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37 Cards in this Set
- Front
- Back
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Charles babbage |
English mathematician made the first automatic digital computer in 1838. |
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Babbages machine |
Difference Engine |
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A Computer operates under the control of |
software stored in its own memory unit |
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SC 1 and 2 |
China 273 and 390 million |
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SC 3 |
Piz Daint Swiss 91 mill |
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SC 4 5 6 |
USA Titan 97 mil Sequoia 655.4 mil Cori 70 mil |
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Sc 7 |
K computer Japan 1.2 billion |
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Mainframes |
Capable of processing data at very high speeds. Supports thousands of users simultaneously |
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Midrange computers |
Mini computer Smaller version of mainframe... hundreds of users |
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Personal computers |
Micro one user |
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Information processing cycle 4 |
IPOS Input - mouse, keys Process - CPU Output - speaker Storage- hard drive USB |
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How many MB can a CD-ROM hold |
650MB |
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How many gigs can a DVD hold |
17.8G |
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Bit |
1 binary digit |
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Byte |
8 bits |
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Kilobytes |
1024 bytes |
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Megabytes |
1 million bytes |
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Gigabyte |
1 billion bytes |
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Terabytes |
1 trillion bytes |
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Petabytes |
1 quadrillion bytes |
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Exabyte |
1 quintillion bytes |
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The CPU transforms blank into blank |
Data (input) information (output) |
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RAM |
Random access memory |
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Size of computers memory refers to |
Ram |
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Processor chip is responsible for processing the blank which make up the computer blank |
instructions software |
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Typical chip is less than |
A quarter square inch |
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Chips clock speed is measured in |
Gigahertz |
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Hardware includes what 4 devices |
Input devices, CPU, output devices, storage devices |
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two components of software |
Operating System (Utility) Application |
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Operating Systems controls the computers use of its |
Hardware resource |
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Microsoft 3 pros |
Cheaper Preferred platform for business Many manufacturers |
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Microsoft 2 cons |
More viruses OS instability |
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Mac 2 pros |
Easy to set up and use High end software and productivity |
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Unix |
Dependable multi user environment |
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Linux |
Good for web servers |
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Utility software |
A type of system of software that allows a user to perform maintenance like tasks
Ex- anti virus, firewall |
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Application software |
Helps accomplish a specific task |
