Question

26. The is a group of bits that tells the computer to perform a specific operation A). program counter B). Opcode C). register D). microoperation 27. A condition called occurs in unsigned binary representation of a number when the result of an arithmetic operation is outside the range of allowable precision for the given number of bits. A). underflow B). 2's complement C). overflow D) bitwise complement 28. An iteration of the fetch-decode-execute cycle includes which of the following events? A). The control unit fetches the next program instruction from memory, using the program counter to determine where the instruction is located. B). The instruction is coded into a language that the ALU can understand C). The ALU executes the instruction and places the results in registers or memory. D). All of the above. 29. What is the result in binary when the hexadecimal number 1F is added to the hexadecimal number 2F? A). 01001110 B). 10110010 C). 01100100 D). 11100000 is equivalent to the hexadecimal 30. The 4-bit binary number number C. A). 1100 B).0011 C). 1011 D). 1110

Answer 1

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26. The is a group of bits that tells the computer to perform a specific operation. A). program counter B). Opcode C). register D). microoperation 27. A condition called occurs in unsigned binary representation of a number when the result of an arithmetic operation is outside the range of allowable precision for the given number of bits. A). underflow B). 2's complement C). overflow D) bitwise complement

29. What is the result in binary when the hexadecimal number 1F is added to the hexadecimal number 2F? A). 01001110 B). 10110010 C). 01100100 D). 11100000 is equivalent to the hexadecimal 30. The 4-bit binary number number C. A). 1100 B). 0011 C). 1011 D). 1110