Data Structures, Database and OS - Software Engineering - Nepal Engineering Council Registration Examination

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Nepal Engineering Council Registration Examination
Software Engineering
Data Structures, Database and OS
Quiz-5

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Q.No.1

What is a weak entity set in an E-R model?

a. An entity set that has foreign keys b. An entity set that has no attributes c. An entity set that has a primary key d. An entity set that does not have a primary key

Q.No.2

What is a view in SQL?

a. A stored procedure in SQL b. A function in SQL c. A virtual table based on the result-set of a query d. A physical table stored in the database

Q.No.3

What is query optimization in databases?

a. The process of backing up a database b. The process of normalizing a database c. The process of indexing a database d. The process of improving the performance of a query

Q.No.4

What is a log-based recovery in databases?

a. A method for backing up data b. A method for ensuring data integrity after a failure c. A method for normalizing data d. A method for indexing data

Q.No.5

What is a race condition in concurrent programming?

a. A situation where software runs slower than expected b. A situation where software runs faster than expected c. A situation where the behavior of software depends on the sequence of execution d. A situation where software fails to execute

Q.No.6

What is a critical section in concurrent programming?

a. A section of code that executes very quickly b. A section of code that is used for initialization c. A section of code that accesses a shared resource d. A section of code that cannot be accessed by other processes

Q.No.7

What is a mutex in operating systems?

a. A type of memory b. A synchronization primitive used to protect shared resources c. A file system d. A network protocol

Q.No.8

What is the primary goal of an operating system's scheduler?

a. To manage the execution of processes b. To manage file systems c. To manage memory allocation d. To manage network connections

Q.No.9

What is the primary function of the kernel in an operating system?

a. To manage user accounts b. To manage hardware resources and provide essential services c. To manage network connections d. To manage files and directories

Q.No.10

What is the difference between paging and segmentation in memory management?

a. Paging is used for memory allocation, segmentation is used for memory deallocation b. Paging divides memory into variable-size pages, segmentation divides memory into fixed-size segments c. Paging divides memory into fixed-size pages, segmentation divides memory into variable-size segments d. Paging is used for memory deallocation, segmentation is used for memory allocation

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Quizzes under Software Engineering

Fundamentals of Information Technology
Model Question
Software Engineering and OOAD
Programming Language and Its Applications
Data Structures, Database and OS
Microprocessor, Computer, Organization, and Architecture
Analysis and Design of Algorithm, and Programming (System and Network)
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