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# AE-JE Foundation EE : Digital Electronics Quiz 1

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Question 1

What is the decimal equivalent of the hexadecimal number (2F)16?

Question 2

Let 312 as a number in the base-B number system, where B is unknown. If (312)B = (54)10, then what is the value of the base B?

Question 3

What will be the Decimal equivalent of the hexadecimal number "BC1"?

Question 4

The 8’s complement of the octal number (235)8 is:

Question 5

Which of the below code follows the unit distance code?

Question 6

Consider the expression given below:

(–84)10 + (64)8 = (X)10

The value of ‘X’ is equal to:

Question 7

Which of the following is invalid state in 8421 binary coded decimal ?

Question 8

Convert (0.7854)10 to binary.

Question 9

A single binary digit is called:

Question 10

Convert (1101101)2 to gray code
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