APCO 2P01 Study Guide - Midterm Guide: Ddr3 Sdram, Multiprocessing, Network Interface

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Programs are typically written in a high level language (hll: eg. java. Hard(cid:449)are (cid:449)orks (cid:449)ith (cid:271)i(cid:374)ar(cid:455) represe(cid:374)tatio(cid:374)s of (cid:374)u(cid:373)(cid:271)ers. (cid:894)(cid:1004)"s a(cid:374)d (cid:1005)"s(cid:895: these conform to an on/off system. Contains the cpu which processes the instructions: data. The largest and most important circuit board: also called the main board, contains the cpu, where most processing takes place, all devices. Are either installed directly on it or linked by a cable: cpu a chip inside the computer that performs most of the actual data processing, chip set microchips on the motherboard. Control the flow of data and instructions to and from the cpu communications from cpu to memory or other devices is handled via the bus lines: 32 bit= 32 lines + central control lines. Mother(cid:271)oard is (cid:271)ased o(cid:374) a (cid:1005)94(cid:1004)"s ar(cid:272)hite(cid:272)ture: van neuman, basi(cid:272) ar(cid:272)hite(cid:272)ture has(cid:374)"t (cid:272)ha(cid:374)ged. Motherboard controls devices via a chipset: hardware requires software to run. Example: ram (random access memory: secondary storage (permanent storage):