Chapter 1 The Big Pictures Flashcards
1
Q
Computing system
A
Computer hardware, soft-ware, and data, which interact to solve problems
2
Q
Computer hardware
A
The physical elements of a computing system
3
Q
Computer software
A
The programs that provide the instructions that a computer executes
4
Q
6 Layers of a computing system (1 = outermost & 6 innermost)
A
- Communications
- Applications
- Operating systems
- Programming
- Hardware
- Information
5
Q
Abstraction
A
A mental model that removes complex details
6
Q
First Generation (1951 - 1959)
A
Vacuum tubes - to store information
magnetic drum - memory device
Card Reader - Input device
Punched card or line printer - output device
magnetic tape - external or aux memory storage
7
Q
Second Generation
A
Advent of the transidtor… etc, etc
