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416 Fundamentals of Computers NPP

Q.18. Explain assembly language instruction format.
Agoå~br b¢½doO BÝñQ´>³eZ ’$m°‘}Q> g‘PmB¶o&
Q.19. What do you mean by zero, one, two and three address (operand) instructions ? Explain
with suitable examples.
Oramo, dZ, Qy> VWm W«r ES´>og (Am°naoÝS>) BÝñQ´>³eÝg go AmnH$m ³¶m Ame¶ h¡? Cn¶w³V CXmhaUm| g{hV
g‘PmB¶o&
Q.20. Explain different addressing modes giving suitable examples.
Cn¶w³V CXmhaU XoH$a {d{^Þ ES´>oqgJ ‘moS²>g g‘PmB¶o&
Q.21. What are different ways with which the CPU can be organised ? Explain giving suitable
examples.
{d{^Þ VarHo$ ³¶m h¢ {OZgo CPU H$mo Am°J}ZmBO {H$¶m Om gH$Vm h¡? CXmhaU XoH$a g‘PmB¶o&
Objective Type Questions

Q.1. Which of these is not a CPU architecture:
BZ‘| go H$m¡Z EH$ CPU Am{H©$Q>o³Ma Zht h¡…
(a) General Register / OZab a{OñQ>a (b) Accumulator Based / E³¶y‘wboQ>a ~oñS>
(c) Stack organized / ñQ>¡H$ Am°J}ZmBÁS> (d) None of these / BZ‘| go H$moB© Zht
Q.2. Which of the following uses zero operand instructions:
{ZåZ{b{IV ‘| go H$m¡Z Oramo Am°naoÝS> BÝñQ´>³eÝg H$m Cn¶moJ H$aVm h¡…
(a) General Register / OZab a{OñQ>a (b) Accumulator Based / E³¶y‘wboQ>a ~oñS>
(c) Stack organized / ñQ>¡H$ Am°J}ZmBÁS> (d) None of these / BZ‘| go H$moB© Zht
Q.3. Accumulator based CPU uses ................ operand instructions:
E³¶y‘wboQ>a ~oñS> CPU ............ Am°naoÝS> BÝñQ´>³eÝg Cn¶moJ H$aVm h¡…
(a) 1 (b) 2 (c) 3 (d) 4
Q.4. The data transfer instruction:
S>mQ>m Q´>mÝg’$a BÝñQ´>³eZ:
(a) Changes the source contents / gmog© H$ÝQ>oÝQ²>g H$mo n[ad{V©V H$aVm h¡
(b) The source contents remain unchanged / gmog© H$ÝQ>oÝQ²>g An[ad{V©V ahVm h¡
(c) Source becomes empty / gmog© Imbr hmo OmVm h¡
(d) The destination contents remain unchanged / S>oñQ>rZoeZ H$ÝQ>oÝQ²>g An[ad{V©V ahVm h¡
Q.5. The data is transfer without CPU intervention:
S>mQ>m CPU BÝQ>adoÝeZ Ho$ {~Zm Q´>m§g’$a hmoVm h¡…

(a) Using Interrupt / BÝQ>aßQ> H$m Cn¶moJ H$aHo$ (b) Synchronous / {gÝH«$moZg
(c) Asynchronous / E{gÝH«$moZg (d) DMA