(2)A+ DISPLAY DEVICES PRACTICE EXAM
Characteristics of an OLED display:
WORKS W/OUT BACKLIT, LOWER LIGHT OUTPUT (brightness) IN COMPARISON TO LCD's, AND BETTER CONTRAST RATIO AND COLOR REPRESENTATION IN COMPARISON TO LCD's
A tiny spot on an LCD monitor display screen that permanently remains black when it should be activated and displaying color is commonly referred to as stuck pixel. TRUE OR FALSE
FALSE
IPS, TN, VA, and OLED are all implementations of the LCD display technology. TRUE OR FALSE
FALSE
Vertical Alignment (VA) display technology can be characterized by: (Select 3 answers)
HIGH CONTRAST COLORS, GOOD VIEWING ANGLES AND GOOD COLOR QUALITY
What are the characteristic features of In-Plane Switching (IPS)? (Select 3 answers)
HIGH QUALITY COLOR, WIDE VIEWING ANGLES, AND SLOW RESPONSE TIMES
When a computer monitor is unable to display image on the screen, the most common causes of this problem (and the easiest ones to fix) include: (Select 2 answers)
LOOSE CABLE CONNECTIONS & WRONG INPUT SELECTION
Which of the answers listed below describe the Twisted Nematic (TN) technology? (Select 3 answers)
LOW VIEWING ANGLES, FAST RESPONSE TIMES AND LOW-QUALITY COLOR
Which of the actions listed below would be of help while troubleshooting non-responsive touchscreen on a mobile device?
RESEATING THE DEVICE'S BATTERY, ERASING ALL CONTENT/SETTINGS AND RESTORING THE DEVICE TO FACTORY DEFAULTS (factory reset/hard reset), PRESSING A SPECIFIC KEY COMBINATION/BUTTON TO PREFORM SYSTEM RESTART (soft reset) AND REMOVE SCREEN PROTECTOR AND CLEANING THE SCREEN
Which of the following answers refers to a device capable of providing both input and output functions?
TOUCH SCREEN
Which of the answers listed below refer to the function of digitizer? (Select 3 answers)
TRANSLATES ANALOG DATA INTO A FORMAT SUITABLE FOR COMPUTER PROCESSING, COMPONENT OF MOBILE DEVICE'S SCREEN THAT ALLOWS TO CONTROL THE DEVICE WITH A STYLUS OR FINGERTIP, AND A TYPE OF INPUT DEVICE
A dim display on a laptop LCD screen might indicate a problem related to: (Select 2 answers)
BACKLIT AND INVERTER
A permanent computer display screen discoloration caused by displaying the same static image for extended periods of time is known as:
BURN-IN
Which type of peripheral hardware would require the replacement of a burned-out bulb?
COMPUTER PROJECTOR
