Concepts Module 4
Performs arithmetic and logic functions in the CPU.
ALU
A word or symbol that identifies the relationship between keywords, such as AND, OR, and NOT.
Boolean operator
____ memory is a chip on the motherboard that stores the date, time, and system parameters.
CMOS
Memory chips or modules hold data and programs as they are being processed by the ____, and are usually found on the motherboard.
CPU
The brain of a computer
CPU
Full length movie
DVD or BD disks
You can encrypt specific files and folders in windows using ____.
EPS
T/F A thief must physically steal you computer to gain access to its files and data.
False
T/F Protocols in data communication establish the countries with which data can be exchanged.
False
T/F There is no way to track you smartphone once it is lost.
False
T/F Your best protection against losing your data is to back up your files to the hard drive.
False
Reak time location systems, such as RFID tags, use _____ technology.
GPS
Hard drives with read/write heads that move over the surface of platters are a type of ____ storage.
Magnetic
BIOS, EEPROM, flash, ROM
Non-volatile
check pictures
Order of sending a email
When the computer is shut down, the information in ___ is erased.
RAM
The data stored in ____ is saved when a computer has been powered off.
ROM
T/F Firewalls inspect data transmitted between a computer and external recipients to prevent unsolicited data exchange
True
T/F With cloud storage, you can retrieve you data anytime from anywhere in the world.
True
T/F You should be password protected.
True
a few files to be transferred from one computer to another.
USB flash drive
RAM, DRAM
Volatile
displays unsolicited advertisements in banner or pop-up windows.
adware
A test to determine processor speed
benchmark
A computer sees the world as series of __________ digits or bits.
binary
Bus width measured in these.
bits
An electronic channel that transfers data in multiple directions.
bus
high-speed, easily accessible storage space used by the CPU.
cache
Special high-speed memory located on or near the microprocessor's is called ____.
cache memory
You can back up your files to remote servers over the Internet using ____, and you can then retrieve your data anytime from anywhere in the world.
cloud storage
The number of these in a CPU help determine processor performance.
cores
The smallest unit of time a processor can measure.
cycle
A ____ software that helps peripheral devices communicate with a computer.
device driver
A ____ utility removes unused files like temporary Internet files from your hard drive so the computer does search through unneeded files.
disk cleanup
removes unused files like temporary internet files from your hard drive
disk cleanup utility
reorganizes the data on a magnetic hard drive so that you can access files more quickly.
disk derangementer
Components include a user ID, the @ symbol, and the name of the email provider.
email address
AN electronic document transmitted on a computer network.
email message
A computer that routes email messages through a network.
email server
Electronic devices such as card readers use ____ operating system.
embedded
Besides passwords and firewalls, you can add an additional layer of protection to your computer data by using ___.
encryption
complete pc backup
external hard drive
When you are looking for web pages containing specific words or phrases, use a ____ engine
general search
engine that searches web pages in its database that contain specific words or phrases.
general search
set up ___ if you want to be notified when new online information about a topic becomes available.
google alerts
search engines place the most relevant ___ on the few pages of search results.
hits
operating system and application software
internal hard drive
When preparing for a search, choose _____ that make the search term unique and specific.
key words
The unethical practice of manipulating meta keywords to push a web site to the top of a search result list.
keyword stuffing
Which of the following is the smallest unit of measurement?
kilobyte
Type of email that uses an email client and email account provided by an ISP to send and receive email.
local
You can typically go to the ____ web site to download the latest version of device drivers for your computers peripherals.
manufacturers
A _____ sends a query to many search engines at the same time.
meta search engine
offers that convenience of searching many sources from one web site.
metasearch engine
A _____ operating system has features similar to a desktop operating system, but is simpler and significantly smaller.
mobile
Processing tasks occur on the ____.
motherboard
UNIX is called a ____ operating system because it can run on a desktop PC or server.
multipurpose
A server, also called a _____, operating system is a muiltiuser operating system because it controls a central computer that can support many users.
network
Service that connects you with a human librarian
online reference
CDs and DVDs are types of ____ storage.
optical
The computer needs additional components called ____ to accomplish its input, output, and storage functions.
peripheral devices
Operating systems installed on a single computer are called ____ operating systems.
personal or desktop
To customize search results, you can change ____, such as the number of results displayed per page.
preference
Sets the speed at which the CPU executes instruction.
processor
a complex integrated circuit consisting of millions of electronic parts.
processor
Flash memory is an example of ___ memory.
programmable
Data stored on a hard disk uses ____ access, so you can go directly to the area of the drive where the data is stored.
random or direct
not emptying this lets files remain on your computer and take up space.
recycle bin
Create a query based on your search criteria and stores the data it collects in a database.
search engine
consists of multiple keywords.
search phrase
Data stored on a tape is ____ so it requires you to forward or rewind the tape to access information.
sequential
A ____ lets you search blogs, micro-blogs, comments, and conversation on social media sites.
social search tool
finds subjective content, such as comments, reviews, and opinions.
social search tool
USB flash drives and camera memory cards are types of ___ storage.
solid state
A ___ engine lets you search databases, news providers, or podcasts.
specialty search
engine that provides access to academic information for research
specialty search
Programs that can track and steal your personal information and change the settings on your browser without your permission are called ____.
spyware
A ___ is a catalog of web pages organized by topic.
subject directory
Corporate data backups.
tape drive
Megahertz is a measurement of ____.
the speed of the microprocessor
Passwords, PINs, and ____ are the keys to your personal accounts with online retailers, banks, and social sites.
usernames
When an operating system employs ___ memory, it swaps file to the hard disk.
virtual
Software that scans incoming messages and programs to protect your computer
virus protection
You should set up your ____ software to scan any incoming messages and programs to protect your computer.
virus protection
An automated program that uses hyperlinks to jump between web pages and collect data.
web crawler
type of email that uses a browser
web email
____ refers to the number of bits that are processed at one time.
word size
One way to refine a search term is to use word base, or ____, to broaden the search.
word stem