

Ukuran Data
Presentation
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Computers
•
5th Grade
•
Hard
cikgu noor
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4 Slides • 0 Questions
1
Ukuran Data
Asas Sains Komputer Tingkatan 1
Bab 2 : Perwakilan Data

2
Ukuran Data
Imej Digital ialah gambar ang dirakam dan disimpan dalam bentuk pola-pola bit (0 dan 1).
Audio Digital ialah isyarat bunyi yang telah ditukar kepada nombor perduaan dan disimpan dalam bentuk pola-pola bit.
3
Unit Ukuran Bagi Imej Digital
Terdapat tiga jenis ukuran imej iaitu :
(a) Resolusi (b)Dimensi (c) Kedalaman Bit
(a) Resolusi - ketajaman dan kejelasan imej.
(b) Dimensi - ukuran panjang dan lebar imej dalam unit piksel.
(c) Kedalman Bit - bilangan bit 0 dan 1 pada sesuatu warna yang digunakan.
Piksel ialah elemen ang terkecil untuk paparan imej pada skrin atau dalam bentuk cetakan.
4
Unit Ukuran bagi Audio Digital
(a) Kadar Sampel ialah bilangan sampel sesaat yang diambil oleh analog to digital converter. Unitnya ialah hertz.
(b) Kedalaman Bit ialah bilangan bit (0 dan 1) iaitu bit per sampel.
Ukuran Data
Asas Sains Komputer Tingkatan 1
Bab 2 : Perwakilan Data

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