T4.2 Kombinatorisk logikk Flashcards

1
Q
  • Digital
A

Bare to verdier (høy og lav spenning)

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2
Q
  • Analog
A

Alle mulige verdier

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3
Q
  • Boolsk logikk
A

Regler for å regne med verdier som enten er sanne eller usanne

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4
Q
  • Asserted
A

Signal som er logisk høyt (1)

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5
Q
  • Deasserted
A

Signal som er logisk lavt (0)

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6
Q

“Don’t care” verdien

A

Verdi som ikke har noen betydning for utgangsverdien

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7
Q

For en logisk blokk med n input er det alltid

A

2^n muligheter

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8
Q

Porter

A

Kombinatoriske enheter som implementerer boolske operatorer

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9
Q

NOR

A

En invertert OR gate

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10
Q

NAND

A

En invertert AND gate

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11
Q

Dekoder

A

Tar inn et n-bit signal og setter utgangsverdien som tilsvarer verdien til signalet. Har vanligvis 2^n utgangsverdier.

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12
Q

Buss

A

Flerbitssignaler som behandles som ett enkelt logisk signal

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13
Q

Vi henter ut enkeltbit fra en buss med

A

firkantparenteser

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14
Q

Hva betyr A[4-0] mtp. busser?

A

bit 4, 3, 2, 1 og 1 fra signal A

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15
Q

I en buss har den mest signifikante biten alltid…

A

høyest indeks

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