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Computer systems / Rekenaarstelsels - 214

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For the function represented by the following truth table:

Vir die funksie  what deur die volgende waarheidstabel vertoon word:

 

Find the minimum-cost product-of-sums expression.

(Hint: Begin with the product-of-maxterms and use algebraic manipulation.)

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Bepaal die minimum-koste produk-van-somme uidtrukking.

(Wenk: begin met die produk-van-maksterme en gebruik algebraïese manipulering.)

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Consider the following logical network built from AND, OR and NOT gates:

 Beskou die volgende logiese netwerk gebou met EN, OF en NIE hekke:

 

Which of the following is the simplest logical expression for the above network?

Watter een van die volgende is die eenvoudigste logiese uitdrukking for die netwerk hierbo?

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Do the following multiplication by using signed binary numbers (5-bit system). Use 2’s complement for negative numbers, and give your final answer in 2's complement. 

Doen die volgende vermenigvuldiging deur van getekende binêre getalle gebruik te maak (5-bis stelsel). Gebruik 2-se-komplement vir negatiewe getalle, en gee die finale antwoord in 2-se-komplement.

 

(-3)10  × (-4)10 

 

 

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Consider the following 9-bit floating point number system:

Sign: 1 bit | Exponent: 3 bits | Mantissa: 5 bits

Calculate the decimal value of the following floating point number:

Sign: 0 | Exponent: 101 | Mantissa: 10111

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Beskou die volgende 9-bis wisselpunt getalstelsel:

Teken: 1 bit | Eksponent: 3 bits | Mantissa: 5 bits

Bereken die desimale waarde van die volgende wisselpuntgetal:

Teken: 0 | Eksponent: 101 | Mantissa: 10111

 

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