homework1_solution

# homework1_solution - Assigned Due CprE 211 Spring 2005...

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Assigned: 1/13/05 Due: 1/25/05 1 CprE 211 – Spring 2005 Homework 1 Solution Last Name _________________________ First Name _________________________ Section _____________________ Remember, these homework exercises not only give you practice with course concepts, but also represent the types of questions you will be tested on in an exam.

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Assigned: 1/13/05 Due: 1/25/05 2 1. Digital Logic – Number Representation [14] Consider each of the following data items, and fill in the blanks. a. Character ‘a’ (ASCII character code) = ___0x61_________ Hex (8-bit) b. Character ‘A’ (ASCII character code) = _____01000001_______ Binary (8-bit) c. Character ‘1’ (ASCII character code) = _______0x31_____ Hex (8-bit) d. Character ‘1’(ASCII character code) = _______49_____ Decimal e. Integer 23 = ________17____ Hex (8-bit) f. 32-bit Unsigned Integer Range = _______0_____ - ___4,294,967,295____ Decimal g. 32-bit Unsigned Integer Range = _____0_______ - _____FFFFFFFF___ Hex h. 32-bit Signed 2’s Complement Integer Range = ______-2147483648___ - ______2147483647_ Decimal i. (Unsigned) 0xA23C + 0x1EF0 = _____0xC12C____ Hex j. (Unsigned) 0xA23C - 0x1EF0 = _______0x834C___ Hex k. (Signed 2’s Complement) 0xA23C - 0x1EF0 = __0x834C_____ Hex l. 368 Decimal = _____0x170___ Hex (16-bit) m. Logical shift right, 4 times, of 368 Decimal = ______23____ Decimal (16-bit) n. Bitwise AND of 368 Decimal with 231 Decimal = ____96_____ Decimal (16-bit)
Assigned: 1/13/05 Due: 1/25/05 3 2. Bitwise Operations [4] Complete the following: a. if (byVal & 0xC3) What does this statement test for?

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