Computer Science Practice Final

Front

What is the procedure called when a program has been tested thoroughly and the code is reviewed to establish the cause of unexpected outputs?

Back

Debugging

Front

Which of the following describes the part of a computer which stores instructions and information which has been input to the computer? CPU, Binary, RAM, Machine Code

Back

RAM

Front

Which of the following is a reason for the importance of variables in programming?
Variables assist in making code more readable.
Variables allow you to change a value used in multiple places in a program easily.
Variables allow you to store values calculated by the program and access them at a later point in the program.

Back

All of these

Front

Which of the following is a valid reason for giving variables meaningful names in a program? A programmer will find it easier to read and understand the code since they will know what the variables represent.

Back

A programmer will find it easier to read and understand the code since they will know what the variables represent.

Front

Using the flowchart above, what value when entered for Y will generate a mathematical error and prevent our flowchart from being completely executed?

Back

None of these values will produce a mathematical error.

Front

In a flowchart, a typical decision symbol has what type of output?

Back

boolean (true/false)

Front

Which is NOT true about comments in programs? Options: Commenting helps programmers develop and maintain programs to efficiently solve problems., Commenting helps while working collaboratively in programming environments., All published programs have their comments available., Commenting about program components helps in developing and maintaining programs.

Back

All published programs have their comments available.

Front

Which of the following best describes the type of language used in the below algorithm?
Prompt user for number
if number is greater than or equal to 0
Output “Positive”
else
Output “Negative”
Repeat 4 times
Options: Pseudocode, High-level language, Low-level language, Natural language

Back

Pseudocode

Front

If the variable score has a value of 10 at the beginning of a program, which runs according to the following flowchart, what will the value of score be at the end?

Back

10

Front

Which of the following questions cannot be easily answered using a binary set of answers?
Which is the best song new song from last year?
Do you prefer Mac or PC computers?
When you write with a pen or pencil, which hand do you use?
Would you like to go to the store?

Back

Which is the best song new song from last year?