quiz5_solution - ECSE 2610 Quiz 5, Spring, 2005 Duration...

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Unformatted text preview: ECSE 2610 Quiz 5, Spring, 2005 Duration 1:20-1:50pm Name: Student Number: Section Number: 1. Given the architecture of a computer: the associated registers! and the possihte register transfer operations: answer the following questions {11] points). Memory - Address MEI‘I‘IOJ‘f B H E- M Ha I! Fl F! u 5 A Fl REGISTER TRANSFER. OPERATIONS: PC —} BUS tit —> BUS ri'LC —> HUS MHH —} HUS ALU result 4: BL’S WEE -> flLU Port A BUS —‘r PC BUS —‘r IR BUS —r AC HUS —> MHR HUS —:~ ALU l’ort B HUS —> MA“ Using these operations, give the sequence of operations to perform instruction Fetch and Housekeeping operations. Be sure to indicate the Memory Read: White: or ALU increment commands: as needed. 0 Instruction Fetch Uperations [5 pls} n: A» Bug ELIE —a'.“: Pnfifi t-iswatj llama MEIR. —‘«* Bus -- "LR. IL Héusekeeping Operations [5 pts] PC+i ""' I-r'r'Er‘strt 3': 2. Given the following VHDL code segment, identify the input, output: and provide the truth table. What does it do ? {14] points}. entity unknown is Ii 'I‘- '3". {ti-— In: H? 'iT’Ftr‘wQ. port (N: in “ME” mm mm. (ME, Cid} F: out etho ic : end unknow: ] thUd‘ '5’ NI “3‘?” i} F architecture unknownjrch of unknown is begin ifN=1or N=2 then F ii: Il"; eieif N=3 or Nzfi or N27 or N=ll or N213 then F 1:1: ‘1:; else F i: ‘13:; end if; end unk nonr -ai'ch; .5“ t: ‘5; {Ii2.s,s.'],nxis} Nx‘fzw 3. Write a complete 1|M'HDL code segment {entityr and architectures definitions} that im— plements a full—adder. identify the inputs and outputs variables {10 points]. {2 r147: ,1- :-, Fuji flu if II 3 (J Perri (X; T) Cm :Lfin lift/Z {Huh-i I SM“ J Did; .L'J. '3 " PIN-i {L-trgfxtiEUh-ME. Lupfiifll’l‘u. of [-5, LEE/{rs SMM'C: Km Kc}: kiwi Cnth- < : Dlh‘ll T} IlT [ >6 G*&,_ till-I“. j -H \l” and ) aha 1-bich 3 X“ T, (film glad: i: ' s h'h' / " :an ...
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This homework help was uploaded on 04/22/2008 for the course ECSE 2610 taught by Professor Ji during the Spring '08 term at Rensselaer Polytechnic Institute.

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quiz5_solution - ECSE 2610 Quiz 5, Spring, 2005 Duration...

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