Test 1 Flashcards
Example of operating systems.
Windows 7
What is an operating system?
Special software that controls input and output
What is an executable?
A file that tells a computer how to preform a specific task.
Example of output device
Monitor
Printer
Example of input device
Mouse
Keyboard
What is a client server/network
A network with a file server
Define node
Any device connected to a network
What is another name for CPU
Central processing unit
Processor
Microprocessor
Antivirus software protects against what types of “malware”
All types of viruses. Including Trojan horses, worms, and viruses in general
The speed of a micro processor, or the clock speed measured in millions of cycles per second is known as
Mega hertz
Speed of a micro processor or clock speed measured in billions of cycles per seconds is known as
Giga hertz
What is the name of code personal computers commonly used to represent character data?
ASCII
Define optical storage
Polycarbonate discs coated with a reflective metal on which data is stored using laser technology as a trail of tiny pits or dark spits in the surface of the disc
Example of optical storage
CDs
DVDs
What is Magnetic storage
An object that stores data as a magnetized particles on a surface
Examples of magnetized storage
Hard disk
Hard drive
Where do processing tasks occur?
The mother board
What is meant by resolution?
Number of pixels a monitor displays
What is RAM
Temporary storage
What does RAM stand for?
Random access memory
What is cache memory?
Special high speed memory chips on the motherboard or CPU that store frequently accessed and recently accessed data and commands. Also known as RAM cache or CPU cache
What is virtual memory
Space on computer storage devices. Simulates RAM
Peripheral device
Components of a computer that accomplish its input, output, and storage functions.
Examples of peripheral device
Mouse Keyboard Speakers Printer External hard drive
Hardware
Physical components of a computer
Speed of a laser printer measured in?
Pages per minute
Spend of a dot matrix printer measured in?
Characters per second
Where is a program and data that is being used temporarily by your computer stored?
RAM
What is RAM also known as?
Volatile memory
Does a smaller or larger dot pitch procure a sharper image?
Smaller
Mainframe
Computer used by large businesses and government agencies that provides centralized storage, processing, and management for large amounts of data
Kilobyte
One thousand
Megabyte
One million
Gigabyte
One billion
Terabyte
One trillion
What is Integration?
The seamless functioning of applications using OLE technologies (object linking and embedding)
What does a modem stand for?
Modulator
Demodulator
What does a modem do?
Converts digital computer signals into analog(sound waves) signals that can be transmitted across ordinary telephone lines
Executable file
File that contains instructions that tell a computer how to preform a specific task, such as a idle used during boot process
Specifications
Technical details about hardware components
How are expansion cards added to a mother board?
Slots
T/F
The technical details about components on a computer are called architecture
False
T.F
Advice driver is a computer program that makes communication possible between your computer and one if it’s peripherals
True
T.F
Tape drive is a type of storage device
True
T.F
CD-ROMs are rewritable
False
T.F
DVD+Rs are rewritable
False
T.F
Communication paths between a microprocessor, RAM, and peripherals is called a data bus
True
T.F
Database management software allows you to create illustrations, diagrams, graphics, and charts that can be projected before a group, printed out for quick reference, or transmitted to remote computers.
False
T.F
“Workstations” (personal computers connected to network) must have network intercommunication or interface card installed
True
T.F
The operating system is a set of instructions that direct the computer to accomplish specific tasks such as document reduction and spreadsheet calculations.
False
T.F
Protocols and data communication establish the countries with which data can be exchanged
False
What is the World Wide Web
The World Wide Web is a part of the Internet containing webpages that are linked together
What do you need to use the World Wide Web
To use the World Wide Web on the Internet you must have a computer, an Internet connection, and a web browser
What is a website
A group of webpages focused on a particular subject
What do you need to move a webpage around browse
To move a webpage around in the browser window click the vertical scrollbar
What is phishing
An illicit activity where people send you fraudulent websites to gather your personal information for possible illegal purposes
What can hyperlinks do
Hyper links on webpages can open other webpages, graphics, text files, sound files, and video files.
What do most sites begin with
WWW parentheses which indicate that the page is on the World Wide Web parentheses followed by a dot, or a period, and then the website name, known as the domain name
What does the top level domain tell you
A top level domain tells you the type of site you are visiting
What follows the domain name
Following the domain name is another die and top-level domain, such as COM (for commercial sites), EDU (for educational sites), gov (for government use).
What is a URL considered as
URL is also considered an address for webpage
What do web page addresses begin with
Http
What does http stand for
Hypertext transfer protocol. Which is the set of rules for exchanging information on the web
What is a web browser
A software program that lets you open and display webpages
