Chapter 2 Flash Cards
What are the four basic functions of a computer?
The four basic functions of a computer are to: 1 - accept data input 2 - process data into information 3 - present output 4 - provide storage
A digital device that accepts input, processes and stores the input, and provides output is a ____.
Computer
Select all that apply Which three of the following devices are computers? Smartphone Laptop Gaming platform Switch
- smartphone
- laptop
- gaming platform
The physical parts of a computer such as the system unit (like the tower unit shown) or a monitor are referred to as computer ___
Hardware
The system unit of a computer houses the computer’s main circuit board. This circuit board, which holds the CPU, is called the
Motherboard
What are the four steps in order of the information processing cycle?
- input
- process
- output
- store
A mobile hinged computer with an integrated keyboard that uses a full operating system is called a notebook or a ____ computer.
Laptop
Which three of the following devices are computers?
- desktop
- laptop
- modem
- smartphone
- desktop
- laptop
- smartphone
This personal computer is called a notebook or a
___. It is popular with students because it is relatively affordable and powerful and the integrated keyboard makes it easy to input text.
Laptop
The physical parts of a computer, such as the monitor, keyboard, mouse, and system unit are called computer ___
hardware
Which three of the following are commonly associated with laptop computers?
- integrated keyboard, monitor, and touch pad
- must have an optical drive
- full operating system
- mobile
- integrated keyboard, monitor, and touch pad
- full operating system
- mobile
The location of the computer’s ___ unit, which houses a computer’s motherboard, depends on the type of computer. For example, in this laptop, it is located under the keyboard.
system
The only major difference between MacBooks and the Dell laptops is their prices.
False
A computer that is highly mobile, often has a smaller operating system (OS), and uses a touchscreen as the primary input method is called a _____.
Tablet
This personal computer is a good choice for gamers who want to be able to expand its capabilities and for families with children who might drop a laptop. It’s called a
Desktop
In an all-in-one computer, such as the one pictured in the image, the motherboard is housed behind the
screen
Select 3 characteristics of a tablet computer.
- usually has a mobile operating system
- has a touch screen
- is highly mobile
- comes with an integrated, physical keyboard
- usually has a mobile operating system
- has a touch screen
- is highly mobile
A stationary (non-mobile) computer that combines the power of a desktop with a neat, clean, look is a(n):
all in one
For which of the following two reasons, you might purchase a tablet computer rather than a laptop?
- you need a computer with a large amount of storage
- you need a highly mobile computer that works well for reading e books or Netflix
- you need a computer that you can use while walking
- you need a computer you can upgrade with additional memory
- you need a highly mobile computer that works well for reading e books or Netflix
- you need a computer that you can use while walking
The computer that can be found inside a digital watch (not an iWatch) is referred to as a(n) ___ computer. It has a real-time operating system.
embedded
The amount of space a device takes up on a desk or table is referred to as its _____.
Foot print
A two-in-one computer combines a large tablet computer with a (usually) detachable ___
Keyboard
Select all that apply
Click 3 characteristics of desktop computers:
-Desktops use a full OS.
-Desktops allow for relatively easy upgrade and expansion.
-Desktops are useful for those who need a computer they can walk around with.
-Desktops are often used in offices since they do not need to be mobile.
- desktops use full OS
- desktops allow for relatively easy upgrade and expansion
- desktops are often used in offices since they do not need to be mobile
A cell phone that allows you to surf the web is called a(n) ___. This is actually a powerful computer capable of accepting input, processing data into information, providing data, and storing data.
smartphone
Devices that integrate the computer case (chassis) and system components into the monitor, but have an external keyboard and mouse are called ___ computers
all in one
The Apple iPod, Google Chromecast, Amazon Kindle Fire and Roku are examples of _____ Media Players.
personal
Which two of the following are correct statements regarding all-in-one computers?
-All-in-one computers are designed to be highly mobile so that they can be used by people on the go.
- All-in-one computers house every component except the keyboard and mouse inside the same case as the monitor.
- An all-in-one computer is a stationary device with a separate keyboard and mouse. The motherboard is housed behind the monitor.
