bit
– computer store information in digital format, on and off called logic 1 and logic 0. the smallest element in a computer is bit and holds either 1 or 0.
– komputer menyimpan maklumat dalam bentuk digital, buka dan tutup yang dipanggil logik dan logik 0. elemen terkecil ialah bit dan hanya memegang 0 dan 1
byte
– computer uses only one bit that can have two situation either 1 or 0. it is not practical to save vast information. therefore more than 1 bit is gathered.
– one byte consist of 8 bits, and can consist of 256 values. computer uses byte to represent character like ‘a’ and number ‘3’ and symbol ‘ *’.
– komputer hanya menggunakan satu bit yang mana boleh ada 2 situasi samada 1 atau 0.
– satu bait menandungi 8 bit dan boleh mengandungi 256 nilai. komputer menggunakan bait untuk mempersembahkan karektor seperti ‘a’, ‘3’ dan ‘simbol’.
field
– combination of one or more character and it is the smallest unit that can be retrieved.
– kombinasi satu atau lebih karektor dan merupakan unit terkecil
record
- collection of field.
- adalah koleksi beberapa lapangan
file
- collection of record.
- koleksi beberapa rekod
database
– collection of file.
– koleksi beberapa fail
2 comments :
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