

The CPU is an input device.

Answer

Computing devices translate digital to analog information in order to process the information.

Answer

The operating system is an analog program.

Question 17

Which line of code outputs the decimal portion of a float stored in the variable y?

Accepted Answer

print(y - int(y))

Answer

print(y)

Answer

print(y % 100)

Answer

print(y / 100)

Question 18

Three of the following values could be stored as strings. When would you NOT use a string command?

Accepted Answer

To store a decimal number such as 3.14

Answer

To store values NOT used for calculations

Answer

To store a list of colors

Answer

To store a word

Question 19

Consider the following code:

x = input("Enter a number: ")
print(int(x))

What happens if the user types in A?

Accepted Answer

This would cause an error: a string cannot be typecast to an integer

Answer

It prints 24

Answer

It prints A

Answer

This would cause an error: float() should be used

Question 20

Which of the following is NOT a data type in Python?

Accepted Answer

decimal

Answer

integer

Answer

float

Answer

string

Question 21

Which of the following numbers might this code generate: random.randint(3, 11)?

Accepted Answer

5

Answer

1

Answer

5.5

Answer

12

Question 22

What is NOT a built-in function in python?

Accepted Answer

string()

Answer

sqrt()

Answer

fabs()

Answer

print()

Question 23

To generate numbers between and including -5 to 5 you would use:

Accepted Answer

random.randint(-5, 5)

Answer

random.random()*10 + -5

Answer

random.random(-5, 5)

Answer

randint(-5, 5)

Question 24

Consider the following code:

a = 2 b = 3 print(a ** b)

What is the output?

Accepted Answer

8

Answer

4

Answer

5

Answer

6

Question 25

What is the output?

print(13 % 3)

Accepted Answer

1

Answer

4

Answer

10

Answer

0

Question 26

Consider the following code:

x = 10
y = -3 z = 3 print(x + y * z)

What is the output?

Accepted Answer

1

Answer

4

Answer

7

Answer

16

Question 27

You need to find the square root of a value. Which of the following functions would you use?

Accepted Answer

sqrt()

Answer

str()

Answer

fabs()

Answer

pow()

Question 28

You need to make sure a program you write can convert negative numbers users input to positive numbers. The number can be an int or a float.

Accepted Answer

fabs()

Answer

sqrt()

Answer

int()

Answer

float()

Question 29

Consider the following code:

x = 7 x = x * 4 print(x)

What is the output?

Accepted Answer

28

Answer

7

Answer

8

Answer

14

Question 30

The following code is intended to find the average of three numbers entered from the keyboard. What is wrong with the code?

print("Enter 3 numbers: ")
a = float(input("Enter a number: "))
b = float(input("Enter a number: "))
c = float(input("Enter a number: "))
print(a + b + c / 3)

Accepted Answer

The code is missing parentheses around a + b + c in the last line.

Answer

Nothing, it correctly finds the average of the numbers.

Answer

a, b, and c should use the str command

Answer

Nothing, it correctly finds the sum of the numbers.

Question 31

What is the output for the following?

x = 5 print("The number is: " + x * 3)

Accepted Answer

None, there is an error.

Answer

15

Answer

The number is: x

Answer

The number is: 15

Question 32

Which of the following calculates to 10?

Accepted Answer

2 * (6 - 2 / 2)

Answer

(2 * 6 - 2) / 2

Answer

2 * 6 - 2 / 2

Answer

(2 * 6) - 2 / 2

Question 33

Which of the following would be the best variable name to store the value of your English number grade?

Accepted Answer

number_Grade

Answer

1grade

Answer

NG

Answer

n

Question 34

Why can it be helpful to perform mathematical calculations using programming? Choose the best answer.

Accepted Answer

Because computers can quickly do calculations much larger and complex than humans.

Answer

Because the values stored in variables can change.

Answer

Because computers are used to store digital data, not analog.

Answer

Because it is a useful skill.

Question 35

Consider the following code:

x = 17 y = 3 print(x % y)

What is the output?

Accepted Answer

2

Answer

14

Answer

3

Answer

0

Question 36

Consider the following code:

print(min("who", "milk", "apple", "prime", "banana", "car", "angel"))

What is the output?

Accepted Answer

angel

Answer

who

Answer

apple

Answer

banana

Question 37

When do you use an elif statement?

Accepted Answer

To check multiple expressions for TRUE and execute a block of code as soon as one of
the conditions evaluates to TRUE.

Answer

To handle string values

Answer

To end an IF statement

Answer

To Input a variable

Question 38

All of the following statements need their code to be indented except?

Accepted Answer

print statements

Answer

elif statements

Answer

else statements

Answer

if statements

Question 39

Which of the following are TRUE about all algorithms? There may be more than one.

Accepted Answer

All algorithms have clear instructions

Accepted Answer

All algorithms stop in a finite amount of time.

Answer

All algorithms can only do number calculations

Answer

All algorithms have an order.

Question 40

The following code could be rewritten into a single if statement that checks for either condition to be true using:

if (x > 12): if (x < 34):

Accepted Answer

or

Answer

not

Answer

None of the above

Answer

and

Question 41

When should you use an else statement?

Accepted Answer

To execute code if none of the other expressions were TRUE

Answer

To execute code when one of the other expressions were TRUE

Answer

To check the first expression for TRUE

Answer

To check one of many expressions for TRUE

Question 42

Write the code to test if the number in the variable text1 is greater or equal to than 15.

