Unit 1: Digital Information
What is the smallest unit of data in computing
Bit
What does IP stand for?
Internet Protocol
What is a variable?
A named storage location
What is a list used for?
Storing multiple values
What is phishing?
A scam to steal information
How many bits are in one byte?
8
What is the role of DNS?
To translate domain names into IP addresses
What does an if statement do?
Makes decisions
What is an index?
A position in a list
What is malware?
Harmful software
What is the purpose of compression?
To reduce file size
What is a packet?
Sending data in small pieces
What values can a Boolean expression return?
True and False
What is the purpose of a loop?
To repeat instructions
Why are strong passwords important?
They protect accounts
What is a pixel?
A tiny square of color in an image
Why are protocols important?
They provide rules for communication
Why are functions useful?
They reduce repeated code
What is an infinite loop?
A loop that repeats forever
What does two-factor authentication do?
Adds extra security
Which type of compression removes some data permanently?
Lossy
What is encryption used for?
Protecting information
What is a parameter?
An input to a function
What does traversal mean?
Moving through items in a list
What is one negative impact of computing?
Spread of misinformation