26, Form the 8-bit Two\'s Complement of this binary intezer: 99999901 c. 1111000

Question

26, Form the 8-bit Two's Complement of this binary intezer: 99999901 c. 11110000 d. 11110001 27, Translate the following signed binary to decimal: 11111001 a. +7 b. -78 28. Convert the followving string to a sequence of hexadecimal ASCIl codes: "Bw6s4 a. 42h, 43h, 44h, 45h, 46h b. 34h. 35h, 36h, 57h, 42h c. 42h, 57h, 36h, 35h, 34h d. none of the above 29, A program that combines object files into an executable program is called a a. compiler b. loader c. linker d. assembler 30. How many hexadecimal digits are used to represent 12 binary bits? b. 2 c. 4 d. 1 31. Thein a binary byte is the left-most bit. a. MSB b. LSB C. Page 5 ofs

Explanation / Answer

Q26. Two’s Complement of number: 00000001

         One’s complement of number: 11111110

         Two’s Complement of number+00000001

         Two’s Complement of number:11111111

         Answer is a.

Q27. 11111001 is equivalent to -7, -7 can be represented by twos complement.

         7 is represented by 00000111, its one’s complement is 11111000 and twos complement is

         11111001.

        Answer is c.

Q28. ASCII Code of A (41h), B(42h), C(43h),…, W(57h); and for all numbers: 1(31h), 2 (32h), 3(33h),
         4(34h), 5(35h), 6(36h).

        Answer is c.

Q29. A program that convert a object file to executable file is called Linker.

Answer is c.

Q30. There are 12 binary bits then there will be 3 hexadecimal bits because 4 bit is required to represent one hexadecimal number.

Answer is a.

Q31. Left most bit in bytes is MSB.

Answer is a.

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