M.c.qs -1(number systems)

2. M.C.Qs-1
(NUMBER SYSTEMS)
1. The binary number 110 is equivalent to decimal number.
*2 *4 *6 *10
2. A number whose exponent is zero is always.
*zero *one *two *none
3. The binary number 111 is equivalent to the decimal number.
*3 *6 *7 *8
4. A number system is based on two basic concepts they are
*binary and decimal *binary *decimal *none
5. In a binary system the decimal number 4 is equivalent to
*111 *110 *100 *101
6. In the binary number system 1+1+1=
*111 *101 *11 *110
7. The binary equivalent of decimal number 257 is
*1000001 *10001 *100000001 *1001011

3. 8. The number system that uses 10 as the base is known as
*binary *decimal *both *none
9. The binary number 1000 is equivalent to the decimal number:
*3 *6 *7 *8
10. The number system that uses 2 as the base is known as
*binary *decimal *both *none
11. The binary system has base
*10 *2 *5 *8
12. The decimal system has base
*10 *2 *5 *8
13. Quinary number system is based on
* 2 digits * 5 digits * 8 digits * 10 digits
14. Octal number system is based on
* 2 digits * 5 digits * 8 digits * 10 digits
15. Base ` 5 ` number is called
* Quinary no. * Octal no. * Binary no. * Decimal no.
16. Base ` 8 ` number is called
* Quinary no. * Octal no. * Binary no. * Decimal no.

4. 17. (5)10 in Quinary number system is
* 100 * 10 * 1000 * 01
18. (8)10 in Octal number system is
* 100 * 10 * 1000 * 01
19. In Quinary number system 3 + 4 is equal to
* 11 * 12 * 10 * None of these
20. In Octal number system 5 + 4 is equal to
* 11 * 12 * 10 * None of these
21. (12)5 in Decimal number system is equal to
* 5 * 9 * 7 * 10
22. (11)8 in Decimal number system is equal to
* 5 * 9 * 7 * 10
23. Number system used in computer is
* Decimal * Binary * Octal * Pental
24. To convert a decimal number into binary number, we used the
method repeated
* Division * Multiplication * Addition * Subtraction

5. 25. In quinary numbers system 4× 3 is
* 22 * 32 * 42 * 52
26. In octal numbers system 6× 5 is
* 36 * 46 * 56 * 66
ANSWERS-M.C.Qs-1(NUMBER SYSTEMS)
1 – c 4 – a 7 – c 10 – a 13 –b 16 –b 19 –b 22 - b 25 – a
2 – b 5 – c 8 – b 11 –b 14 – c 17 –b 20 – a 23 –b 26 – a
3 - c 6 - c 9 - d 12 – a 15 - a 18 - b 21 - c 24 – a