Which of the following devices are connected to computer through USB port?
a) printer
b) scanner
c) flash drives
d) all of these
What is the data transfer speed of USB 3.0?
a) 4.5 Gbps
b) 4.8 Gbps
c) 4.9 Gbps
d) none of these
Explanation: Gbps stand for Gigabyte per second
How many types of USB port?
a) seven
b) eight
c) nine
d) ten
Explanation: USB 2.0, USB 3.0, USB type B, USB type C, mini-USB, micro-USB, USB micro-B
Which of the following USB port is used to connect video devices to computer?
a) serial port
b) parallel port
c) fire wire port
d) USB port
How many pins are in fire wire port?
a) 4 pins
b) 6 pins
c) 7 pins
d) 8 pins
How many pins are used to provide electric power in fire wire port?
a) 2 pins
b) 3 pins
c) 4 pins
d) 5 pins
