Unit (9) Technical English - Bits and Bytes

1. Unit (9) Bits and Bytes
Ex. 1.A
1. Computers perform four functions: input, processing, output, and storage.
2. Input devices: These devices are used to give information to the computer.
3. Processing device: It is responsible for processing all of the information that is inputted to the
computer.
4. Output devices: These devices are used to display or output information from the computer.
5. Storage devices: These devices are used to store information.
INPUT PROCESS OUTPUT STORAGE
Keyboard CPU Speakers Floppy Disks
Mouse Processor Monitor CDs
Digital Camera Printer DVDs
Scanner
Vocabulary
1
( ‫ثنائية‬ ‫رقمية‬ ‫وحدة‬ / ‫بت‬
1
-
0
)
Bit
10
‫معال‬
Processor
2
‫من‬ ‫وحدة‬ / ‫ابيت‬
8
‫ثنائية‬ ‫قام‬‫ر‬‫أ‬
Byte
11
‫أجهزة‬
‫املخرجات‬
Output devices
3
‫أجهزة‬
‫املدخالت‬
Input devices
12
‫الصوت‬ ‫ات‬‫رب‬‫مك‬
Speakers
4
‫املفاتيح‬ ‫لوحة‬
Keyboard
13
‫شاشة‬
Monitor
5
‫فارة‬/‫ماوس‬
Mouse
14
‫طابعة‬
Printer
6
‫رقمية‬ ‫ا‬‫ري‬‫كام‬
Digital Camera
15
‫ين‬‫ز‬‫التخ‬ ‫أجهزة‬
Storage devices
7
‫الضوئي‬ ‫ماسح‬
Scanner
16
‫نة‬‫ر‬‫امل‬ ‫اص‬‫ر‬‫األق‬
Floppy Disks
8
‫املعاجلة‬ ‫جهاز‬
Processing device
17
‫املدجمة‬ ‫اص‬‫ر‬‫األق‬
CDs
9
‫ية‬‫ز‬‫ك‬
‫املر‬ ‫املعاجلة‬ ‫وحدة‬
CPU (Central Processing Unit)
18
‫اص‬‫ر‬‫أق‬
‫الرقمية‬ ‫الصورة‬
DVDs

2. Ex. 1.B
1. CDs are the most popular form of portable data storage. I
2. A microprocessor chip does all the mathematical and logical operations. A
3. A digital camera is used to input photographs and short video recordings. D
4. A graphics tablet is used to draw pictures. H
5. A modem sends data to another computer along a telephone line. E
6. A scanner is used to copy pictures and text into the computer. C
7. Speakers produce sound from the hard disk or from a portable data storage device. F
8. A DVD can hold huge amounts of data. G
9. A microphone is used to convert sound into electrical energy. B
Vocabulary
1
‫حسابية‬ ‫عمليات‬
mathematical operations
6
‫شرحية‬
chip
2
‫منطقية‬ ‫عمليات‬
logical operations
7
‫رسم‬ ‫لوحة‬
graphics tablet
3
‫متنقل‬ ‫جهاز‬
portable device
8
‫صور‬
photographs
4
‫البياانت‬ ‫حفظ‬
data storage
9
‫مودم‬
/
‫اتصال‬ ‫جهاز‬
modem
5
‫الدقيق‬ ‫املعاجل‬
microprocessor