Q.1
14 Marks(a)
List the basic computer data-types.
(b)
List the arithmetic micro-operations supported by a basic computer.
(c)
Explain r’s complement and r-1’s complement with examples for two different values of r.
Gujarat Technological UniversitySummer 2026 examination
GTU 3140707 Computer Organization & Architecture (COA) Summer 2026 Question Paper & PDF
B.E. · Computer Engineering · Semester 4 · Subject code 3140707
- Total
- 70 marks
- To pass
- 23 marks (33%)
- Duration
- 2.5 Hours 10:30 AM – 1:00 PM
- Questions
- 5 with internal choice
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7 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 37 repeated 3140707 questions, most asked first
Q.2
14 Marks(a)
List the names of registers within a basic computer.
Also asked in Summer 2025 Q3a, Winter 2024 Q1b, Summer 2023 Q1a
(b)
List the logical operations supported by a basic computer.
(c)
Discuss the associative memory.
Also asked in Winter 2024 Q5b OR, Summer 2024 Q4a, Summer 2024 Q4a OR, Summer 2023 Q3c OR
OR
(c)
Explain the sequence of micro-operations required to load the value from an address in the memory.
Q.3
14 Marks(a)
Explain the micro-instruction format with diagram.
(b)
Write a program to load an integer from address 3000h and multiply it by 32 using shift operations. Store the result at address 3002h.
(c)
Discuss addressing modes of instructions.
Also asked in Winter 2025 Q3c, Summer 2025 Q3b OR, Winter 2024 Q4a, Summer 2024 Q3c, Summer 2023 Q1c
OR
(a)
Analyze the role of control unit in instruction execution.
(b)
Show the use of JNZ instruction in an example of assembly program.
(c)
Categorize and explain instruction based on number of bytes.
Q.4
14 Marks(a)
In case the speed of processor is 1Mhz. How long will a sequence of following instructions take at least? Give your answer in milliseconds. LDA 2100H MOV B,A LDA 2101H ADD A,B STA 3000H HLT
(b)
Write assembly program to add two BCD numbers stored in memory.
Store the result at address 3000h.
(c)
Explain the usefulness of priority interrupt with appropriate example.
OR
(a)
An instruction in assembly program is written as MOV CX, 302001h. What is the size of address lines in this computer?
(b)
Draw the circuit diagram for half – adder.
Q.5
14 Marks(a)
What is arithmetic pipelining?
(b)
Draw and mark the details in the IEEE-754 floating point format.
OR
(a)
What are different architectures as suggested by Flynn’s taxonomy?
Also asked in Winter 2025 Q3a, Summer 2025 Q5c OR, Summer 2024 Q3b OR, Summer 2023 Q3a
(b)
Draw only the flowchart for Booths’ multiplication algorithm.
Also asked in Winter 2025 Q4c, Winter 2023 Q1c
(c)
Discuss in brief the concept of inter-processor communication and synchronization.
More Computer Organization & Architecture papers
Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.
Other Semester 4 subjects
BE Computer
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About this paper
Official Gujarat Technological University (GTU) examination paper for Computer Organization & Architecture (COA) (Summer 2026, B.E. · Computer Engineering, Sem 4). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.