Trng i hc Cng ngh Thng tin thi cui k - Nm hc 2008-2009

Mn: Kin trc My tnh

Thi gian: 120 pht

(Sinh vin uc php s dng ti liu Khng dng PC)

Cu 1:a) Thc hin cc php ton s hc (s b 2) trn cc thanh ghi 8 bit:

(45 21) , (25 36) v (12 35)b) Biu din cc s sau di dng du chm ng chun hc:

1234,15 v 5756,24

Cu 2:

Thit k mch t hp c 3 u vo x, y, z v 3 u ra A, B, C (ng vi s nh phn 3 bit). Khi u vo c gi tr 0, 1, 2, 3 th u ra c gi tr ln hn u vo l 2 (tc l 2, 3, 4, 5). Khi u vo l 4, 5, 6, 7 th u ra nh hn u vo l 2 (tc l 2, 3, 4, 5).Cu 3:

Thit k mch tun t c 2 mch lt SR A v B, hai u vo E v x. Nu E = 0, mch gi nguyn trng thi bt chp x. Khi E = 1 v x = 1, mch chuyn trng thi t 0001101100 v lp li.

Cu 4:

Cc vi lnh sau c thc hin trong h thng nh hnh v. Vi mi vi lnh, xc nh: Ga tr cc ng nhp chn bus S2, S1, S0.

Thanh ghi v ng nhp iu khin LD (nu c).

Tc v c hoc ghi b nh (nu c). Tc v trong mch cng lun l (nu c)a) AR PCb) IR M[AR]

c) M[AR] TR

d) AC DR, DR AC

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