- All-in-one computers are hinged computers.
- All-in-one computers house every component except the keyboard and mouse inside the same case as the monitor.
- An all-in-one computer is a stationary device with a separate keyboard and mouse. The motherboard is housed behind the monitor.
A computer that is integrated (is a part of) with a larger device, such as a programmable thermostat, is called a(n) ___It has a real-time operating system (RTOS).
Embedded
Sometimes called a convertible laptop, a type of laptop that has a removable, or concealed keyboard as well as a touchscreen so that it can be used as a tablet is called a(n) ___
2 in 1
The most powerful computers, ___ can evaluate complex data very quickly. Many of these computers in the United States are owned by the government or major research institutions and can cost $1 million dollars or more.
Super Computer
Smartphones owe much of their popularity and computing flexibility to ___ .
Apps (application)
An organization that needs to process thousands of simultaneous transactions probably has a ___ computer
Mainframe
Media players allow you to listen to audio files such as music, podcasts, listen to audio books, and watch videos. Media players are often referred to as _____ Media Players due to their transportability and customization.
Personal
A computer system in a network that is shared by multiple users is called a
Server
Another name for a computer’s processor is the:
CPU
While not designed to solve complex technical formulas, a computer that is more powerful than a server computer, and used by organizations to process large numbers of transactions simultaneously is called a
Mainframe
Personal computer CPU clock speeds range between ____.
1-4 gigahertz
A processor with one control unit and one arithmetic logic unit (ALU) is called a ____.
single core
Which four steps are the part of the machine cycle?
Fetch, decode, execute, and store
Two or more complete processors residing on the same chip and can execute two or more sets of instructions at a time is called a ___ processor
Multi
Clock speed, also referred to as _____ _____, is the speed at which the processor performs the operations required to run a digital device and instructions executed by the digital device.
clock rate
Memory, such as RAM or cache, is __ and has no moving parts.
Electronic (solid state)
Which three of the following are correct statements regarding clock speed?
- the clock speed is the base speed at which the processor performs the machined cycle each second
- clock speed is measured in Megabits per second (MBPS)
- the clock speed is the base speed at which the processor performs the machined cycle each second
- clock speed is sometimes called clock rate
- the clock speed is the base speed at which the processor performs the machined cycle each second
- the clock speed is the base speed at which the processor performs the machined cycle each second
- clock speed is sometimes called clock rate
In addition to the RAM, modern processors temporarily keep frequently accessed data in a _____.
cache
The small amount of memory, located within the CPU itself, is referred to as ___ cache.
L1
When a computer is shut down, the information in the memory (the RAM, the caches, the registers) is ___.
not saved
Memory, such as a computer’s RAM ___
Holds data and programs being used by the processor
The instructions needed to boot-up a computer, such as the basic input/output system (BIOS), are typically stored in _____.
ROM (read only memory)
A hardware component that keeps data and information when the device is not powered is called a ____ device.
Storage
Cache contains frequently accessed data and is ___.
Much smaller than a computer’s ram
Which of the following are storage devices?
- optical drives
- external hard drive
- universal serial bus (USB) drive
- digital visual interface (DVI) adapter1
- optical drive
- external hard drive
- Universal serial bus (USB) drive
Hard drive ___ is the amount of storage you have available to save data and information
capacity or space
Devices allowing the retention of data, when your computer has been shut down, for future use are called __.
Storage
Which of the following provide data storage?
- external hard drive
- server bank
- CPU
- Solid state drive SSD
- external hard drive
- server bank
- solid state drive
There are many protocols that are used to help streamline the communication of all digital devices. For example, Wi-Fi uses the _____ protocol. This protocol ensures that devices enabled with Wi-Fi can connect to any Wi-Fi network.
802.11
A set of rules for communication between devices that determine how data are transmitted and received is called a
Protocol
The actual number of pixels (resolution) in a monitor is called
Native resolution
The amount of bits a processor can work with at any given time is referred to as ____ size?
Word
A coding scheme capable of representing the languages of the world, ____ uses 16 bits to represent
Unicode
