TYPES OF COMPUTERS Flashcards
1
Q
As per data
A
- Digital-Recognize and process data by counting using binary digit. Discrete Data
- Analogue- Recognize data as a continuous physical quantity eg measuring devices
- Hybrid-combination o the features of the 2 eg ATM and Ultrasound
2
Q
As per size and power
A
- Supercomputer-eg analyze and predict worldwide weather patterns
- Mainframe-need AC rooms
- Midrange/servers-support end users for specific needs eg retrieving data from a database
- Personal computers
3
Q
COMPUTER GENERATIONS
Memory
A
- Magnetic drum
- Magnetic core
- Magnetic disks and tapes and also magnetic based RAM
- Semiconductor Memories
- Larger Main memory and disk storage
4
Q
COMPUTER GENERATIONS
Electronic switching
A
1.Vacuum Tubes 2Transistors 3.Integrated circuits- Transistors miniaturized and placed on semiconductor chips 4.Microprocessor 5.Microprocessor chips
5
Q
COMPUTER GENERATIONS
Programming
A
- Machine language
- Assembly language allowing use of words
- High Level programming languages eg BASIC/PASCAL
- Object Oriented programming eg C
6
Q
COMPUTER GENERATIONS
Data and Instructions
A
- Input-Punch cards, Output-printouts
- Input-Punch cards
- Keyboards and Monitors; OS was able to run many apps at once
- GUI; Multiprocessing operating systems
7
Q
COMPUTER GENERATIONS
Special Info
A
- Costly- high power consumption and heat production
- 1st to store instructions in their memory
- Goal- develop devices that understand natural language input and are capable o learning and self organization (AI)