Computer Science

Computer Science

Translated by: Komarudin Tasdik




Chapter 1

Computer Organization and PC’s Component

A. Computer Organization

Computer is from word “to compute” means numerator. In fact today, computer is not only useful as a numerator tool but its function extended.


Ways of working of a computer can be described simply in block diagram. (Look at the book). Generally, each part can be explained as follow:

a. Input Device

Input device is tools what are used to enter data or command into a computer. For example: keyboard, mouse, and scanner. Shape of scanner is flatbed scanner and scanner. Scanner technology:

1. Resolution (optical resolution, true resolution): 300 x 600, 9600, 1200 dpi, dst

2. Scanner mechanism: three pass, one/single pass

3. Color depth: 24 bit, 36 bit

4. OCR and software: to read digital image that is drilled as text, so it can be edited directly in a computer by word processor software.

a) trackball

b) digitizer

c) camera

d) mic

e) other interface (example: sensor)

b. Output Device

to be continued

Original title: Bab 1 Organisasi Komputer dan Komponen PC


Source: Daryanto. 2003. Pengetahuan Ilmu Komputer. Bandung: Yrama Widya

[Archive 18/2/2011]
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Functions of Operating System

- Resource manage: one of operating system’s functions to allocate resource such as memory, CPU, printer, disk drive, and software.
- Interface: one of operating system’s functions as equipment between user and hardware in providing a friendly environment, so the user doesn’t worry to operate low level device.

(Translated by Komarudin Tasdik from: Kharisma. TIK X Semester 2. Solo: Haka MJ. Page 4)

[Archive 6/3/2011]