HSC Science (Computer Science)
Academic Year: 2015-2016
Date & Time: 14th March 2016, 11:00 am
Duration: 3h
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.............is a Micro-controller.
(i) 8086
(ii) 8051
(iii) 8088
(iv) 80286
Chapter:
..............instruction does not affect the Flag.
(i) RAR
(ii) CMP C
(iii) XRA
(iv) MOV A,B
Chapter:
If length of cable is very long then ................ is used in between to bring the weakend signal to its original level.
(i) MODEM
(ii) HUB
(iii) REPEATER
(iv) ROUTER
Chapter:
.....................instruction is used for 16-bit addition.
(i) ADD
(ii) ADI
(iii) ADC
(iv) DAD
Chapter:
Differentiate between Micro-controller and a Micro-processor
Chapter:
Explain the function of following pins of 8085
(i) HLDA
(ii) SID
(iii) READY
Chapter:
Discuss in brief the members of X-86 Family begining from 80386 and upwards.
Chapter:
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Draw the memory register map of Micro-controller 8051.
Chapter:
Draw the labelled internal block diagram of 8085 Microprocessor
Chapter:
Explain in brief programming model of X-86 Family.
Chapter:
Explain any three Addressing Modes of 8085 with examples.
Chapter:
State the different hardware interrupts with their priorities and branching addresses.
Chapter:
Explain the advantages of following features of Pentium Processor
(i) Dual - Pipelining
(ii) Pre fetching
(iii) Branch Prediction
(iv) Internal Data Bus
Chapter:
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What is a Protocol ? Explain the concept of TCP/IP Protocol.
Chapter:
Draw the labelled diagram of X-86 farilily Flag Register.
Chapter:
Write an Assembly Language Program to multiply a number stored at location 1050 with a nunber at location 1051. Result is 2-byte. Store result at locations 1052 and 1053.
Chapter:
Write an Assembly Language Program to multiply a number stored at location 1050 with a nunber at location 1051. Result is 2-byte. Store result at locations 1052 and 1053.
Chapter:
Write an Assembly Language program to transfer a block of memory starting from 1050H to 1059H to a new location starting from 1070H to 1079H.
Chapter:
A two-byte number is stored at location C000 H and C001 H. Write on Assembly Language Program to rotate this number to the left side by 3 places and store the rotated number in the BC register pair.
Chapter:
Write an Assembly Lariguage Program to add 2 decimal numbers stored at 1050 H and 1051 H.· Store result at 1052 H and 1053 H.
Chapter:
Accumulator contents of 8085 are B7H and register B contents are A5H.What will be the effect of following instructions on the. contents of Accumulator, when executed independently ?
(i) ADI 05
(ii) CMP B
(iii) CMA
(iv) XRA B
(v) ORA B
Chapter:
Write an Assembly Language Program to increment the contents of alternate memory locations each by two from 1051 H to 1060 H.
Chapter:
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