# User:Anjuagrawal/Assignments II year/I Assignment

**Assignment No. 1**

**Q1.**
IF 10111010 is a signed binary number, what is its decimal equivalent?

**Q2.**
Find the Gray code of the binary no. 101101101? What is the significance of the Gray code?

**Q3.**
What range of signed and unsigned values can be represented in 8 bits?

**Q4.**
Add 78910 to 18310 in 8421 BCD

**Q5.**
(355.125)10 = (x)8 = (y)16 = (z)2 Find x y and z.

**Q6.**
Subtract 10011.11 from 1000001.0001 using 1’s complement and 2’s complement method

**Q7.**
Find the decimal equivalent of (AE4)16

**Q8.**
) Perfor Perform 2’s complement subtraction on decimal numbers using 8 bits
4210 - 9010

**Q9.**
Which code is referred to as ‘REFLECTIVE CODE’? Why?

**Q10**
Perform XS3 addition

**Q11.**
Differentiate between LCD and LED

**Q12**
Express 7892 in BCD 2421 and Excess-3 code.
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**Q1.**
IF 10111010 is a signed binary number, what is its decimal equivalent?

**Q2.**
Find the Gray code of the binary no. 101101101? What is the significance of the Gray code?

**Q3.**
What range of signed and unsigned values can be represented in 8 bits?

**Q4.**
Add 78910 to 18310 in 8421 BCD

**Q5.**
(355.125)10 = (x)8 = (y)16 = (z)2 Find x y and z.

**Q6.**
Subtract 10011.11 from 1000001.0001 using 1’s complement and 2’s complement method

**Q7.**
Find the decimal equivalent of (AE4)16

**Q8.**
) Perfor Perform 2’s complement subtraction on decimal numbers using 8 bits
4210 - 9010

**Q9.**
Which code is referred to as ‘REFLECTIVE CODE’? Why?

**Q10**
Perform XS3 addition

**Q11.**
Differentiate between LCD and LED

**Q12**
Express 7892 in BCD 2421 and Excess-3 code.