INFO 160
When storing information in a computer, the binary numbering system uses a(n) ____ to represent an off switch.
0
bit
0 or 1
When storing information in a computer, the binary numbering system uses a(n) ____ to represent an on switch.
1
For each numbering base system, the far right always has a place value of ____.
16
Hexadecimal represents numbers using which base?
16
In the hexadecimal numbering system, each place value digit is Incorrect answer ____ times greater than the digit to its right.
16
To accommodate HD format video, new monitors have an aspect ratio of ________.
16:9
The resolution of a monitor has to be at least ________ to play a Blu-ray movie.
1920 x 1080
In the binary numbering system, each place value digit can have ____ possible values.
2
In the RGB system, each color can have a value from 0 to ____.
255
How many colors are used in the RGB system?
3
A single hexadecimal number is represented by ________ digits in the binary numbering system.
4
byte
8 binary digits
An LCD screen is composed of a fixed grid of ________. a. pixels b. rays c. organic materials d. phosphors
A
In the RGB system, when all three component colors are set to zero, what is the result? a. The resulting color is pitch black. b. The decimal and hexadecimal values differ. c. The resulting color is white. d. The light for each color is turned on.
A
The fastest computer port is the ______ port. a. Thunderbolt b. WiFi c. expansion d. USB
A
The representation of a fact, figure, or idea is called ________. a. data b. input c. information d. byte
A
Which of the following functions of a computer is mostly responsible for turning data into information? a. processing b. storage c. input d. output
A
Which of the following is NOT an optical storage device? a. Flash drive b. CD c. DVD d. Blu-ray
A
Which of the following is NOT found on a motherboard? a. hard drive b. CPU c. sound card d. RAM
A
Which of the following is affordable and produce photo-quality images? a. Inkjet Printers b. All-In-One c. Laser Printers
A
Which of the following is the smallest unit of measure? a. Megabyte b. Petabyte c. Gigabyte d. Terabyte
A
Which of the following ports are used to connect a computer to a cable modem or to a network? a. Ethernet b. FireWire c. DVI d. HDMI
A
Which of these is an example of optical storage media? a. DVD b. SSD c. a flash memory card d. thumb drive
A
A bit consists of a ________. a. single letter such as R and B b. 0 or a 1 c. series of 0s and 1s such as 101 d. number such a 2 or 9
B
A kilobyte holds ________ bytes of data. a. 16 b. 1,024 c. 256 d. 1,048,576
B
An LCD's viewing angle is measured in ________. a. megahertz b. degrees c. refreshes d. inches
B
Computers use ________ language to process data at the most basic level. a. C++ b. binary c. English d. computer
B
Data that has been organized is called ________. a. bytes b. information c. binary digits d. output
B
How many bits does it take to spell the word yes? a. 30 b. 24 c. 8 d. 3
B
In a computer, each_____ can represent one letter, number, or symbol. a. integrated circuit b. byte c. bit d. megabyte
B
The colors displayed by an LCD monitor are made by combining which of the following colors? a. Green, blue, and yellow b. Yellow, red, blue, and green c. Red, blue, and green d. Cyan, yellow, magenta, and black
B
The number of pixels that can be displayed on the screen at one time is known as what? a. color depth b. screen resolution c. viewing angle d. pixel density
B
Which component of a computing device drains the battery the fastest? a. Bluetooth adapter b. display screen c. WiFi adapter d. hard drive
B
Which of the following combines the functions of a printer, scanner, copier, and fax into a single machine? a. Inkjet Printers b. All-In-One c. Laser Printers
B
Which of the following is NOT an example of data? a. A word b. A report c. A picture d. A sound
B
Which of the following is one of the four major functions of a computer? a. indexing b. processing c. handling d. verification
B
Which of the following statements is FALSE? a. When referring to computers, every number, letter, or special character consists of a unique combination of 8 bits. b. A single bit can represent a single letter. c. Everything a computer does is broken down into a series of 0s and 1s. d. Bit is short for binary digit.
B
Which power control option performs a warm boot? a. Log off b. Restart c. Sleep d. Shut down
B
You can increase the number of USB ports on your computer by adding a(n) ________. a. jump drive b. expansion hub c. gateway d. repeater
B
________ printers work by spraying tiny drops of ink onto paper. a. Cloud-ready b. Inkjet c. Large format d. Laser
B
A(n) ______ is a laptop computer that can convert into a tablet-like device. a. Chromebook b. all-in-one PC c. 2-in-1 PC d. ultrabook
C
All of the following are sensors found in certain smartphones EXCEPT a. accelerometer. b. barometer. c. hygrometer. d. magnetometer.
