Download PTU (Punjab Technical University) BSc IT (BCA) 3rd Semester 74059 COMPUTER SYSTEM ARCHITECTURE Last 10 Years 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 and 2010 Previous Question Papers.
Roll No. Total No. of Pages : 02
Total No. of Questions : 07
B.Sc. (IT) (2015 & Onward) (Sem.?3)
COMPUTER SYSTEM ARCHITECTURE
Subject Code : BSIT-301
M.Code : 74059
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains SIX questions carrying TEN marks each and students have
to attempt any FOUR questions.
SECTION-A
Q1) Answer briefly :
a) Differentiate between Computer architecture and Organisation.
b) What do you understand by Instruction Cycle?
c) What is the main difference between Memory stack and Register stack?
d) Differentiate between Logical and Physical addresses.
e) Give the significance of page replacement algorithms.
f) Write two pros of Layers Approach of Computer Architecture.
g) Differentiate between Synchronous and asynchronous modes of data transfer.
h) Give one example each for zero address, one address and two address and three
address instructions.
i) Differentiate between SISD and SIMD.
j) List various shift operations.
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1 | M- 74059 (S3)-336
Roll No. Total No. of Pages : 02
Total No. of Questions : 07
B.Sc. (IT) (2015 & Onward) (Sem.?3)
COMPUTER SYSTEM ARCHITECTURE
Subject Code : BSIT-301
M.Code : 74059
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains SIX questions carrying TEN marks each and students have
to attempt any FOUR questions.
SECTION-A
Q1) Answer briefly :
a) Differentiate between Computer architecture and Organisation.
b) What do you understand by Instruction Cycle?
c) What is the main difference between Memory stack and Register stack?
d) Differentiate between Logical and Physical addresses.
e) Give the significance of page replacement algorithms.
f) Write two pros of Layers Approach of Computer Architecture.
g) Differentiate between Synchronous and asynchronous modes of data transfer.
h) Give one example each for zero address, one address and two address and three
address instructions.
i) Differentiate between SISD and SIMD.
j) List various shift operations.
2 | M- 74059 (S3)-336
SECTION-B
Q2) What is stored program Concept? Discuss in brief the Flynn's Classification of
architecture.
Q3) Design 4-bit arithmetic circuit that implements eight arithmetic operations.
Q4) What is Cache memory? Differentiate between Direct Mapping and associative Mapping
by taking Suitable Example.
Q5) What do you mean by initialization of DMA controller? How DMA Controller works?
Explain with suitable block diagram.
Q6) Define an addressing mode. Discuss the various addressing modes by taking suitable
examples for each.
Q7) Differentiate between Hardwired and Micro programmed control Unit.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 07 December 2019