CompTIA A+ Question I-90

Which of the following adapters converts an analog signal to a digital signal?

A. S-Video to RCA
B. HDMI to VGA
C. VGA to DVI
D. DVI to HDMI

Correct Answer: C

CompTIA A+ Question I-90

Which of the following cards would utilize a 4G signal to provide Internet access?

A. Wi-Fi cards
B. Cellular cards
C. Sound cards
D. USB cards

Correct Answer: B

CompTIA A+ Question I-90

A user is searching for a piano keyboard to connect to a PC. The user would like the keyboard to communicate with the PC. Which of the following features should the user look for on a piano keyboard to BEST facilitate this?

A. MIDI
B. USB
C. TCP
D. HDMI

Correct Answer: A