INFO CHAPTER 2 QUESTIONS:

Match the following ports to its most common use: USB= Ethernet= DVI= VGA= HDMI=

-commonly used for connecting input and output devices -used to connect a computer to a network -commonly used to connect projectors to a computer system -Commonly used to connect CRT monitors in older systems -Used for home theater system

Match the following terms to their meaning: Binary= Hexadecimal= Decimal= RGB= Base=

-numbering system that uses 0s and 1s -numbering system thats uses base 16 -people normally use this numbering system -coding system for displaying colors on a computer system -number that represents the value of each digit

Match the following terms to its description: OLED= 4G= GPS= stylus= siri=

-screen type used by smart phones -cellular network -powerful navigational system -pointing device -apples artificial intelligent assistant

when storing information in a computer, the binary numbering system uses a(n) ____ to represent an off switch.

0 and zero

Match the following terms to its definition: Bit= Byte= Hertz= Megabyte= Terabyte=

0 or 1 8 binary digits machine cycles per second greater than a kilobyte, smaller than a gigabyte more than 1 trillion bytes

when storing information in a computer, the binary numbering system uses a(n) ____ to represent an on switch.

1 and one

For each numbering base system, the far right always has a place value of ____.

1, one and ones

In the hexadecimal numbering system, each place value digit is ____ times greater than the digit to its right.

16

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

using _____, a smartphone can connect to an audio/control system.

Bluetooth

____ services allow you t keep your files on the internet so you can access your files from any computer.

Cloud storage and cloud

A high-capacity ____ hard drive is a viable, portable option for backing up the data on your computer's primary hard drive.

External

____ memory cards are removable storage devices that let you transfer digital data to a computer

Flash

In reference to units of measurement, GB stands for?

Gigabyte

Processor speeds are measured in units of ____?

Hertz, Hz, Megahertz, MHz

In reference to units of measurement, KB stands for?

Kilobyte

Smartphones come with ____ screens in a variety of resolutions.

OLED

The ____ system uses combinations of red, green and blue light to display a full spectrum of colors.

RGB

many full-featured smartphones support additional memory through micro ____ flash cards.

SD

A(n) ____ is the also referred to as a jump drive, USB drive, or flash drive.

Thumb Drive

Who built and operates the Global Positioning System? a) UN b) NASA c) U.S. department of defense d) DARPA

U.S. department of defense

Flash drives plug into a(n) ____ port on a computer.

Universal Serial Bus and USB

The most common ports used to connect input and output devices are ____ ports.

Universal Serial Bus and USB

A kilobyte holds ____ bytes of data? a) 1,024 b) 16 c) 256 d) 1,048,576

a) 1,024

One byte is equal to ______? a) 8 bits of data b) 1 word c) 100 bits of data d) 8 characters

a) 8 bits of data

Which of the following statements is FALSE? a) A single bit can represent a single letter b) when referring to computers, every number, letter, or special character consists of a unique combination of 8 bits c) everything a computer does is broken down into series of 0s and 1s d) bit is short for binary digit

a) A single bit can represent a single letter

Which of the following optical storage devices holds the most high-definition video? a) BD b) Hard drive c) DVD d) CD

a) BD

Which of these is considered the "brains" of the computer? a) CPU b) RAM c) ROM d) USB

a) CPU

Which of these is an example of optical storage media? a) DVD b) A flash memory card c) SSD d) Thumb Drive

a) DVD

Which of the following ports are used to connect a computer to a cable modem or to a network? a) Ethernet b) HDMI c) FireWire d) DVI

a) Ethernet

_____ usually have the largest storage capacity of any storage device inside of the computer? a) Hard drives b) Flash memory cards c) Blu-ray drives d) DVD drives

a) Hard drives

What type of printer heats toner to adhere it to the paper? a) Laser b) Impact c) 3D d) Inkjet

a) Laser

Which of the following is one of the four major functions of a computer? a) Processing b) Handling c) Indexing d) verification

