ECE 2020 Midterm: ECE 2020 GT sp09 sw Exam f
15 Feb 2019
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Instructions: this is a closed book, closed note exam. If you have a question, raise your hand and i will come to you. Please work the exam in pencil and do not separate the pages of the exam. Part a (8 points) implement the expression below using n and p type switches. Part b (8 points) implement the expression in mixed logic notation using nand gates. Part c (8 points) implement a 2 to 4 decoder with enable using basic gates. Part d (8 points) write a pos expression for a two-input xor (odd parity) using maxterms. Seti has just received an interesting message from deep space. While the comments are written in an alien tongue, they appear to write programs in mips assembly. Intergalactic scientists have only been able to decode the register assignments. # inputs: = num elements, = array a pointer, = array b pointer, # output: =result, working: = ina/diff, = inb/pred, label.
