http://rapidshare.com/files/97473547/mp.2.rtf
http://rapidshare.com/files/97473548/mp.1_2_.doc
http://rapidshare.com/files/97473549/MP7.rtf
http://rapidshare.com/files/97473550/MP2.doc
http://rapidshare.com/files/97473551/MP.doc
http://rapidshare.com/files/97473552/11.rtf
http://rapidshare.com/files/97473553/10.rtf
http://rapidshare.com/files/97473554/7.rtf
http://rapidshare.com/files/97473555/6.rtf
Thursday, March 6, 2008
down load 3-2 micro processor and micro wave engineering onlinebits
3-2 online bits e.c.e micro processor
1 . The number of address spaces of 8085 i s — — — — — —
( a) 4 ( b ) 8 ( c ) 2 ( d ) 1
2 . O n e o f t h e s e i s an i n d e x r e g i s t e r
( a) B P ( b ) S I ( c ) DX ( d ) I P
3 . W h i ch o f th e s e i s an 8 b i t r e g i s t e r ?
( a) DX ( b ) C X ( c ) B X ( d ) A H
4 . T h e fl ag w h i ch i n d i c a te s w h e t h e r th e nu mb e r o f 1 s a r e o d d or e ve n i n t h e l owe r 8 b i t s i s — — — — — .
( a) C Y ( b ) Z ( c ) P ( d ) S F
5 . W h i ch o f th e s e b i t s i s u s e d s p e c i al l y i n p a cke d B C D a r i t h m e t i c ?
( a) D F ( b ) C Y ( c ) AC ( d ) O F
6 . I f E A i s u s e d t o re p re s e nt E ff e c ti ve ad d r e s s t h e n w ha t a d d r e s s i n g m o d e do e s E A = [ 20 0 0] re p re s e nt
( a) R e gi s te r D i re c t
( b ) R e gi s te r I n d i r e c t
( c ) I n d i r e c t A d d re s s i n g
( d ) I m m e d i a t e a d d r e s s i n g
7 . W h i ch o f th e s e c o mb i n at i o n s i s u s e d by S T OS B i n s t r u c t i o n
( a) E S : D I
( b ) DX : A X
( c ) S S : B P
( d ) D S : S I
8 . T h e fi r s t o p e r at i o n d o n e by P U S H i n s t r u c ti o n i s
(a) U p p e r B y t e o f d a t a to s ta ck & S P = S P + 1
(b) L owe r B y t e o f d a t a to s ta ck & S P = S P – 1
(c) L owe r B y t e o f d a t a to s ta ck & S P = S P + 1
(d) U p p e r B y t e o f d a t a to s ta ck & S P = S P - 1
9 . T h e f o l l ow i n g p r og r am w i l l l o o p h ow m a ny t i m e s M OV A X , 2 M OV DX , 0 F F AG A I N : M OV C X , 0F F f D E C DX L OO P AG A I N
( a) 1 0
( b ) 2 55
( c ) I N F I N I T E
( d ) 6 55 35
1 0. W h i ch o f th e s e i s e x t e r n al to t h e p ro g ra m c o d e .
( a) P r o c e d u r e
( b ) M a c r o
( c ) L i b r ar y f u n c t i o n
( d ) S u b R o u ti n e
1 1. W h e n a C M P i n s t r u c t i on e x e c u t e s an d t h e s ou r c e an d d e s t i n at i o n op e r an d a r e n o t e q u al w h at w i l l b e c on d i t i o n of Z an d c a rr y fl a g w h e n s ou r c e i s g r e a te r t h an d e s t i n at i o n
( a) Z = 1 , C Y = 0
( b ) Z = 0 , C Y = 1
( c ) Z = 0 , C Y = 0
( d ) Z = 1 , C Y = 1
1 2. W h i ch o f th e s e c al l s u s e s on l y r e g i s t e r s
( a) C A L L F
( b ) C A L L B X
( c ) C A L L
( d ) C A L L TA B L E [ B X ]
1 3. G i ve n t h e p r og r am s h ow n b e l ow , W h a t i s t h e e x p re s s i o n e val u a t e d by t h i s p r o gr a m ? P d b 5 Q d b 6 R d b 7 S d b 6 M OV A L , [ P ] M OV B L , [ Q] A D D A L , B L M U L A L A D D A L , R M OV C L , S D I V C L
( a) ( P + Q 2 + R) / s
( b ) ( ( P +Q ) 2 + R /S
( c ) ( P + (Q + R) 2 ) /S
( d ) ( ( P + Q ) 2 + R) / S
1 4. W h i ch o f th e s e i n s tr u c t i o n s w r i t e s a byt e to m e m or y
( a) M OV S B
( b ) L OD S B
( c ) S C A S B
( d ) S T O S B
1 5. I n th e f o l l ow i n g p r o gr a m w h a t i s t h e fi n al va l u e o f t h e S I r e g i s t e r M OV A X , 1 00 0 M OV E S , , A X M OV D S , 3 00 0 M OV S I , 0 M OV D I , 0 C L D M OV C X , F F AG : M OV S W L OO P AG
( a) 0 1F E
( b ) 0 1F F
( c ) 0 1F F F
(d ) 0 0F F
1 6. W h i ch o f th e s e i s u s e d f or i n d i c at i n g t h at d at a i s b e i n g w r i t te n o r r e ad f r om th e d a ta b u s
( a) D T / R
( b ) A L E
( c ) H O LD
( d ) M N / M X
1 7. W h i ch o f t h e s e s i g n a l s a r e b i d i r e c t i o n al
( a) H O LD , H L DA
(b ) S 1 , s 2
( c ) RQ , G T
( d ) S 0 , S 1
1 8. W h i ch o f t h e s e I C ‘ s i s a 3 t o 8 d e c o d e r u s e d f o r d e c o d i n g m e m o ry ad d r e s s e s
( a) 7 4L S 2 45 /8 2 86
( b ) 8 28 4A
( c ) 7 4L S 1 3 8
( d ) 7 4L S 3 73
1 9. W h i ch o f t h e s e s i g n a l s c o mb i n at i o n i n d i c a t e s a u p p e r 8 b i t d a ta t r an s f e r
( a) A 0 =0 & B H E =0
( b ) A 0 =1 & B H E =1
( c ) A 0 =0 & B H E =1
( d ) A 0 =1 & B H E =0
2 0. W h e n an I O re qu e s t s f o r D M A th e s e q u e n c e o f s i gn a l s i s
( a) H O LD , DR E Q , DAC K , H L DA
( b ) D RE Q, H OL D , DAC K , H L DA
( c ) D RE Q, H OL D , H L DA , DAC K
( d ) H O LD , H LDA , D R E Q , DAC K
1.C 2.A 3.C 4.A 5.D 6. D 7. D 8. C 9. A 10. A 11. B 12. D 13. A 14.A 15. D 16. D 17. A 18. C 19. D 20.C
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