Chapter 1 Flashcards
The Impact of Technology in a Changing World
What does Web 2.0 does?
Allows easy content contribution
Facilitates easy connections with others
Cognitive Surplus
Combination of leisure time and tools to be creative
Four Function of the computer?
Input
Process
Output
Storage
Explain input
Gather data
Allows entering data
Explain Process
Manipulates
Calculate
Organize data
Explain Output
Display data and information
Explain Storage
Save data and information
What is Bit
Is a binary digit
0 or 1
What is Byte?
Unique combination of 8 bits of 0s and 1s
Example: kilobyte, megabyte, gigabyte, terabyte and petabytes
Types of Computer
Mainframe
Supercomputers
Embedded
List some input devices
Keyboard Mouse Microphone Scanner Camera
List few Output Device
Monitor
Printer
Speaker
Types of Monitors
LCD- Liquid Crystal Display
LED- Light emitting diode
OLED- Organic light emitting diode
Types Of Printers
Expound on each
Inkjet- affordable, high-quality color, Fast and. quite
Laser- fast, high quality and expensive
All in one printer
Plotter- large image
Thermal
The MotherBoard consists of:
CPU ROM, RAM and Cache Slots for expansion cards Sound/video cards Network interface card (NIC)
What is RAM?
RAM random access memory Store instructions and data Temporary storage (volatile)
What ROM?
Read only Memory
Store start up instructions
Permanent storage
Nonvolatile
What is CPU
Central Processing Unit
Other wise know as the Processor
Brain of the computer
Billion task per second
Measured in Hertz (Hz)
System Software
Operating systems fundamentals
What the operating systems does
Starting your computer
What are the two types of software?
Applications Software
System Software
What are the operating systems basics?
The operating system
Utility programs
What the operating system does?
The User Interface
Enable the user to interact with the computer
Types of interfaces
Comand-driven interface
Menu-drive interface
Graphical user interface (GUI)
What is Utility Program?
A program for carrying out a routine function
Example of Utility Program
Disk Clean up - remove unnecessary files
Task manager- provides info on programs
Disk Defragmenter- allows faster access to files
What are applications Software?
Like Apps
Microsoft etc
What is the difference between crowdsourcing and crowdfunding?
Crowdsourcing is the process of obtaining needed services by soliciting contributions from a large group of people
Example Wilipedia
Crowdfunding is the sourcing of fund from a crowd (money)
