Notes for BSc CSIT

What is the main purpose of a firewall in information security? A) To encrypt data that will be transmitted B) To protect against malware infections C) To control network traffic and block unauthorized access D) To store sensitive information securely Answer : C) To control network traffic and block unauthorized access Explanation : A firewall monitors and controls network traffic based on security rules, preventing unauthorized access. What is the first step in knowledge management strategy? A) Training all the staffs B) Implementing knowledge management software C) Identifying and assessing knowledge assets D) Archiving the knowledge and using for all the staffs Answer : C) Identifying and assessing knowledge assets Explanation : Identifying and assessing knowledge assets is the initial step to understand what knowledge exists and how it can be utilized. In reinforcement learning, what is the primary purpose of the "exploration Vs exploitation" trade-off? A) To balance...

  Multiple-Choice Questions on Software Engineering, MIS, IT Trends, and IT Policy for IT Officer Exams Software Engineering and Its Importance What is a primary benefit of software engineering in development projects? a) Increases development time b) Ensures systematic, disciplined, and cost-effective development c) Eliminates the need for testing d) Reduces software reliability Answer : b) Ensures systematic, disciplined, and cost-effective development Explanation : Software engineering provides structured methodologies to develop reliable software efficiently. Why is software engineering critical for large-scale projects? a) It simplifies manual coding b) It manages complexity and ensures scalability c) It eliminates documentation d) It focuses only on coding Answer : b) It manages complexity and ensures scalability Explanation : Software engineering handles complex requirements and ensures scalable, maintainable systems. Software Process Models Which software process model is r...

  Multiple-Choice Questions on Database Management System for IT Officer Exams Database Management System and Its Applications What is a primary function of a Database Management System (DBMS)? a) To design user interfaces b) To manage and organize data efficiently c) To compile application code d) To manage network protocols Answer : b) To manage and organize data efficiently Explanation : A DBMS provides an interface to store, retrieve, and manage data, ensuring data integrity and efficient access. Which application commonly uses a DBMS? a) Word processing b) Banking systems c) Image editing d) Operating system management Answer : b) Banking systems Explanation : DBMS is widely used in banking for managing transactions, customer data, and accounts due to its reliability and security features. ER Modeling What does an entity represent in an ER diagram? a) A relationship between tables b) A real-world object with attributes c) A database query d) A normalization rule Answer : b) A ...

  Multiple-Choice Questions on UGC and TU for Officer Exams UGC and Its Role in Higher Education of Nepal What is the primary objective of the University Grants Commission (UGC) in Nepal? a) To conduct university examinations b) To promote and enhance the quality of higher education c) To manage university admissions d) To appoint university faculty Answer : b) To promote and enhance the quality of higher education Explanation : The UGC, established under the UGC Act (1993), aims to improve higher education quality, support institutions, and meet national workforce needs. Under which act was the UGC of Nepal established? a) Education Act 1971 b) UGC Act 1993 c) TU Act 1992 d) Higher Education Act 1986 Answer : b) UGC Act 1993 Explanation : The UGC was established as an autonomous body under the University Grants Commission Act of 1993 to facilitate higher education development. What is one of the UGC’s key roles in Nepal’s higher education? a) Directly teaching university courses b...

  Multiple-Choice Questions on Operating Systems for IT Officer Exams Operating System and Its Functions What is a primary function of an operating system? a) To compile programs b) To manage hardware and software resources c) To design user interfaces d) To develop applications Answer : b) To manage hardware and software resources Explanation : An operating system acts as an intermediary between hardware and software, managing resources like CPU, memory, and I/O devices. Which operating system function ensures efficient CPU utilization? a) File management b) Process scheduling c) Memory allocation d) Device driver management Answer : b) Process scheduling Explanation : Process scheduling allocates CPU time to processes, ensuring efficient multitasking and resource use. Types of Operating Systems Which type of operating system is designed for time-critical applications like air traffic control? a) Batch OS b) Real-Time OS c) Distributed OS d) Multi-programmed OS Answer : b) Real-Ti...

 Multiple-Choice Questions on Microprocessors and Computer Architecture Microprocessor and Bus System of Microprocessor Based System What is the primary function of the address bus in a microprocessor-based system? a) Transfers data between CPU and memory b) Specifies memory or I/O device locations c) Controls the timing of operations d) Carries power to peripherals Answer: b) Specifies memory or I/O device locations Explanation: The address bus carries the memory address or I/O port number to identify the location for data transfer. Which bus in a microprocessor system is bidirectional? a) Address bus b) Data bus c) Control bus d) System bus Answer: b) Data bus Explanation: The data bus is bidirectional, allowing data to be transferred to and from the CPU, memory, or I/O devices. Intel 8085 Microprocessor Architecture, Programming, and Interfacing How many general-purpose registers are available in the Intel 8085 microprocessor? a) 4 b) 6 c) 8 d) 10 Answer: b) 6 Explanation: The 8...