Page 16 - TP_Pluse_V2.2_Class_7
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test Your skiLLs
1. Tick ( ) the correct option.
a. In the binary number system, the right-most digit before the fractional point is called
____________.
(i) MSD (ii) LSD
(iii) BSD (iv) ODC
b. What is the another name for Base 2?
(i) Binary number system (ii) Hexadecimal number system
(iii) Decimal number system (iv) Octal number system
c. What are the two symbols present in the binary number system?
(i) 1 and 2 (ii) 0 and 1
(iii) 8 and 9 (iv) 5 and 6
d. The decimal number (345) is equivalent to ____________.
10
(i) (101011001) (ii) (110111001)
2
2
(iii) (111011101) (iv) (111110001)
2
2
e. In binary addition, 0 + 1 is equal to ____________.
(i) 0 (ii) 1
(iii) 10 (iv) 2
2. Write ‘T’ for true and ‘F’ for false.
a. A number system is simply a manner of counting. ____________
b. The base of decimal number system is 8. ____________
c. The word binary comes from 'Bi-' meaning two. ____________
d. LSD stands for Least Significant Digit. ____________
e. The hexadecimal number system consists of 15 symbols. ____________
3. Fill in the blanks using the words given below:
10, A, 0, 2, 8
a. In binary subtraction, 1 – 1 equals to ____________.
b. The base of binary number system is ____________.
c. The letter ___________ in hexadecimal number system represents 10 in decimal number system.
d. In binary addition, 1 + 1 is equal to ____________.
e. The octal number system consists of ____________ digits.
14 Plus (Ver. 2.2)-VII

