Struktur & Fungsi Struktur ialah cara bagaimana komponen berhubungan di antara satu sama lain. Fungsi ialah operasi komponen2 individu sbg sebahagian drpd.

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Presentation transcript:

Struktur & Fungsi Struktur ialah cara bagaimana komponen berhubungan di antara satu sama lain. Fungsi ialah operasi komponen2 individu sbg sebahagian drpd struktur

Fungsi (fg) Keseluruhan fg komputer adalah spt berikut: Proses data (Data processing) Penyimpanan data (Data storage) Aliran data (Data movement) Kawalan (Control)

Rajah Kefungsian Rajah kefungsian komputer Storage Facility Data Movement Apparatus Control Mechanism Storage Facility Processing

Operasi (1) Pergerakkan data (Data movement) cth. papankekunci (keyboard) ke skrin (screen) Data Movement Apparatus Control Mechanism Storage Facility Processing

Operasi (2) Penyimpanan (Storage) cth. Punggah dr internet ke cakera (Internet download to disk) Data Movement Apparatus Control Mechanism Storage Facility Processing

Operasi (3) Memproses drpd/ke storan cth. Kemaskini penyata bank Data Movement Apparatus Control Mechanism Storage Facility Processing

Operasi (4) Memproses drpd storan keI/O cth. Cetak penyata bank Data Movement Apparatus Control Mechanism Storage Facility Processing

Komponen-komponen komputer Struktur sesuatu komputer mempunyai empat komponen penting: Central Processing Unit (CPU) Ingatan Utama/Main Memory I/O Penyambungan antara sistem (system interconnection)

Komponen-komponen komputer (samb.) CPU mengawal operasi sesuatu komputer dan memproses data Ingatan Utama digunakan untuk menyimpan data I/O memindahkan data antara komputer dan persekitaran luaran Penyambungan antara sistem adalah mekanisma yang bertanggungjawab kepada perhubungan antara CPU, ingatan utama dan I/O

Struktur - Top Level Computer Peripherals Central Main Processing Unit Main Memory Computer Systems Interconnection Input Output Communication lines

Komponen-komponen utama bagi CPU Unit kawalan/Control Unit Mengawal operasi CPU dan seterusnya komputer ALU Melakukan kerja-kerja memproses data bagi komputer Pendaftar/Register Membekalkan simpanan dalaman bagi CPU Penyambungan dalam CPU Mekanisma yang membekalkan perhubungan antara unit kawalan, ALU dan pendaftar

Struktur - The CPU CPU Arithmetic Computer and Registers Login Unit I/O System Bus CPU Internal CPU Interconnection Memory Control Unit

Struktur - The Control Unit CPU Arithmetic and Login Unit Registers ALU Control Unit Internal Bus Internal CPU Interconnection Registers Control Unit