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55 Cards in this Set
- Front
- Back
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A programmable computing device |
Computer |
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Operates data one at a time |
Digital Computer |
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The representation of data reflects the properties of data |
Analog Computer |
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Who are the two people involved in Analog Computers |
James Thomson Vannevar Bush |
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Invented wheels and disc integrators used in mechanical analog devices |
James Thomson |
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Created first large-scale analog computer called "Differential Analyzer" |
Vannevar Bush |
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What are the four generations in Digital Computer? |
Vacuum Tubes (First Gen) Transistors (Second Gen) Integrated Circuit (Third Gen) Microprocessors (Fourth Gen) |
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Dependent on the flow of electric current in a vacuum |
Vacuum Tube |
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Fundamental building blocks of modern computer system. Much cheaper and smaller than vacuum tubes. |
Transistors |
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Created Integrated Circuits in 1958 |
Jack Kilby |
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Consists of a set of electronic circuits on a small chip of semiconductor material smaller than a circuit made on independent components |
Integrated Circuits |
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Key Components of Computer |
Input Unit Output Unit Central Processing Unit (CPU) |
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Three Components of CPU |
Memory Unit Control Unit Arithmetic-Logical Unit |
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Respond to the instruction it receives from the user and input the information |
Input Unit |
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Data from input unit proceeds to this before executing |
CPU |
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When data reaches the processor of input data, this unit saves it immediately |
Memory Unit |
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Manages computer device functions and the central component of CPU |
Control Unit |
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Responsible for mathematical calculations and issues the computer system deals with while functioning |
Arithmetic-Logical Unit |
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Where the data is shown |
Output Unit |
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Collection of software programs and commands that control the computer hardware to make it usable |
Operating System (OS) |
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Advantages of OS |
Abstraction Executable Programs User-Friendly |
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Hides details |
Abstraction |
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Execute programs and applications |
Executable Programs |
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Easy to use format resources |
User-Friendly |
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Disadvantage of OS |
Volatility Expensive Unpredictable |
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Lose all the contents stored |
Volatility |
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Financial Burden |
Expensive |
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Never secure |
Unpredictable |
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Four Examples of Operating System |
Microsoft Windows Mac OS Android iOS |
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Created by Microsoft |
Microsoft Windows |
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Desktop operating system by Apple Inc |
Mac OS |
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Developed by Google and Open Handset Alliance |
Android |
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Mobile Operating System by Apple Inc |
iOS |
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Network of webpages |
Web (World Wide Web) |
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He invented Web |
Tim Burners-Lee |
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When was the first ever website went live |
August 6, 1991 |
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It was available to other CERN users in this time |
March 1991 |
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Massive interconnections of network |
Internet |
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During this time, he started the global computer network |
1960s |
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He started an idea for global computer network |
Joseph Carl Robnett Licklider |
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PhoneNet system were founded during this time |
1980s |
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ARPANET discommissioned. Tim Burners-Lee made HTML and URL |
1990s |
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This is the time for the rise and burst of dot-com bubble |
2000s |
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Application built on the internet |
Web |
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Infrastructure that connects computer networks |
Internet |
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4 Sectors Impacted by the Internet |
Communication Information Entertainment Education |
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Benefits from telephones and televisions |
Communication |
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Internet gave access to information online from old books to e-books |
Information |
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One of the most impacted areas |
Entertainment |
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Significant to lockdowns due to COVID-19 |
Education |
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Worlds first microprocessor |
Intel P4004 1969 |
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Two Basic Part of Computer |
Hardware Software |
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Physical |
Hardware |
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List of Commands |
Software |
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Provides building blocks to today's microcomputers |
Microprocessors |
