Uned 1 - Data - Analog a Digidol

Uned 1 - Data - Analog a Digidol

10th Grade

15 Qs

quiz-placeholder

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Uned 1 - Data - Analog a Digidol

Uned 1 - Data - Analog a Digidol

Assessment

Quiz

Information Technology (IT)

10th Grade

Practice Problem

Medium

Created by

Laura Watkins

Used 9+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beth yw’r gwahaniaeth rhwng data a gwybodaeth?

Mae gan ddata ystyr, ond nid oes gan wybodaeth.

Mae data yn ffeithiau crai, tra bod gwybodaeth yn ddata sydd wedi’i brosesu.

Cedwir gwybodaeth mewn deuaidd, tra cedwir data mewn degol.

Nid oes unrhyw wahaniaeth rhwng data a gwybodaeth.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa un o’r canlynol yw enghraifft o ddata analog?

Cod deuaidd

Cloc digidol

Rhychau mewn record finyl

Neges destun

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beth mae cyfrifiaduron yn ei ddefnyddio i brosesu data?

Tonfeddi sain

Signalau analog

Rhifau deuaidd (0 a 1)

Trydan yn unig

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pa un o’r canlynol NAD yw’n ddyfais analog?

Chwaraewr recordiau finyl

Microffon

Camera digidol

Deial haul

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beth yw pwrpas Trawsnewidydd Analog i Ddigidol (ADC)?

Troi signalau digidol yn signalau analog

Trosi data analog yn fformat digidol

Storio data mewn fformat deuaidd

Dileu data diangen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ym mha uned y caiff cyfradd samplu sain ddigidol ei mesur?

Didau (d)

Decibelau (db)

Hertz (Hz)

Picseli (px)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Os oes gan ffeil sain gyfradd samplu o 44 kHz, beth mae hyn yn ei olygu?

Mae’n recordio 44 sampl y funud

Mae’n recordio 44,000 o samplau yr eiliad

Mae’n recordio 44 miliwn o samplau yr awr

Mae’n recordio cyfanswm o 44,000 did o ddata

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