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1.1 system architecture

shanice B Computer Science GCSE Inglés 10 fichas

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1what does the Central processing unit (CPU) do?*fetches instructions
*its an embedded system
2what does the PC (Program Counter) do ?it holds the address of the next instruction
3what does the accumulator (ACC) do?it holds the results of calculations.
4what does the Memory Data Register (MDR) do?holds the data fetched from, or to be written to the memory.
5what does the (MAR) memory address data do ?*stores the location in memory to be used by the MDR.
*Holds the address of where data s to be fetched or store.
6what does the ALU do?This Component performs calculations.
7what does the CU do?it decodes the instructions and sends signals to control how data moves around the CPU.
8What does the clock speed do?A number of times an instruction can be processed in a second.
9embedded system?a small computer with an specific function embedded into a larger mechanical or electrical system.
OR ACCEPT
- a controller with a function specific within a larger mechanical or electrical system.
10example of embedded systems.-microwave
-washing machine
-car wipers
-DVDs
-GPS
-calculator

Descripción: GCSE Computer Science Fichas sobre 1.1 system architecture, creado por shanice B el 12/09/2019.
Creado por: shanice B
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Etiquetas: computer sciencecomputingsystem architecure1.1
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