a) Processing

Which power control options performs a warm boot? a) Restart b) Log Off c) Sleep d) Shut Down

a) Restart

Which of the following numbering systems is ordinarily used by people? a) decimal b) binary c) hexadecimal d) octal

a) decimal

The two major mobile operating systems on the market are ____ and android. a) iOS b) PrimOS c) Windows d) Palm

a) iOS

RAM is volatile storage. a) true b) false

a) true

Smartphones are small fully functional computers. a) true b) false

a) true

a touch pad is a pointing device usually found in laptops. a) true b) false

a) true

apples iPhone series does NOT allow you to add any memory. a) true b) fasle

a) true

data and information are NOT interchangeable terms. a) true b) false

a) true

A(n) ____ measures the amount of movement in any direction so that they can detect shaking or rotation.

accelerometer

A bit consists of a _____? a) series of 0s and 1s such as 101 b) 0 or 1 c) number such as 2 or 9 d) single letter such as R and B

b) 0 or 1

A megabyte holds approx. ____ bytes of data? a) 1,000,000,000,000,000 b) 1,000,000 c) 1,000,000,000 d) 1,000,000,000,000

b) 1,000,000

Which of the following storage devices has the most capacity? a) Cache b) BD c) DVD d) CD

b) BD

which of the following ports do you need to use with a home theater system? a) FireWire b) HDMI c) SVGA d) DVI

b) HDMI

Which of the following is NOT found on the motherboard? a) CPU b) Hard Drive c) Sound Card d) RAM

b) Hard Drive

Smartphones store their operating system software in ________. a) RAM b) ROM c) Micro SD cards d) SD cards

b) ROM

Which of the following statements about flash memory is FALSE? a) Flash memory cards are often used in smartphones b) a flash drive is needed to read a flash memory card c) some flash memory cards can store 256 GB of data d) some flash memory can be plugged directly into the USB port

b) a flash drive is needed to read a flash memory card

Which of the following CANT be represented by a single byte? a) A number such as 45 b) A word such as Tom c) A special character such as @ d) A letter of the alphabet such as Y

b) a word such as tom

Computers work only with ____? a) hexadecimal numbers b) binary numbers c) decimal number d) letters and symbols

b) binary digit

which component of a computing device drains the battery the fastest? a) bluetooth adapter b) display screen c) wifi adaptor d) hard drive

b) display screen

The "brain" of the computer is the USB. a) true b) false

b) false

conventional disk drives are superior to SSD drives because they have no moving parts. a) true b) fasle

b) false

android devices do NOT support voice recognition. a) true b) false

b) fasle

The Android smartphone operating system was developed by ________. a) samsung b) google c) apple d) intel

b) google

Computers store information in ____ (base 2) which is difficult, if not impossible for humans to read.

binary

the ____ numbering system uses base 2.

binary

Eight binary digits is equal to ____? a) 1 word b) 100 bytes c) 1 byte d) 1 bit

c) 1 byte

a(n) ____ is a laptop computer that can convert into a tablet-like advice. a) ultrabook b) chromebook c) 2-in-1 PC d) all-in-one

c) 2-in-one PC

How many bits does it take to spell the word yes? a) 30 b) 8 c) 24 d) 3

c) 24

A single hexadecimal number is represented by ____ digits in the binary numbering system. a) 8 b) 16 c) 4 d) 2

c) 4

Which of the following can be both an input device and an output device? a) Mouse b) Keyboard c) Display Screen d) Laser Printer

c) Display Screen

Which of the following is NOT an optical storage device? a) Blu-ray b) DVD c) Flash Drive d) CD

c) Flash Drive

Which of the following statements about your computer's primary hard drives is FALSE? a) some hard drives hold up to 8 TB of information b) internal hard drives are enclosed in the system unit c) internal hard drives use a laser to read and write data d) hard drives are nonvolatile storage devices

c) Internal hard drives use a laser to read and write data

Computers use ____ languages to process data at the most basic level. a) English b) C++ c) binary d) computer

