The difference between programming and debugging is:

A. programming is the process of writing and gradually debugging a program until it does what you want.

B. programming is creative and debugging is routine.

C. programming is fun and debugging is work.

D. there is no difference between them.

B. displays a value on the screen.

A. sends information to the printer to be printed on paper.

C. tells the computer to put the information in print, rather than cursive, format.

D. tells the computer to speak the information.

What are comments for? #--------------------------------------------------- # This demo program shows off how elegant Python is!

B. For the people who are reading your code to know, in natural language, what the program is doing.

A. To tell the computer what you mean in your program.

C. Nothing, they are extraneous information that is not needed.

D. Nothing in a short program. They are only needed for really large programs.

How can you determine the type of a variable?

A. Print out the value and determine the data type based on the value printed.

C. Use it in a known equation and print the result.

D. Look at the declaration of the variable.

What value is printed when the following statement executes? print( int(53.785) )

A. Nothing is printed. It generates a runtime error.

What is printed when the following statements execute?

A. Nothing is printed. A runtime error occurs.

What is PYTHON integrated development environment (IDE)?

A. Spyder (which comes with Anaconda)

The correct code to generate a random number between 1 and 100 (inclusive) is:

A. prob = random.randrange(1, 101)

B. prob = random.randrange(1, 100)

C. prob = random.randrange(0, 101)

D. prob = random.randrange(0, 100)

A module is another name for:

B. a file containing Python code

C. the comments before a function

D. a small block of Python code

What is a function in Python?

A. A named sequence of statements.

C. A mathematical expression that calculates a value.

D. A statement of the form x = 5 + 4.

What is one main purpose of a function?

B. To help the programmer organize programs into chunks that match how they think about the solution to the problem.

A. To improve the speed of execution

C. All Python programs must be written using functions

What is the name of the following function?

D. Make turtle t draw a square with side sz.

What is wrong with the following function definition:

B. You should not have any statements in a function after the return statement. Once the function gets to the return statement it will immediately stop executing the function.

A. You should never use a print statement in a function definition.

C. You must calculate the value of x+y+z before you return it.

D. A function cannot return a number.

What is a variable’s scope?

B. The range of statements in the code where a variable can be accessed.

What is a local variable?

A. A temporary variable that is only used inside a function

C. Another name for any variable

Can you use the same name for a local variable as a global variable?

B. Yes, but it is considered bad form.

A. Yes, and there is no reason not to.

What happens if you put the initialization of runningtotal (the line runningtotal = 0) inside the for loop as the first instruction in the loop?

A. The square function will return x instead of x * x

B. The square function will cause an error

C. The square function will work as expected and return x * x

D. The square function will return 0 instead of x * x

Consider the following Python code. Note that line numbers are included on the left. Which of the following best reflects the order in which these lines of code are processed in Python?

E. 1, 5, 9, 10, 5, 6, 1, 2, 3, 6, 7, 10, 11

A. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11

D. 9, 10, 5, 6, 1, 2, 3, 6, 7, 10, 11

Which of the following properly expresses the precedence of operators (using parentheses) in the following expression: 5*3 > 10 and 4+6==11

A. ((5*3) > 10) and ((4+6) == 11)

B. (5*(3 > 10)) and (4 + (6 == 11))

C. ((((5*3) > 10) and 4)+6) == 11

D. ((5*3) > (10 and (4+6))) == 11

How many statements can appear in each block (the if and the else) in a conditional statement?

D. One or more, and each must contain the same number.

What does the following code print (choose from output a, b, c or nothing)?

C. TRUE on one line and FALSE on the next

What is a Boolean function?

A. A function that returns True or False

B. A function that takes True or False as an argument

C. The same as a Boolean expression

What is the difference between a tab ('\t') and a sequence of spaces?

A. A tab will line up items in a second column, regardless of how many characters were in the first column, while spaces will not.

C. A tab is wider than a sequence of spaces

D. You must use tabs for creating tables. You cannot use spaces.

Funda of programming mid

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Computers

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Anh Đỗ Thanh Bảo

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97 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most important skill for a computer scientist?

A. To think like a computer.

B. To be able to write code really well.

C. To be able to solve problems.

D. To be really good at math.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An algorithm is:

A. A solution to a problem that can be solved by a computer.

B. A step by step list of instructions that if followed exactly will solve the problem under consideration.

C. A series of instructions implemented in a programming language.

D. A special kind of notation used by computer scientists.

Answer explanation

✔️ Algorithms are like recipes: they must be followed exactly, they must be clear and unambiguous, and they must end.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Source code is another name for:

A. the instructions in a program, stored in a file.

B. the language that you are programming in (e.g., Python).

C. the environment/tool in which you are programming.

D. the number (or "code") that you must input at the top of each program to tell the computer how to execute your program.

Answer explanation

✔️ The file that contains the instructions written in the high level language is called the source code file.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between a high-level programming language and a low-level programming language?

A. It is high-level if you are standing and low-level if you are sitting.

B. It is high-level if you are programming for a computer and low-level if you are programming for a phone or mobile device.

C. It is high-level if the program must be processed before it can run, and low-level if the computer can execute it without additional processing.

D. It is high-level if it easy to program in and is very short; it is low-level if it is really hard to program in and the programs are really long.

Answer explanation

✔️ Python is a high level language but must be interpreted into machine code (binary) before it can be executed.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pick the best replacements for 1 and 2 in the following sentence: When comparing compilers and interpreters, a compiler is like (1) while an interpreter is like (2).

A. 1 = a process, 2 = a function

B. 1 = translating an entire book, 2 = translating a line at a time

C. 1 = software, 2 = hardware

D. 1 = object code, 2 = byte code

Answer explanation

Compilers take the entire source code and produce object code or the executable and interpreters execute the code line by line.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A program is:

A. a sequence of instructions that specifies how to perform a computation.

B. something you follow along at a play or concert.

C. a computation, even a symbolic computation.

D. the same thing as an algorithm.

Answer explanation

✔️ It is just step-by-step instructions that the computer can understand and execute. Programs often implement algorithms, but note that algorithms are typically less precise than programs and do not have to be written in a programming language.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Debugging is:

A. tracking down programming errors and correcting them.

B. removing all the bugs from your house.

C. finding all the bugs in the program.

D. fixing the bugs in the program.

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