question What is the role of a database index in database management

Computer Fundamentals

What is the role of a database index in database management?

A. Store large binary files
B. Speed up data retrieval by providing a quick lookup
C. Encrypt sensitive data
D. Manage user access control

Database indexes improve the speed of data retrieval by creating a quick reference to specific data in a database.

What does HTML stand for?

A. Hyperlink Text Markup Language
B. Hypertext Markup Language
C. High-level Text Management Language
D. Hypermedia and Text Modeling Language

What is the role of a compiler in the software development process?

A. Manage system resources
B. Convert source code to machine code
C. Debug code
D. Run applications

Which type of software provides a user interface for interacting with the computer?

A. System software
B. Application software
C. Firmware
D. Middleware

Which of the following is a non-volatile storage device?

A. RAM
B. Flash Drive
C. SSD
D. CD-ROM

In networking, what does LAN stand for?

A. Local Area Network
B. Large Area Network
C. Linked Area Network
D. Longitudinal Access Network

What does DNS stand for in networking?

A. Domain Name System
B. Dynamic Network Server
C. Digital Network Security
D. Data Network Service

What is the purpose of the CTRL + C keyboard shortcut?

A. Copy selected text or item
B. Cut selected text or item
C. Paste copied text or item
D. Undo the last action

Which of the following is a high-level programming language?

A. Assembly
B. C
C. Machine code
D. Fortran

In web development, what does API stand for?

A. Application Programming Interface
B. Advanced Programming Interface
C. Automated Program Integration
D. Application Program Interface

What is the purpose of a compiler in the context of programming languages?

A. Convert high-level code to machine code
B. Debug code
C. Run applications
D. Connect to the internet