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Kap 2 Flashcards

(8 cards)

1
Q
  1. Beskriv skillnaden mellan RISC- och CISC-processorer
A

RISC (reduced instruction set computer) processorer har få och enkla maskininstruktioner medans CISC (complex instruction set computer) processorer har många och kraftfulla maskininstruktioner.

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2
Q
  1. Vilka är de tre olika kategorierna av maskininstruktioner (machine instruction categories)?
A

logiska/aritmetiska instruktioner, styr-instruktioner och data transfer instructions.

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3
Q
  1. Vad är ett maskinspråk (machine language)?
A

Datorns alla maskininstruktioner tillsammans kallas för datorns maskinspråk.

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4
Q
  1. Vilka olika steg ingår i en maskincykel (machine cycle)? Ange stegen i den ordning de utförs.
A

Fetch, decode, execute

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5
Q
  1. Vad lagras i programräknaren (program counter)?
A

I programräknaren lagras adressen som datorn ska hämta nästa instruktion ifrån.

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6
Q
  1. Vad lagras i instruktionsregistret (instruction register)?
A

maskininstruktionen som ska utföras

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7
Q
  1. Vilka är de tre huvudsakliga delar som en processor (CPU – central processing unit) består av?
A

Logic/aritmetic unit, registers, control unit.

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8
Q
  1. Vad krävs för att man ska kunna tolka ett bitmönster som ett tecken?
A

Att man känner till teckenkodningen.

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