Cs 1101 Self-Quiz Unit 1: Attempt review PDF

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Self-Quiz Unit 1: Attempt review

9/7/20, 4:55 PM

assembly language. Any one of the languages that people speak that evolved

natural language

naturally. parse To examine a program and analyze the syntactic structure.

A property of a program that can run on more than one kind

portability

of computer. An instruction that causes the Python interpreter to display a

print statement

value on the screen. The process of formulating a problem, !nding a solution, and

problem solving

expressing the solution. A sequence of instructions that speci!es to a computer

program

actions and computations to be performed. A program stored in a !le (usually one that will be

script

interpreted). syntax The structure of a program.

One of the basic elements of the syntactic structure of a

token

program, analogous to a word in a natural language.

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Self-Quiz Unit 1: Attempt review

Question 2

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Correct

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A program is a sequence of instructions that speci!es how to perform a computation. Select one: True False

Question 3

Correct

Mark 1.00 out of 1.00

Consider the following text from a Python interpreter. >>> print(2 + 2) 4 What is the text "+" called? Select one: a. a function b. an operator c. a prompt d. a statement e. a value

Your answer is correct.

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Self-Quiz Unit 1: Attempt review

Question 4

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Incorrect

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Consider the following text from a Python interpreter. >>> print(2 + 2) 4 What is the text "4" called? Select one: a. a function b. an operator c. a prompt d. a statement e. a value

Your answer is incorrect.

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Self-Quiz Unit 1: Attempt review

Question 5

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Which one of the following Python expressions computes the number of miles in 5 km, where one mile is 1.61 km? Select one: a. 5 * 1.61 b. 5 / 1.61 c. 1.61 / 5 d. 1.61 + 5 e. miles = "5 km"

Your answer is correct.

Question 6

Correct

Mark 1.00 out of 1.00

Which one of the following Python expressions generates a syntax error? Select one: a. 8 ^ 2 b. 8 ** 2 c. 8 +- 2 d. 8 += 2 e. 8 -+ 2

Your answer is correct.

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Self-Quiz Unit 1: Attempt review

Question 7

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Which one of the following Python expressions computes the total number of seconds in 21 minutes and 21 seconds? Select one: a. 21 + 21 b. 21 + 60 c. "21 minutes" + "21 seconds" d. 21 * 60 + 21

"

e. seconds = 21 + "21 minutes"

Your answer is correct.

Question 8

Incorrect

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Which one of the following words best describes formal languages? Select one: a. ambiguity b. literalness c. poetry d. prose e. redundancy

Your answer is incorrect.

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Self-Quiz Unit 1: Attempt review

Question 9

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What is Python’s response to the command: type(123) Select one: a. b. c. SyntaxError: invalid syntax d. e.

Your answer is correct.

Question 10

Correct

Mark 1.00 out of 1.00

Which one of the following Python expressions has the value 64? Select one: a. 8 ^ 2 b. 8 ** 2 c. 8 +- 2 d. 8 += 2 e. 8 -+ 2

Your answer is correct.

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Self-Quiz Unit 1: Attempt review

9/7/20, 4:55 PM

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