Which of the following devices would need to be installed on a computer to allow the user to make video conference calls?
A. Webcam
B. Digitizer
C. LCD display
D. Microphone
CompTIA A+ Question D-8
Which of the following is the MAIN difference between an LCD display and an LED display?
A. The ability to use external displays
B. The source of the backlighting
C. The viewable size of the display
D. The size of the pixel display
CompTIA A+ Question C-28
Newer laptop and TV LCD display panels can be viewed from any angle without loss of image quality. Which of the following technologies do these panels use?
A. TTL
B. OLED
C. IPS
D. CCFL
CompTIA A+ Question A-53
A printer on the second floor is not printing for anyone. However, the printer has power and displays ready on the LCD display. There is paper in the trays and the toner was recently changed. The system administrator goes to the location with a laptop and tests the network port and is able to connect. Jobs are being queued on the local machines. Which of the following should the system administrator do to get the printer functioning again?
A. Move the printer to a known good port and connect to the network
B. Replace the network cable to the printer
C. Verify the server’s print spooler service is running
D. Attach the printer directly to the laptop and print a test page