Accepted Answer

if (text1 >= 15):

Answer

if (text1 > "15"):

Answer

if (text1 < "15"):

Answer

if (text1 > 15):

Question 43

Write the code to test if the variables num1 and num2 are the same.

Accepted Answer

if (num1 == num2):

Answer

if (num1 != num2):

Answer

if (equal(num1 == num2)):

Answer

if (num1 < num2):

Question 44

To test if x is less than or equal to y:

if (x ___ y):

Accepted Answer

<=

Answer

<

Answer

>

Answer

>=

Question 45

Which of the following is not true about algorithms? (Select one answer)

Accepted Answer

must output a string

Answer

can be done by a computer

Answer

can produce a result

Answer

can perform logical operations

Question 46

All of the following could be true about an algorithm except? (Choose one answer)

Accepted Answer

A never ending series of code

Answer

Using IF and ELSE statements in order to gather input and print outputs

Answer

A set of precise steps used to perform a task, typically on a computer

Answer

Steps used to complete a goal

Question 47

Write the code to test if x is less than or equal to 2.

Accepted Answer

if (x <= 2):

Answer

if (x >= 2):

Answer

if (x > 2):

Answer

if (x < 2):

Question 48

Write the code to test if the word "HOUSE" is stored in the variable {word1}.

Accepted Answer

if (word1 == "HOUSE"):

Answer

if (word1 == str(HOUSE)):

Answer

if (word1 == HOUSE):

Answer

if (int(word1) == HOUSE):

Question 49

For if statements to work in Python you must ____________.

Accepted Answer

indent their code block

Answer

add an else to them

Answer

make decisions about them

Answer

use them with input commands

Question 50

Which of the following is correction for: if (96 <= x <= 101):

Accepted Answer

if (96 <= x and x <= 101):

Answer

if (96 <= x or x <= 101):

Answer

if (96 < = x or <= 101):

Answer

if (96 <= x and <= 101):

Question 51

Which two of the following are true?

a = 1 b = 1

Accepted Answer

b <= a or a >= b

Accepted Answer

a > b or a == b

Answer

a < b and a != b

Answer

a < b and a == b

Question 52

Which of the following is used to show two values are equal?

Accepted Answer

==

Answer

!=

Answer

=-

Answer

=/

Question 53

Ask the user to input a number less than 100. Print all the numbers from 0 to that number. Which loop correctly does this?

Accepted Answer

num = int(input("Enter a number between 1 and 100: "))
c = 0

while c <= num:
print(c)
c = c + 1

Answer

num = int(input("Enter a number between 1 and 100: "))
c = num
while num <= c:
print(c)
c = c + 1

Answer

num = int(input("Enter a number between 1 and 100: "))
c = 0

while num <= 0:
print(c)
c = c + 1

Answer

num = int(input("Enter a number between 1 and 100: "))
c = 0

while num >= 0:
print(c)
c = c + 1

Question 54

For a loop to stop, the loop control variable must ______________.

Accepted Answer

be a certain value

Answer

decrease in value

Answer

be a certain specified input

Answer

be a boolean

Question 55

In a(n) _______________ loop, you know ahead of time how many times the loop will repeat.

Accepted Answer

count variable

Answer

initialization

Answer

condition

Answer

user input

Question 56

Which range function will print all odd numbers between 11 and 33?

Accepted Answer

range(11, 34, 2)

Answer

range(11, 34)

Answer

range(11, 33, 2)

Answer

range(11, 33)

Question 57

What is output by the following code:

for x in range(5, 10):
print(x * 3, end=" ")

Accepted Answer

15 18 21 24 27

Answer

8 9 10 11 12 13

Answer

15 18 21 24 27 30

Answer

5 6 7 8 9

Question 58

Consider the following code:

for x in range(10 28): print(x)

What is wrong with this program?

Accepted Answer

The first line should be for x in range(10, 28):

Answer

The range function should have three parameters.

Answer

The first line should be for x in range(10, 28) = x:

Answer

The loop is missing x = 0

Question 59

Consider the following code:

for i in range(x, y): print(i, end=" ")

What values for x and y will output the code below?

10 11 12 13 14 15 16 17 18 19

Accepted Answer

x = 10
y = 20

Answer

x = 19
y = 9

Answer

x = 10
y = 19

Answer

x = 19
y = 10

Question 60

Which of the following is true for algorithms?

Accepted Answer

They have an order.

Answer

They may not produce a result.

Answer

They repeat indefinitely.

Answer

They have ambiguous instructions.

Question 61

Information sent to a function is a?

Accepted Answer

parameter

Answer

sum

Answer

loop control variable

Answer

count variable

Question 62

Consider the following code:

start = int(input("Enter the starting number: ")) stop = int(input("Enter the ending number: ")) x = 3 sum = 0 for i in range(start, stop, x): sum = sum + i print(sum)

What is output if the user enters 10 then 15?

Accepted Answer

23

Answer

10

Answer

15

Answer

39

Question 63

Consider the following code:

start = int(input("Enter the starting number: ")) stop = int(input("Enter the ending number: ")) x = 4 for i in range(start, stop, x): print(i, end=" ")

What is output if the user enters 20 then 32?

Accepted Answer

20 24 28

Answer

20 24 28 32

Answer

24 28 32

Answer

24 28

Question 64

What is the output by the following code:

for x in range(1, 10, 2):
print (x + 2, end=" ")

What is the output?

Accepted Answer

3 5 7 9 11

Answer

3 5 7 9 11 13 15 17 19

Answer

3 4 5 6 7 8 9 10 11

Answer

11 9 7 5 3

Test 1 For Coding

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