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- 1. Multiple Choice
What is computer?
data processing device, operating under the control of instructions stored in its own memory
a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously (multi-user)
Network in which one or more computers act as a server, and the other computers (clients) on the network request services from the server
a series of instruction that tells the computer what to do and how to do it
- 2. Multiple Choice
functions four major of computer :
gathers data
process data into information
outputs data or information
stores data and information
- 3. Multiple Choice
large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously (multi-user)
mainframe
Software
Computer
Operating system (OS)
- 4. Multiple Choice
Mainframe computers are typically powerful in word :
can process vast amounts of data, very quickly, or in other words
Able to store tremendous amounts of data, instructions & information
capable of great processing speed & data storage
often kept in special, air-conditioned rooms; used by large businesses, government offices, or universities
- 5. Multiple Choice
Mainframe computers are typically large in word :
Able to store tremendous amounts of data, instructions & information
used by large businesses, government offices, or universities
often kept in special air-conditioned rooms
- 6. Multiple Choice
Mainframe computers are typically in Multi-user which are :
allow several users (sometimes hundreds) to use the computer at the same time
capable of great processing speed & data storage
connected via remote terminals (screens and keyboards)
large-scale computing purposes
- 7. Multiple Choice
example application of mainframe :
insurans
machine (ATM)
cash
- 8. Multiple Choice
Computers connected together to create a network which fall into two categories :
clients (workstations)
server
business
buyer
- 9. Multiple Choice
Function of computer for client :
requests resources from the server
workstation
controls access to the hardware, software, and other resources on a network, and provides a centralized storage area for programs, data, and information
be a mainframe computer used in a network environment
- 10. Multiple Choice
Function of computer for server :
requests resources from the server
workstation
controls access to the hardware, software, and other resources on a network, and provides a centralized storage area for programs, data, and information
be a mainframe computer used in a network environment
- 11. Multiple Choice
services might include in server :
Providing a central, common file storage area
Sharing hardware such as printers
Controlling who can or can’t have access the network
Sharing Internet connections
- 12. Multiple Choice
Network in which one or more computers act as a server, and the other computers (clients) on the network request services from the server :
software
mainframes
Client-server architecture
Client-server network
- 13. Multiple Choice
user's PC (the client) is the requesting machine, and the server is the supplying machine, both of which are connected via a local area network (LAN) or a wide area network (WAN) such as the Internet :
software
mainframes
Client-server architecture
Client-server network
- 14. Multiple Choice
process client-server architecture :
Request sent for: http://www.yahoo.com, , Client: Your computer with a Web browser such as Google Chrome, Web document sent back to client by server, Server: With address http://www.yahoo.com
Web document sent back to client by server, Client: Your computer with a Web browser such as Google Chrome, Server: With address http://www.yahoo.com, Request sent for: http://www.yahoo.com
Client: Your computer with a Web browser such as Google Chrome, Request sent for: http://www.yahoo.com, Server: With address http://www.yahoo.com, Web document sent back to client by server
- 15. Multiple Choice
Stand-alone computer and client in physical size :
Fits on a desk
Partial room to a full room of equipment
Small cabinet
- 16. Multiple Choice
Partial room to a full room of equipment :
Mainframes physical size
Stand-alone computer physical size
Clients physical size
Servers physical size
- 17. Multiple Choice
server for users :
Usually one (can be more if networked)
Hundreds to thousands
One to hundreds
Two to thousands
- 18. Multiple Choice
Hundreds to thousands users in category :
Stand-alone computer
Mainframes
Clients
Servers
- 19. Multiple Choice
General characteristic of stand-alone computer :
Able to perform all of its input itself
processing itself
storage activities by itself
output itself
- 20. Multiple Choice
Computer on a network that requests resources from the server and also called a workstation :
Clients
Servers
Mainframes
Stand-alone computer
- 21. Multiple Choice
Computer that controls access to the hardware, software, and other resources on a network, and provides a centralized storage area for programs, data, and information :
Stand-alone computer
Mainframes
Clients
Servers
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