BJC Unit 1 Practice Quizizz

The date is 9/13

• True

• False

What's an algorithm

• An input

• A step by step process performed by a computer

• A looping program structure

• Part of a piece of code with an action that carries out a purpose.

An ordered collection of items

• list

• string

• substring

• concatenate

The question or incomplete statement below is followed by four suggested answers or completions. Select the one that is best in each case.

Which of the following is a true statement about program documentation (commenting in your scripts/programs)?

• Program documentation should not be changed after it is first written.

• Program documentation is only needed for programs in development; it is not needed after a program is completed.

• Program documentation is useful when programmers collaborate but not when a programmer works individually on a project.

• Program documentation is useful during initial program development and also when modifications are made to existing programs.

The following grid contains a robot represented as a triangle, which is initially facing right.The following code segment is intended to move the robot to the gray square. Which of the following can be used as a replacement for <MISSING STATEMENT> so that the code segment works as intended?

• REPEAT 1 TIMES

• REPEAT 2 TIMES

• REPEAT 3 TIMES

• REPEAT 4 TIMES

A sequence of characters (letters, digits, punctuation, etc.)

• list

• string

• substring

• concatenate

A programmer notices the following two procedures in a library. The procedures do similar, but not identical, things. See image. Which of the following procedures is a generalization of the procedures described?

Which of the following is considered an unethical use of computer resources?

• Downloading freeware or shareware onto your home computer

• Purchasing a game from an app store and downloading it directly to a mobile device

• Purchasing a single-user copy of photo editing software and installing it on all the computers in a computer lab

• Searching online for an electronic version of a school textbook

A named sequence of instructions that may take inputs and may report a value

• debugging

• procedure

• reporter

• command

The expression [pick random (3) to (7)] has the following outcomes of what?

• 3 and 7

• 3, 4, 5, 6, and 7

• 2, 3, 4, 5, and 6

• 4, 5, and 6