Computing EOY Flashcards
Define sequence
Set of instructions followed one after the other in a specific order
Define iteration
Repetition of a process to create a more efficient solution
Define decision
Usually in the form of a question, asks the program if something is true or false
Define input
Usually a sensor or a button activates the program
Define output
The thing that happens due to the input
Define algorithm
Step-by-step procedure for solving problems
Define sensor
Used to take readings to detect a change in its environment
Define variable
A location in memory in which you can temporarily store a value
Define subroutine
Mini program within another program
What shape is a start/end symbol and how many arrows go in/out of it?
A rounded rectangle with 1 arrow
What shape is a decision symbol and how many arrows go in/out of it?
A diamond shape with at least 2 arrows going out of it
What shape is an input/output symbol?
A parallelogram
What shape is a subroutine symbol?
A rectangle with two lines on either end
What shape is a process symbol and how many arrows go in/out of it?
A rectangle with one arrow going in and one going out
Define process
Actions, steps or instructions
Define malware
Malware stands for malicious software. It is a small program which enters a computer or network through a downloaded file or vulnerability in a network
Name three things to make a strong password
- 8+ characters
- Use symbols, numbers and letters
- Not a real word
What is phishing?
An email that tricks you into handing over sensitive or personal information
What are bitmap graphics?
a two-dimensional picture as a rectangular matrix or grid of square pixels, and resizing can cause pixelation
Name 3 reasons that a hacker would send you malware
- To steal, edit or destroy information
- To prove their skills
- Revenge
What is a logic bomb?
A logic bomb tells the computer to execute a set of instructions at a certain date and time or under certain specified conditions
What is ransomware?
Software illegally installed on a computer so that the user cannot access their files until a ransom is paid
What does dpi mean
dot per inch
