CAT THEORY SSA FEB Flashcards
What is HDMI?
transmits high-definition video and audio signals for connecting to monitors, projectors and other media devices.
What is a USB?
provides data transfer and power delivery.
What are ports?
Ports are the sockets on a computer that you use to connect your peripherals to your computer.
What is an output?
this is whatever the computing device produces to provide us with the results of its processing.
What is a monitor?
Device most commonly used to obtain output from the computer.
what is a qr code?
typically used for storing URLs or other information for reading by the camera on a smartphone.
What is an input?
The instructions given to the computer
What are in folders?
Files
What is the importance of file extensions?
indicates to the operating system what type of file it is and what program it must use to open this file.
What is a file path?
a path is a sequence of folders, starting from the drive letter, that leads to the location of a specific file.
What is biometric security?
technology that uses something biologically unique to you for identification, such as your fingerprint.
What is RFID?
radio frequency identification uses a small radio device to store and transmit data.
What does RAM stand for?
Random Access Memory.
What are some characteristics of the RAM?
RAM is expensive.
RAM is where the CPU keeps all its data
RAM is volatile
RAM is much faster than storage.
