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FPSC · CSS 2024

Computer Science, Paper II

100 marks · 3 hours · 7 questions · official PDF, 3 pages
This paper Computer Science · all yearsQ. 2 · Why are multi-processor systems considered…Q. 3 · Why cache memory is considered…Q. 4 · Compare the OSI and TCP/IP…Q. 5 · Compare the file systems of…Q. 6 · Elaborate on the evolution of…Q. 7 · Explain the algorithms used for…Q. 8 · Develop a numerical comparison between…With this paperPart-I MCQs20Official PDF3 pp← 20242025 →
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SECTION–A

Q. 2
  1. (a)Why are multi-processor systems considered advantageous in computer architecture? How does parallel processing fundamentally improve the performance and scalability of a computer system? [7]
  2. (b)How does the choice of architectural level impact the performance of a computer system? Provide a numerical comparison between two different architectural levels, highlighting their strengths and weaknesses. [7]
  3. (c)If a processor executes 1 billion instructions per second and has an instruction execution cycle of 4 cycles per instruction. Calculate the overall execution time for a program with 1 million instructions. Discuss how reducing the number of cycles per instruction can impact performance. [6]
(7)
Q. 3
  1. (a)Why cache memory is considered a critical component in a computer system? How does the internal and external data representation contribute to optimizing memory usage and system efficiency? [7]
  2. (b)Explain the concept of parallelism in computer architecture. How does the internal structure of a microprocessor contribute to parallel processing capabilities? [7]
  3. (c)Break down the stages of the instruction execution cycle in a computer system. How do the characteristics of CISC and RISC architectures influence the execution cycle? [6]
(7)
Q. 4
  1. (a)Compare the OSI and TCP/IP models in terms of their simplicity and practicality. Why is a layered approach beneficial in network design? [7]
  2. (b)Explain how overlay networks and content distribution networks enhance the performance and scalability of internet services? Provide a numerical example to illustrate their impact on content delivery. [7]
  3. (c)If the internet were a city, and each device had its own unique street address, how does IP addressing work in this scenario? Explain the purpose of subnetting using a neighborhood analogy. [6]
(7)
Q. 5
  1. (a)Compare the file systems of UNIX and Windows in terms of structure, permissions, and file organization. How do these file systems cater to the needs of diverse computing environments? [7]
  2. (b)How does an operating system mediate between application programs and the computer hardware? Discuss the key roles and responsibilities of an operating system in managing resources. [7]
  3. (c)What is process management in the context of operating systems? How does the operating system handle processes, and what role does it play in multitasking? [6]
(7)

SECTION–B

Q. 6
  1. (a)Elaborate on the evolution of database systems, highlighting major milestones. Discuss the impact of emerging technologies on the field of database systems. [7]
  2. (b)Write a SQL query involving multiple tables and incorporating JOIN operations. Discuss the potential pitfalls and optimizations related to complex SQL queries. [7]
  3. (c)What are distributed databases, and why are they used? Discuss the advantages and challenges of managing data in a distributed environment. [6]
(7)
Q. 7
  1. (a)Explain the algorithms used for point detection, line detection, edge detection, and boundary detection in digital images. Discuss the strengths and limitations of these techniques. [7]
  2. (b)Provide detailed explanations and applications of morphological operators like erosion, dilation, opening, closing, skeletonization, and thinning in image processing. [7]
  3. (c)Compare and contrast various image sensing and acquisition techniques. Discuss the advantages and limitations of different methods such as CCD and CMOS. [6]
(7)
Q. 8
  1. (a)Develop a numerical comparison between client-side functionalities implemented using different JavaScript patterns. Discuss how these patterns impact code maintainability and performance? [7]
  2. (b)Discuss data aspect architectures in web development. How do these architectures address challenges related to data storage, retrieval, and management? [7]
  3. (c)Create a numerical comparison of the efficiency of data exchange using different APIs, such as REST and GraphQL. Discuss the considerations in choosing the appropriate API for a given scenario. [6]
(7)

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About this paper

The 2024 CSS Computer Science paper set by the Federal Public Service Commission. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet. Open the official paper beside the questions to check any of them.

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