
Uned 1 - Data - Analog a Digidol
Quiz
•
Information Technology (IT)
•
10th Grade
•
Practice Problem
•
Medium
Laura Watkins
Used 9+ times
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15 questions
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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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