What is the purpose of a dynamic link library (DLL)? MCQ with Answer and Explanation

What is the purpose of a dynamic link library (DLL)?
A. Stores user data
B. Controls memory
C. Contains reusable code for programs
D. Manages hardware
Answer: Option C
Solution (By JKExamLibrary)
DLL files contain code and data shared by multiple programs to save memory.

This question belongs to: Computer Computer Software

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Practice More Computer Software Questions

Question #1 Report Error
A software utility built into an operating system that allows an administrator to define access control lists (ACLs) and password policies for different system operators is a:
A. Device Manager Interface
B. Disk Partitioning Framework
C. User Account Management Utility
D. File Compactor Wizard

Correct Answer: Option C


Explanation:
User account utilities let administrators configure account rights, authentication credentials, and user profiles across a shared operating system ecosystem.

This question belongs to: Computer Computer Software
Question #2 Report Error
A system program that handles automatic disk monitoring, mapping drive heat sensors and tracking sectors to warn of impending hardware failure, uses which utility standard?
A. File System Cleaner
B. Defragmentation Engine
C. S.M.A.R.T. Monitoring Utility
D. System Boot Monitor

Correct Answer: Option C


Explanation:
S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) utilities analyze drive performance and health metrics to provide early warnings of mechanical failure.

This question belongs to: Computer Computer Software
Question #3 Report Error
Which of the following software programs is specifically engineered to help reorganize fragmented files on a hard drive to optimize data access speeds?
A. Backup Software
B. File Compression
C. Disk Defragmenter
D. Disk Checker

Correct Answer: Option C


Explanation:
A disk defragmenter consolidates scattered fragments of files on a magnetic hard drive platter into contiguous spaces, improving read/write speeds.

This question belongs to: Computer Computer Software