Mouse
8
How is sound digitized
By sampling amplitude at regular intervals
The base number of the binary system used in computing is
2
The smallest unit of digital information is
bit
What is a unit of digital storage
byte
ROM in computing means
Read- Only Memory
The type of data that is digitizes in a microphone is
Sound
What is a key component of data confidentiality
Limiting access to authorized users
Prefix meaning one trillion bytes
Tera-
An example of physical security is
Using biometric locks
How is pixel data used in images?
Each pixel stores color information
What is the data storage size order from smallest to largest
Bit, Byte, Kilobyte, Megabyte
How are pictures typically represented in a computer
As a series of pixels with color values
Which is an example of data integrity violation
Altered financial records without authorization
How can data availability be ensured
Backup and redundant systems
The key difference between analog and digital data is
Analog is continuous, digital is discrete
A visual representation best to show parts of a whole is
Pie chart
What is used to digitize a video
Frames per second and pixel data
The technique to reduce file size without losing quality is
Lossless compression
Physical security is important for
To prevent theft or damage to hardware
RAM plays a main role in computers by
Temporary data storage for active processes
"Hz" measures what
Frequency or cycles per second
A good method for collecting reliable data is
Using surveys with clear questions
What does data integrity ensure
Data is accurate and unaltered without authorization
What is encryption
Converting data into a code to prevent unauthorized access