Computer Architecture
30th Sept 2019 Computer Architecture The CIR/current instruction register, is the current instruction the CPU is doing Then the ALU/Arithmetic Logic Unit, is where all of the maths is done, E.G +,-,*,/ and it will also do logic, And, Or, Not (gates) 2) Identify Four events that take place during the fetch-Execute cycle Fetch then decode then PC(Program counter) will go up by one then execute 3)Gareth's Sat Nav contains an embedded system. Define what is meant by embedded system. An embedded system is a computer system embedded into a device and has no keyboard or mouse, only a button or dial if any thing. 4) Identify three devices, other than a Sat Nav, that contains an embedded system Dishwasher, Microwave and Washing Machine RAM -> Random Access Memory, holds Programs, Data and operating System, is volatile Volatile means all is forgotten when computer is shut down,Read/Write memory ROM -> Read Only Memory, holds Bootstrap Loade...