chapter 3 Flashcards
Input:
Enter data using keyboards, mice, scanners, microphone, touchscreens, webcam, light pen
Process:
Central Processing Unit (CPU) manipulates data by calculating, organizing to convert data into useful information following instructions in programs.
Data is processed by the breaking down of 1’s and 0’s. Binary is transferred from one device to another.
Output:
Produce useful information by using monitors, printers, speakers (earbuds), projectors
Storage:
save & retrieve information, instructions, data to and from storage devices,
e.g. hard drives, flash drives, CD’s, DVD’s, SD cards
2 basic designs of PC
Portable - “Smart” phones, Tablet, computers, Laptop or notebook computers, PCs
Stationary- Desktop computers, All-in-one computers, mini pc
Main Frame Computers:
Super Computers:
Many Simultaneous Users
Complex Calculations
Optical Storage
Compact discs (CDs)-700MB
Audio files
Digital video discs (DVDs) 5-10GB
- Store more data than CDs
Blu-ray discs (BDs)
Connecting Peripherals to the Computer
- Thunderbolt 3-USB-C Ports
- Developed by Intel also used in apple products
- Fiber optic technology
- Transfer speeds up to 40 Gbps
Data Transfer Ports
- Universal serial bus (USB)
- USB 3.1 standard port
- Transfer speeds of 10 Gbps
Connectivity Ports
Video ports
- Access to wired networks and the Internet
- Ethernet port
- Connect monitors and multimedia devices
- HDMI (High Definition Multimedia Interface)
Setting up your computer space:
Monitor position
Adjustable chair
Proper position while typing
Take breaks
Adequate lighting
list 5 types of storage
Ram, Rom, cloud, flash drives, SD cards
List 5 types of cellular network technology from oldest to newest
1G, 2G, 3G, 4G, 5G
List 5 wifi network from oldest to newest