Zusammenfassung der Ressource
Computer
System -IP
- Input
Unit/Device
- E.g. keyboard,
mouse
- Output
Unit(Device)
- E.g Printer,
Monitor
- Computer Evolution
- 500 BC
- Abacus
- 1642
- Pascaline
- 1834
- Analytic
Engine
- 1890
- Tabulating
Machine
- 1937
- Turning
Machine
- 1945
- EDVAC/ENIAC
- 1947
- Transistors
- 1970
- Integrated Circuits
- Hardware
- Physical
Components
- E.g Keyboard,
mouse,screen,CPU
- Software
- Computer
Programs
- Programming
language
- High level
- E.g Python, c
- Low level
- E.g Assembly
- Application s/w
- General Purpose
- Customized s/w
- System s/w
- Operation system
- E.g Windows,
Unix, Linux
- Types
- Single user
- Multi user
- Interfaces
- Command based
- E.g MSDOS, Unix
- GUI
- E.g Windows
- Touched based
- E.g Android
- Voice Based
- E.g. Android
(Google now)
- Gesture based
- E.g Waving,eye
motion
- Language Translator
- Compiler
- E.g C, C++
- Assembler
- E.g Assembly
- Interpreter
- E.g Python, java
- Utility s/w
- Computer Memory
- Units of Memory
- KB
- MB
- GB
- TB
- Typesof Memory
- Primary Memory
- RAM(Random
Access
Memory)
- Can perform
read and
write
operations
- Ram is volatile
- ROM (Read
Only Memory)
- Only read
operation
performed
- Rom if non volatile
- Cache Memory
- a very high
speed memory
- Secondary Memory
- to permanently
store the data
- Data Capturing,
Storage, and
Retrieval
- Data Capturing
- process of gathering
data from different
sources in digital form
- Data Storage
- process of storing the
captured data for
processing later.
- Data Retrieval
- fetching data from
the storage devices
- Data Deletion and
Recovery
- Proprietary or Free and
Open Source Software