C
Bit is short for ________. a. byte b. megabyte c. binary digit d. kilobyte
C
Eight binary digits is equal to ________. a. 100 bytes b. 1 word c. 1 byte d. 1 bit
C
What type of printer heats toner to adhere it to the paper? a. inkjet b. impact c. laser d. 3D
C
Which of the following CANNOT be represented by a single byte? a. A letter of the alphabet such as Y b. A number such as 45 c. A word such as Tom d. A special character such as @
C
Which of the following can be both an input device and an output device? a. keyboard b. laser printer c. display screen d. mouse
C
Which of the following generally produce the highest quality printouts? a. Inkjet Printers b. All-In-One c. Laser Printers
C
Which of the following is the largest unit of measure? a. Kilobyte b. Terabyte c. Petabyte d. Megabyte
C
Which of the following ports has the fastest data transfer rate? a. SVGA b. FireWire 800 c. USB 3.0 d. DVI
C
Which of the following statements about flash memory is FALSE? a. Some flash memory can be plugged directly into a USB port. b. Flash memory cards are often used in smartphones. c. A flash drive is needed to read a flash memory card. d. Some flash memory cards can store 256 GB of data.
C
Which of the following statements is TRUE? a. All cell phones are now smartphones. b. Smartphones do not contain a CPU. c. Smartphones are considered a type of computer. d. Smartphones have more computing power than desktop computers.
C
With a liquid crystal display (LCD) monitor, what causes images to be displayed on the screen? a. Up and down movement of light b. Static electricity c. An electric current passing through the liquid crystal solution and moving the crystals to either block the fluorescent light or let the light shine through d. Light surrounding the images
C
________ usually have the largest storage capacity of any storage device inside the computer. a. DVD drives b. Blu-ray drives c. Hard drives d. Flash memory cards
C
A kilobyte contains approximately one ________ bytes of data. a. million b. billion c. hundred d. thousand
D
A megabyte holds approximately ________ bytes of data. a. 1,000,000,000 b. 1,000,000,000,000 c. 1,000,000,000,000,000 d. 1,000,000
D
A monitor's ________ is a measure of the difference in light intensity between the brightest white and the darkest black colors. a. aspect ratio b. resolution c. brightness d. contrast ratio
D
Computers work only with ________. a. hexadecimal numbers b. letters and symbols c. decimal numbers d. binary numbers
D
Ergonomics is an important consideration a. only for desktop computers. b. only for laptop computers. c. only for laptop and desktop computers, but never for mobile devices. d. for all computing devices.
D
One byte is equal to ________. a. 100 bits of data b. 8 characters c. 1 word d. 8 bits of data
D
Response time refers to the amount of time it takes ________. a. to adjust the settings on a monitor b. to begin printing once you have clicked Print c. for your computer to boot up d. for a pixel to change color
D
The most common output device for soft output is a a. inkjet printer. b. laser printer. c. scanner. d. display screen.
D
Touch-screen devices usually feature _____________ keyboards. a. laser-projection b. physical c. optical d. virtual
D
Two of the most important factors to consider when choosing an LCD monitor are its resolution and ________. a. refresh rate b. dot pitch c. contrast d. aspect ratio
D
Which of the following is NOT a port? a. HDMI b. USB c. Thunderbolt d. CPU
D
Which of the following optical storage devices holds the most high-definition video? a. DVD b. Hard drive c. CD d. BD
D
Which of these is considered the "brains" of the computer? a. RAM b. USB c. ROM d. CPU
D
A touch pad is a pointing device usually found in tablets. T/F
F
Data and information are interchangeable terms. T/F
F
RAM is nonvolatile storage. T/F
F
________ are the places that peripheral devices attach to the computer.
Ports
The ____ system uses combinations of red, green and blue light to display a full spectrum of colors.
RGB
SSD drives are superior to conventional disk drives because they have no moving parts. T/F
T
The "brain" of the computer is the CPU. T/F
T
What is the number that represents the value of each digit?
base
Computers store information in ____(Base 2), which is difficult, if not impossible for humans to read.
binary
The ____ numbering system uses base 2.
binary
What numbering system uses 0s and 1s?
binary
A binary digit is referred to as a ________.
bit
VGA is commonly used to _____
connect CRT monitors in older systems
DVI is commonly used to ____
connect projectors to a computer system
USB is commonly used for _____
connecting input and output devices
In the ____ numbering system, each place value digit is ten times greater than the digit to its right.
decimal
Which of the following numbering systems is ordinarily used by people?
decimal
____ numbers are used in place of binary numbers because binary numbers are difficult to read.
decimal
A printer's resolution is measured in ________.
dpi
megabyte
greater than a kilobyte, smaller than a kilobyte
What numbering system uses base 16?
hexadecimal
HDMI is used for ____
home theater systems
The two major mobile operating systems on the market are ________ and Android.
iOS
hertz
machine cycles per second
What is brightness measured as?
measured as candelas per square meter
terabyte
more than a trillion bytes
What is resolution?
number of pixels displayed on a screen
Speed for printers is measured in ________.
ppm
What is the viewing angle?
tells how far you can move to the side, above, or below a monitor before the image quality degrades below acceptable levels