Föreläsning 1 - Data Storage Flashcards

1
Q

Vad står Bit för?

A

Binary digit

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2
Q

Vad är boolean operations?

A

Operations on truth values

0 representerar falskt och 1 representerar sant

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3
Q

Vilka är de fyra boolean operatörerna?

A

AND
OR
XOR (exclusive or)
NOT

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4
Q

Vad är en Gate?

A

”A gate is a device that computes a Boolean operation”

“Often implemented as small electronic circuits, providing the building blocks from which computers are constructed”

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5
Q

Vad är det hexadecimala talsystemet?

A

Ett talsystem med basen 16.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F

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6
Q

Vad står förkortninggen RAM för?

A

Random access memory

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7
Q

Hur är huvud minnet (Main memory, RAM) uppbyggt?

A

Main memory consists of a large number of circuits, each capable of storing a single bit.
Main memory are organises in units called memory cells with a typical size of 8 bits.

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8
Q

Hur stor är en byte?

A

En byte är en grupp om 8 bits

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9
Q

Hur många värden kan en bit ha?

A

En bit kan bara ha ett värde, det är antingen 0 eller 1

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