COMPUTER SCIENCE ASSIGNMENT

ENTER NAME

1. To calculate stored data, the computer uses a……… number system.

2. The number system based on ‘0’ and ‘1’ only, is known as

3. Decimal number system is the group of ………… numbers.

• 0 or 1
• 0 to 9
• 0 to 7
• 0 to 9 and A to Z

4. A hexadecimal can be represented by

• three binary (consecutive) bits
• four binary (consecutive) bits
• eight binary (consecutive) bits
• sixteen binary (consecutive) bits

5. The binary equivalent of decimal number 98 is

6. The binary number 10101 is equivalent to decimal number ………….

7. To convert binary number to decimal, multiply all binary digits by power of

8. How many values can be represented by a single byte?

• 16
• 128
• 64
• 255

9. The coding system allows non-English characters and special characters to be represented

• ASCII
• UNICODE
• EBCDIC
• ALL OF THESE