Study guides, Class notes & Summaries

Booleans can only be -true false -numbers -letters - True and False What symbol would you use to see if two things are equal to each other? > == = != - == What letter do we put in front of a String if we want to put variables in it? -f -s -j -x - f Which of the following is an Int? -hello -43 -43.3 - 43 it is a whole number Which of the following is not a string? -'Hello' -43 -"Hello" - 43 It has no quotes around it To use the Random module, what must we include a...

False - True or False: Computer science is the study of computers CPU - The "brain" of the computer is the RAM (Random Access Memory) - Main memory is also called main memory - All information that a computer is currently working on is stored in Syntax - _______ of a language is its form Semantics - _______ of a language is its meaning Compiler - A complex computer program that takes another program written in a high-level language and translates it into an equivalent program in the ma...

1. The sys module is used to perform which function? - Gives the user access to display and process system information 2. Which argument is used in an open command when one wants to open a file but not make changes to the file? - r (read) 3. Select the correct code entry from the drop-down in the code sample that will complete the datetime function. - import datetime 4. Which code entry, when used with the random module, can be used to generate a random number between one and ten? - r...

Output file - a file that data is written to Input file - a file that data is read from Three steps when a program uses a file - Open the file Process the file Close the file Text file - contains data that has been encoded as text Binary file - contains data that has not been converted to text Sequential access - file read sequentially from beginning to end, can't skip ahead Direct access - can jump directly to any piece of data in the file Filename extensions - short sequences of char...

A(n) __________ program translates a high-level language program into a separate machine language program. translator assembler compiler utility - compiler The rules that must be followed when writing a program are called __________. operators punctuation syntax key words - syntax The __________ translates an assembly language program to a machine language program. assembler translator compiler interpreter - assembler Computers can only execute programs that are written...

What is computational thinking? - 1. Understand the problem 2. Create a strategy for solving the problem 3. Express the solution using code Algorithm - A sequence of well-defined instructions a computer can execute to perform calculations or solve problems. Code - A set of instruction to a computer to carry out a specific task Program - A complete piece of code that the computer executed to achieve a desired objective Python - A widely used, general-purpose programming language, e...

intro-2-1: 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. - C. To be able to solve problems. intro-2-2: 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 ...

What type of variable is the 'x' in the following code? x='15' - String While performing the Echo Communication home project, the command t() crashed the script. What could be the problem? - The accept() command was not assigned with two variables. When accepting data in client-server communication, what is the meaning of recv(2048)? - The limit for the amount of bytes to accept. Which of the following is NOT a Python data structure? - Switch Which of the following operators in Pyt...

Given the following string: S = "Welcome: which code results in an error? - Print(S+1) What is the output of the following code? name = 123 if swith("a") print("welcome") - An error message Which statements evaluate True and without errors? (Choose all that apply.) - "The Title".istitle() "upper".islower() What is the order of precedence (from first to last) of the math operators? - *, /, +, - What is the output of the following code? print("She said, "Who's there?...

What is printed by the following program? my_total = 0 do_not_stop = True while do_not_stop == True: my_total += 5 if my_total > 10: do_not_stop = False print(my_total) 0 Nothing, the program does not stop running. It contains an infinite loop. 10 15 - 15 The index of the first element in a Python list is ____________. 2 There is insufficient information to answer the question. 1 0 - 0 The while keyword takes a condition just like which other keyword? else if None of thes...