Convert the following unsigned binary integers to decimal an

Convert the following unsigned binary integers to decimal and hexadecimal: Convert the following unsigned hexadecimal integers to decimal and binary 1CA Convert the following unsigned decimal integers to binary and hexadecimal: 124 Add and multiply the following two unsigned binary numbers: 1010 and 0111 Add the following two hexadecimal numbers without converting them to decimal or binary: BD12 and 1A3F Represent two\'s complement of the following binary numbers: 10100110 Represent 16-bit binary numbers for the following decimal: -25

Solution

Ans) 1. 10011110 using binary weights ....2²2¹2⁰

Required decimal value is - 2⁷+0+0+2⁴+2³+2²+2¹+0=128+16+8+4+2=158

For hexadecimal split the binary values in groups of 4 from left sidei,e

10011110--------- 1001 1110 find hexadecimal equivalent for the each 4 bit group

i.e 9 E

So Hexadecimal Equivalent is 9E

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