hw10_SLN

# hw10_SLN - ECE 212 HW Set 10 SLN p 1 of 7 Homework Set 10...

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ECE 212 HW Set 10 SLN p 1 of 7 Homework Set 10 SOLUTIONS 1. (a) Express hexadecimal E6 in binary. (b) Express hexadecimal 101 in binary. (c) Express binary 101 in hexadecimal. (d) Express binary 10011101 in hexadecimal. (e) Express binary 01111110011 in hexadecimal. Solution: (a) E6 = ( 1 1 1 0 0 1 1 0 ) binary (b) 0x 101 = ( 0 0 0 1 0 0 0 0 0 0 0 1 ) binary (c) 1 0 1 = 0x 5 (d) 1 0 0 1 1 1 0 1 = 0x 9D (e) 0 1 1 1 1 1 1 0 0 1 1 = 0x 3F3 [ Always begin the 4-bit grouping at the right. ]

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ECE 212 HW Set 10 SLN p 2 of 7 2. If you have 8 bits available to specify a memory address: (a) How many different addresses can you specify? (b) Write the hexadecimal values of the first and last addresses. Solution: (a) You can specify 2 8 = 256 different addresses. (b) First address = 0 0 0 0 0 0 0 0 ( binary ) = 0x 0 0 Last address = 1 1 1 1 1 1 1 1 ( binary ) = 0x F F
ECE 212 HW Set 10 SLN p 3 of 7 3. (a) How many address bits are required to address a memory that contains 4 kibi locations? (b)

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hw10_SLN - ECE 212 HW Set 10 SLN p 1 of 7 Homework Set 10...

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