The Control key on a computer keyboard is a key that is used by pressing it in combination with other keys, enabling other keys on the keyboard to perform secondary functions. It is generally labeled as Ctrl.
Answer:
Option A (Radio Frequency Identification)
Explanation:
Option A (Radio Frequency Identification)
Radio Frequency Identification:
This technology uses radio waves to transfer data between a reader and movable items. The benefit of this technology is we do not require physical contact with items and scanner.
Components of RFID:
- tags (computer chip)
- Reader
- Communication System
- RFID software
There are two RFID standards:
- Electronic Product Code (EPC) standard
- International Standard Organization (ISO)
It’s something that reflects off something
The triangle indicates that the clock signal is an edge-triggered signal.
The circle indicates that the signal is low-active (ie., inverted).
The 74LS74 has a positive-edge trigger clock (low to high).
