M2S1 Part 1 Flashcards
an electronic device, operating under the control of instructions stored in its own memory
computer
Info Processing Cycle:
- Collects data(input)
- Processing
- Produces information(output)
Categories of Computer:
- Personal computers
- Mobile computers and mobile devices
- Game consoles
- Servers
- Mainframes
- Supercomputers
- Embedded computers
can perform all of its input, processing, output, and storage activities by itself
personal computer
Two popular architectures of a personal computer:
PC and the Apple
Personal computer you can carry from place to place
Mobile Computer
Computing device small enough to hold in your hand
Mobile Device
Examples include notebook computers, laptop computers, netbooks, ultra-thins, and Tablet PCs
Mobile Computer
Examples include smart phones and PDAs, e-book readers, handheld computers, portable media players, and digital cameras
Mobile Device
Mobile computers and devices:
- Notebook computer
- Tablet PC
- Smart phones and PDAs
- E-book reader
- Handheld computer
- Portable media player
- Digital camera
a mobile computing device designed for single-player or multiplayer video games
game console
controls access to the hardware, software, and other resources on a network
server
Provides a centralized storage area for programs, data, and information
server
is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously
mainframe
is the fastest, most powerful computer
supercomputer
re capable of processing more than one quadrillion instructions in a single second
supercomputer
a special-purpose computer that functions as a component in a larger product
embedded computer
beads on rods to count and calculates till widely used in Asia
abacus
is a manually-operated calculating device for the calculation of products and quotients of numbers.
John Napier
Napier’s bones
based on Napier’s rules for logarithms
Slide Rule (1630)
a device fitted to a power loom that simplifies the process of manufacturing textiles with such complex patterns as brocade, damask and matelassé.
Jacquard Loom (1804) Joseph MarieJacquard
was a proposed mechanical general-purpose computer
Analytical Engine
Charles Babbage
It was first described in 1837 as the successor to Babbage’s Difference Engine, a design for a simpler mechanical computer.
Analytical Engine
Charles Babbage
What was the biggest advancements that led to modern computers?
- Electricity
- Transistor
- Microchip
- Data storage
First Generation (1940-1956) of Electronic Computers used:
Vacuum Tubes
