Answer:
ummm it looks like a fingerprint sensor
Explanation:
here a similar pic to it .i hope this helps :)
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).
Which of the following is NOT one of the MOST common uses of Twitter? b . Making a business contact.
Answer:
A
Explanation:
Monitor, CPU, Disk Drives, Printer, Keyboard/mouse