Computer Basics Quiz Review

Anti-virus Software

(of software) designed to detect and destroy computer viruses.

What is the internet?

A collection of billions of computers and other electronic devices that serves to intercommunicate and process informative data.

Server

A computer program or device that serves to provide functionality for other programs.

What is a computer? Provide a thorough definition that includes 3 things the computer can do with data.

An electronic device for storing and processing data, according to instructions given in a variable program form.

What is an input device vs. and output device? And be able to list some of each

An input device inputs information while output displays it. Mic = input, monitor = output.

What are two common operating systems found on current mobile devices?

Android and iOS.

If we are to use a metaphor of a kitchen, which part of the computer would be the following: The chef The counter The cabinets

CPU, RAM, Hard Drive.

Computer

Electronic device for storing and processing data through programs.

Name some examples of hardware and software

Hardware = keyboard, computer case. Software = microsoft word

What is hardware vs. software? What is the difference and why is it important?

Hardware is tangible while software is servers and programs thats not tangible. The difference is that they provide different uses.

What is the primary function of the CPU?

It performs the basic arithmetical, logical, and input/output operations of a computer system.

Secondary Storage Unit (Volatile or Persistent?)

Persistent.

What is the function of an internet browser like Chrome or Internet Explorer or FireFox?

Reads programming and displays on the monitor. Translates code into displayable images.

If the building was on fire, which part of the computer is the most important to grab so you don't lose all of your data?

The hard drive CPU inside of the computer case, not the monitor.

If we use a metaphor of a cell, what part of the cell would the CPU be?

The nucleus.

What does it mean when we say something is stored on the Cloud?

This means that your files are stored in a secure location on the Internet (in addition to your hard drive) and you can access them at anytime, anywhere with an Internet connection. They are still physically stored somewhere (probably a server farm), but only you can access them with your password online.

***Extra Credit*** Refer to document on WWW & Internet.

WWW is a collection of websites that is able to function due to internet.

Cloud Storage

a cloud computing model in which data is stored on remote servers accessed from the Internet, or "cloud." It is maintained, operated and managed by a cloud storage service provider on a storage servers that are built on virtualization techniques.

Multiprocessor

a computer with more than one central processor.

Wi-fi

a facility allowing computers, smartphones, or other devices to connect to the Internet or communicate with one another wirelessly within a particular area.

Apple iOS

a mobile operating system created and developed by Apple Inc. and distributed exclusively for Apple hardware. It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod touch.

Virus

a piece of code that is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.

Browser

a program with a graphical user interface for displaying HTML files, used to navigate the World Wide Web.

Volatile

a type of storage whose contents are erased when the system's power is turned off or interrupted

Graphical User Interface

a visual way of interacting with a computer using items such as windows, icons, and menus, used by most modern operating systems.

Why do you think the motherboard is named using the word "mother"?

all the "children" plug into it, meaning the chips. you cannot have a computer without a motherboard.

Expansion Cards

allow you to boost performance of computer or update the capabilities of an older computer

Network Card

allows your computer to communicate over a network and access the internet

Linux (or Unix)

an open-source operating system modelled on UNIX.

Android

an open-source operating system used for smartphones and tablet computers.

Processor

another name for CPU

CPU

carries out commands; "the brain"

What are some other devices or everyday objects (besides desktops, laptops, tablets, and servers) that have computers in them?

clocks, calculators, phones, tv

Hardware

collection of physical parts of a computer

Power Supply Unit

converts power from the wall outlet to the type of power needed by the computer

Monitor

displays images and text on the screen

Persistent

efficiently stores data for continuous access

Name three common types of operating systems found on modern computers.

iOS, Lenix, Windows

Motherboard

main circuit board; connects directly or indirectly to every part of the computer

What is an operating system? What is it's main function?

manages the computer's memory and processes, as well as all of its software and hardware; allows communication with computer

Mac OS X

operating system by Apple

Microsoft Windows

operating system by Microsoft

Arithmetical Logical Unit ALU

performs boolean operations

Bluetooth Card (or Adapter)

proved wireless communication over short distances

Sound Card

responsible for what you hear on the speakers of headphones

Video Card

responsible for what you see on a monitor

RAM

stores data until computer is turned off; "short term memory"

Hard Drive

stores software and files; "long term memory"

Computer Case

the metal and plastic box that contains the main components of the computer, including the motherboard, central processing unit (CPU), and power supply

Software

the programs and other operating information used by a computer

Operating System

the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.

What did Moksh mean when he talked about memory that is either volatile or persistent? What is the difference? Be able to explain the types of memory in a computer and whether they are volatile or persistent.

volatile- short term persistent- long term