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Computer Fundamentals

Computer Fundamentals for 2nd year 2nd Sem Yr 2012-2013
by

Dennis Garcia

on 6 January 2013

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Transcript of Computer Fundamentals

By: Eng'r. Dennis A. Garcia What is Computer History of Computing Parts of Computer Operating System 1.) C++
2.) Java
3.) Adobe Photoshop
4.) Microsoft Office Wiki said that a computer is a general purpose device that can be programmed to carry out a finite set of arithmetic or logical operations. Early Developments I. CPU - Central Processing Unit
A. Register
B. Control Unit
C. ALU - Arithmetic and Logic Unit
II. Memory
A. Ram
B. ROM
III. Hard disk
IV. Input Output Device
V. Motherboard 1.) Windows - DOS platform
- Windows 7
- Windows 8
2.) Linux - UNIX platform
- Ubuntu
- Mint
- Debian Application Introduction to Computer Fundamentals Computer is an advanced electronic device that takes raw data as input from the user and processes these data under the control of set of instruction. 2700–2300 BC Sumerian
Abacus 1614 Logarithms
(John Napier) 1622 Invention of the
Slide Rule
(Robert Bissaker) 1642 First mechanical
digital calculator
(Blaise Pascal) 1812 Difference Engine
(Charles Babbage) 1833 Analytical Engine
(Charles Babbage) 1801 Punched paper cards
textile loom (Jacquard Loom)
(Joseph Marie Jacquard) 1890 First electro-mechanical
punched card
data-processing machine
(Herman Hollerith) Vacuum tube/Triode invented
(Lee De Forest) 1905 1935 The relay-based
IBM 601 EDSAC, the world’s first stored-program computer
(Maurice Vincent Wilkes, David Wheeler & Stanley Gill)
–3K vacuum tubes, 300 square feet, 12 kW,
–500KHz, circa 650 IPS, 225 MPS.
–1024 17-bit words of memory in mercury ultrasonic delay lines –early DRAM ;-)
–31 word “operating system” (!) 1949 1954 TRADIC, first electronic
computer without vacuum
tubes (J. H. Felker of Bell Labs) The Silicon Age 1954 first silicon (junction)
transistor
(Texas Instrument) 1959 first integrated circuit
(Jack Kilby & Robert Noyce
Texas Instrument) 1964 IBM System/360,
based on ICs. 1971 Intel 4004,
first micro-processor
(Ted Hoff):
–2300 transistors, 1978 Intel 8086/8088
(used in IBM PC). 1980 first VLSI chip
(> 100,000 transistors) ~800M transistors, 45nm,
~3 GHz. Today Linux Vs Windows approx 700 x 10^6 gates
Full transcript