A+ 901 Test 10 Flashcards
What type of hardware components would be the most important for a custom Home Theater PC (HTPC)?
TV tuner
Surround sound audio
HDMI output
Motherboard form factor
A computer on a network where most functions are carried out on a central server, or a software application that uses client-server model wherein the server performs all the processing is commonly referred to as:
Thin client
Which of the following hardware components should be given priority in order to ensure optimal performance of a home server PC?
Gigabit NIC
HDD RAID setup
Which of the LCD technologies listed below offers the fastest response time?
Twisted Nematic (TN)
What are the characteristic features of the In-Plane Switching (IPS) LCD panel technology?
High color quality
Wide viewing angles
Slow response times
Which of the following answers describe the features of the Twisted Nematic (TN) LCD panel technology?
Low viewing angles
Fast response times
Low color quality
Which of the acronyms listed below refers to an LCD panel taking advantage of fluorescent lamps?
CCFL
Which of the following answers describe the function of a power inverter?
Used for supplying voltage to backlights of an LCD panel
Converts DC power into AC power
Examples of devices posing risk to electrical safety due to accumulated high voltage include:
CRTs
Power supplies
Inverters
Laser printers
Which of the acronyms listed below refers to a new type of thin and lightweight display devices offering higher contrast ratio and color quality in comparison to LCD without the need for a special light source to produce a visible image?
OLED
In computer graphics, the frequency at which the screen is redrawn is called:
Refresh rate
Which of the following statements are true?
A digital image displayed on the graphics monitor screen consists of pixels arranged in rows and columns
The term “screen resolution” refers to the maximum number of pixels in each dimension (horizontal and vertical) that can be addressed by a digital display device
The smallest unit of a digital image represented on the digital display device is known as pixel
In order to ensure the sharpest text and image displayed by a LCD monitor it is usually recommended to set the monitor to run only at a specific resolution (which is also referred to as the LCD’s native resolution)
What type of unit is used to describe the refresh rate of a computer screen?
Hz
Which of the following units is used for measuring the brightness of an image rendered by an image projector?
Lumen
The brightness of an LCD display screen is measured in:
cd/m2
