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ICS2O - Hardware 010203 - Quiz
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last edited
by Steve Sweeney 9 years, 5 months ago
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random access memory
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central processing unit
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binary
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universal serial bus
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microprocessor/cpu,
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power supply/psu,
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storage/hard drive/hdd,
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ram/memory,
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gpu/graphics card/video card,
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motherboard
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what is a motherboard? role/importance? - "nervous system" - piece of technology where all other components plug in or connect - allows power to be distributed to all other components - allows for communication between components (a) commands, (b) data
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computer as a job title - a person or people who would solve math problem/equations for scientists, military, sailors/naval, architects/engineers - check their work against other "computers", and repeat calculation if a mistake found
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basic input output system (BIOS) - located in ROM chip on the motherboard - a PROGRAM that allows key components to operate (monitor, keyboard, mouse, date/time, storage/HDD) - loads OS from the hard drive
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cache RAM - fastest, smallest - on microprocessor - holds data on current operation or calculation - volatile, data lost when power off system RAM - fast, small - stores data of all running programs - volatile, data lost when power off hard drive - slow, large - store all data on computer - non-volatile, data is saved even when power is off
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microprocessor - "brains" - controls most activity on computer (sends out commands) - performs calculations (CPU) - CPU, cache ram
ICS2O - Hardware 010203 - Quiz
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