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