Homework 1

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What is the minimum number of binary bits needed to represent the unsigned decimal integer 1023? 10 11 12 13

10

What is the sum of these two unsigned binary numbers? 10010111 + 11111111 110001010 110010110 100100001 100010100

110010110

What is the sum of hexadecimal integers A49 + 6BD? AB2 1106 B82 1316

1106

What is the 8-bit binary (two's-complement) representation of signed decimal integers -16? 11111011 11010110 11110000 10111000

11110000

The 16-bit hexadecimal number 4CD2 represent signed integers. Convert it to decimal. 27641 16093 19666 32208

19666

What is the decimal representation of the unsigned binary integer 00110101? 204 150 53 238

53

If A is true and B is true, then not (A and B) is true True False

False

What is the hexadecimal representation of binary numbers 1111 1110 1101 1011? 35DA CEA3 FEDB BCDE

FEDB

What is the binary representation of hexadecimal numbers 0126F9D4? 0000 0001 0010 0110 1111 1001 1101 0100 0110 1010 1100 1101 1111 1010 1001 0101 1111 0110 1001 1011 1101 1100 0010 1010 1111 1110 1101 1100 1011 1010 1101 1000

0000 0001 0010 0110 1111 1001 1101 0100

What is the 16-bit hexadecimal representation of the signed decimal integers -45? FFE8 FEB5 FFEB FFD3

FFD3

How many bits are used in data type doubleword? 16 32 64 128

32


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