涓嬭浇鍓嶅厛鏍稿鏄惁鏄綘闇�瑕佺殑涓�濂楅鐩紝濡備笉鏄紝鍙兘闅忔満鍑洪锛屼笅杞界劧鍚庡鍒?
棰樼洰鍦ㄨ棰樺簱閲岄潰鏌ユ壘杈呭绛旀銆?/p>
銆婃暟瀛楅�昏緫銆嬪湪绾夸綔涓氫竴
涓�銆佸崟閫夐锛堝叡
15
閬撹瘯棰橈紝鍏?/p>
75
鍒嗐�?/p>
锛?/p>
1.
鐢ㄤ笁绾?/p>
-
鍏嚎璇戠爜鍣?/p>
74LS138
鍜岃緟鍔╅棬鐢佃矾瀹炵幇閫昏緫鍑芥暟
Y=A2+A2'A1'
锛?/p>
搴?/p>
(
)
銆?/p>
A.
鐢ㄤ笌闈為棬锛?/p>
Y=(Y0'Y1'Y3'Y5'Y6'Y7')'
B.
鐢ㄤ笌闂紝
Y=Y2'Y3'
C.
鐢ㄦ垨闂紝
Y2'+Y3'
D.
鐢ㄦ垨闂紝
Y=Y0'+Y1'+Y4'+Y5'+Y6'+Y7'
鏍囧噯绛旀锛?/p>
A
2.
涓�涓Е鍙戝櫒鍙褰曚竴浣嶄簩杩涘埗浠ｇ爜锛屽畠鏈?/p>
( )
涓ǔ鎬併�?/p>
A. 0
B. 1
C. 2
D. 3
鏍囧噯绛旀锛?/p>
C
3.
浠ヤ笅鐢佃矾涓紝鍔犱互閫傚綋杈呭姪闂ㄧ數璺紝
( )
閫備簬瀹炵幇鍗曡緭鍑虹粍鍚堥�昏緫鐢佃矾銆?/p>
A.
濂囧伓鏍￠獙鍣?/p>
B.
鏁版嵁閫夋嫨鍣?/p>
C.
鏁板�兼瘮杈冨櫒
D.
涓冩鏄剧ず璇戠爜鍣?/p>
鏍囧噯绛旀锛?/p>
B
4.
鍦ㄤ笅鍒楄Е鍙戝櫒涓紝鏈夌害鏉熸潯浠剁殑鏄?/p>
( )
銆?/p>
A.
涓讳粠
JK F/F
B.
涓讳粠
D F/F
C.
鍚屾
RS F/F
D.
杈规部
D F/F
鏍囧噯绛旀锛?/p>
C
5.
鍏矾鏁版嵁鍒嗛厤鍣紝鍏跺湴鍧�杈撳叆绔湁
( )
涓�?/p>
A. 1
B. 2
C. 3
D. 4
鏍囧噯绛旀锛?/p>
C
6.
鍦?/p>
( )
鎯呭喌涓嬶紝
鈥滄垨闈炩�濊繍绠楃殑缁撴灉鏄�昏緫
1
銆?/p>
A.
鍏ㄩ儴杈撳叆鏄?/p>
0