c) binary

A binary digit is referred to as a ____. a) character b) byte c) bit d) microbit

c) bit

in a computer, each ____ can represent one letter, number, or symbol. a) megabyte b) bit c) byte d) integrated circuit

c) byte

The representation of a fact, figure, or idea is called ____? a) Byte b) Input c) Data d) Information

c) data

Data that has been organized is called ____? a) Binary digits b) output c) information d) bytes

c) information

Which of the following is the smallest unit of measure? a) Petabyte b) Gigabyte c) Megabyte d) Terabyte

c) megabyte

Which of the following is the latest unit of measure? a) Terabyte b) Kilobyte c) Petabyte d) Megabyte

c) petabyte

In the RGB system, when all thee component colors are set to zero, what is the result? a) the decimal and hexadecimal values differ b) the light for each color is turned on c) the resulting color is pitch black d) the resulting color is white

c) the resulting color is pitch black

a Kilobyte contains approx. one ____? a) hundred b) billion c) thousand d) million

c) thousand

Hexadecimal represents numbers using which base? a) 2 b) 10 c) 8 d) 16

d) 16

How many colors are used in the RGB system? a) 255 b) 16 c) 2 d) 3

d) 3

Which of the following is NOT a port? a) USB b) HDMI c) Thunderbolt d) CPU

d) CPU

You can increase the number of USB ports on your computer by adding a(n) ____? a) Jump drive b) repeater c) gateway d) expansion hub

d) Expansion Hub

____ are the places peripheral devices attach to the computer. a) Hubs b) Repeaters c) Gateways d) Ports

d) Ports

The number of pixels that can be displayed on the screen at one time is known as what? a) Pixel Density b) Color Depth c) Viewing Angle d) Screen Resolution

d) Screen Resolution

Which of the following statements is TRUE? a) All cell phones are now smartphones b) Smartphones do not contain a CPU c) Smartphones have more computing power than desktop computers d) Smartphones are considered a type of computer

d) Smartphones are considered a type of computer

Which of the following ports has the fastest data transfer rate? a) FireWire 800 b) DVI c) SVGA d) USB 3.0

d) USB 3.0

Smartphones include al of the following EXCEPT ____. a) storage capabilities b) ports c) a CPU d) a mouse

d) a mouse

Which of the following is NOT and example of data? a) A word b) A picture c) A sound d) A report

d) a report

____ measure the amount of movement in any direction to detect shaking and rotation. a) GPS b) synchronizers c) Proximity sensors d) accelerometers

d) accelerometers

Bit is short for ____? a) byte b) kilobyte c) megabyte d) binary digit

d) binary digit

the most common output device for soft is a a) laser printer b) inkjet printer c) scanner d) display screen

d) display screen

Ergonomics is an important consideration a) only for desktop computers b) only for laptop and desktop computers, but never for mobile devices c) only for laptop computers d) for all computing devices

d) for all computing devices

all of the following are sensors found in certain smartphones EXCEPT. a) barometer b) accelerometer c) magnetometer d) hygrometer

d) hygrometer

____ printers work by spray tiny drops of ink onto paper. a) cloud-ready b) large format c) laser d) inkjet

d) inkjet

some smartphones support additional memory through ____. a) operating system swap flies b) global positioning system c) bluetooth connectivity d) micro SD flash cards

d) micro SD flash cards

the fastest computer port is the ____ port a) wifi b) expansion c) USB d) thunderbolt

d) thunderbolt

Touch-screen devices usually feature ____ keyboards. a) laser-pointer b) optical c) physical d) virtual

d) virtual

in the ____ numbering system, each place value digit is ten times greater than the digit to its right.

decimal

____ number are used in place of binary numbers because binary numbers are difficult to read.

hexadecimal and decimal

Blu-ray and DVDs are referred to as ____ media.

optical and storage

google assistant and apples Siri use ____ to assist smartphone users.

voice recognition