Module 02 (part 1): Digital Devices
The two main parts of a microprocessor include the ___ and the control unit.
ALU
NVIDIA, Samsung, Qualcomm, and Apple manufacture the type of microprocessors used in most tablet computers and smartphones, which are based on ___ technology.
ARM
What is one reason why hard disk drives are so popular?
They have a relatively low cost for lots of storage.
The most commonly used general-purpose technology for connecting gadgets to laptop and desktop computers is a ___ port.
USB
A copy of one or more files that are made in case the originals become damaged is called a ___.
backup
The two most common technologies used for touchscreen displays are resistive and ___.
capacitive
Three form factors for digital devices are component, ___, and slate.
clamshell
Remote storage that is available as Internet service is called ___ storage.
cloud
When two computers operate in essentially the same way and use the same software, they are said to be ___.
compatible
A multipurpose device that accepts input, processes data, stores data, and produces output by following a series of stored instructions is called a ___.
computer
A computer is a multipurpose device that accepts input, processes ___ , stores data, and produces output, all according to the instructions of a stored program.
data
The main circuits on the system board that carries data are called the _________.
data bus
The amount of data a storage device can move per second from the storage medium to RAM is termed its _____.
data transfer rate
A ___ computer is the only type of personal computer that must remain plugged into an electrical source during operation.
desktop
A bit-for-bit copy of the data from all sectors of a hard disk is called a
disk image
The ___ bus carries data from an external device to RAM.
expansion
A laser printer has a nozzle-like print head that sprays ink onto paper to form characters and graphics.
false
Cloud storage services are an excellent solution for consumers who want an affordable way to access their stored files from several digital devices.
false
Memory cards are typically volatile.
false
The process the Windows File History utility uses to make copies of files from your Documents, Music, Pictures, and Videos folders, along with any files that were created or modified while OneDrive was offline, is called ___.
file synchronization
In the computer industry, the size and dimensions of a device or component are referred to as that item's ___.
form factor
Which of the following is not a drawback of using cloud storage?
high price of storage
The type of printer that has a nozzle-like print head that sprays ink onto paper to form characters and graphics is called a ___ printer.
ink jet
Peripherals such as keyboards, mice, touchpads, and game controllers send data in one direction—to the CPU—and thus are classified as ___ devices.
input
Microprocessors are hard-wired to perform a limited, preprogrammed set of activities called a ___.
instruction set
A ___ circuit is a set of microscopic electronic components etched onto a thin slice of semiconducting material.
integrated
Which of the following is an example of an operating system that is used by smartphones?
ios
What type of computer would be the best option for students and on-the-go professionals who want to create content and be productive, in addition to consuming content?
laptop
The most popular battery type used in today's electronic devices is __________.
lithium ion
The part of the data bus that runs between the microprocessor and RAM is called the _______ bus.
local
Windows is the operating system used on desktop and laptop PCs. What is the equivalent operating system for Apple computers?
macOS
Smart appliances are controlled by integrated circuits called ___.
microcontrollers
In 1971, Intel introduced the Intel 4004, which was the world's first___.
microprocessor
Many touchscreens have a special coating designed to repel the oils deposited by fingertips called a ___ coating.
oleophobic
Touchscreens on many digital devices have a ___ coating that resists fingerprints.
oleophobic
Compatibility is primarily controlled by a device's ___ system.
operating
To assess whether two computers are compatible, you should check their ___.
operating systems
Today, ___ storage technology, such as CDs and DVDs, is used for archiving data.
optical
Which type of computers were originally called microcomputers and are designed to meet the computing needs of individuals?
personal computers
Within a CPU, the data that is being processed by the ALU is held in ___.
registers
Cloud storage, such as OneDrive and iCloud, is classified as ___ storage as opposed to local storage.
remote
The time it takes one pixel of a display device to change from black to white and then back to black is called the device's ___.
response rate
Fabricating an integrated circuit involves enhancing the conductive properties of selective parts of a thin slice of ___ material.
semiconductor
A computer that is primarily used to distribute data to other computers on a network is called a ___.
server
Google and other Web service providers use banks of ___ to process and manage data.
servers
The fastest computers in the world are referred to as _________________.
supercomputers
An operating system is an example of ___ software.
system
The electronic components of most digital devices are mounted on a circuit board called a ______________.
system board
The part of a digital device that holds the system board is called the _____.
system unit
A multi-core processor that executes more than one instruction at a time is referred to as a parallel processor.
true
A solid state drive can be used as a substitute for a hard disk drive.
true
In a display device, response rate is the time it takes for one pixel to change from black to white then back to black.
true
RAM is volatile.
true
Because RAM is ___, it cannot retain data in a device that is turned off.
volatile
A magnetic storage device uses a read-___ head to magnetize particles that represent data.
write
ARM and ___ are two distinct families of microprocessors.
x86
The instructions for loading the operating system into RAM when a device is first turned on originate in ___.
ROM
A ___ uses the same storage technology as a USB flash drive but is not designed to be removable.
SSD
___ are the most popular digital devices worldwide.
Smartphones
___ is a slow wireless technology used to connect devices within a radius of about 30 feet.
Bluetooth
A ___ handles image data, freeing the CPU for other processing tasks.
GPU
A laptop with an Intel Core i7 microprocessor operates at a speed of 3.4 ___
Ghz
Which statement about input and output is correct?
Input is data that is entered into a computer, whereas output is the result produced by a computer.
Which of the following is not an example of an expansion port?
Intranet
