Тест по компьютерным наукам

In the network model of databases, how are relationships between data entities represented?

• Through a strict hierarchical structure with single parent-child relationships

• Using tables with predefined rows and columns

• By allowing records to have multiple parent records, enabling many-to-many relationships

• As objects with attributes and methods, similar to object-oriented programming

• With a focus on minimizing data redundancy through normalization

Which of the following is a function of an operating system?

• Creating and editing documents

• Managing hardware resources such as memory and peripherals

• Developing and compiling software code

• Providing tools for web browsing and online communication

• Designing and managing database systems

What is a potential consequence of a poorly designed human-machine interface?

• Increased user satisfaction and efficiency

• Reduced training time for operators

• Accidents and disasters due to user error and confusion

• Decreased reliance on automation

• Enhanced system security and reliability

Which database model is best suited for representing complex relationships where a data element can be related to multiple other data elements?

• Hierarchical model

• Relational model

• Object-Oriented model

• Network model

• Entity-Relationship model

Which of the following is NOT a component of multimedia?

• Text

• Audio

• Binary code

• Video

• Graphics

What is the primary purpose of information compression in multimedia?

• To increase file size

• To reduce storage and bandwidth requirements

• To enhance image resolution

• To add encryption

• To remove metadata

Which technology is used for 3D representations of virtual worlds?

• HTTP

• CSS

• Virtual Reality (VR)

• SMTP

• DHCP

What is a key advantage of vector graphics over raster graphics?

• Larger file size

• Resolution independence

• Limited color options

• Pixelation when scaled

• Incompatibility with animations

Which of the following is an example of a nonlinear multimedia application?

• PowerPoint presentation

• Interactive video game

• Printed book

• Radio broadcast

• Live streaming

What does 'HTTP' and 'URL' stand for?

• HyperText Transfer Protocol

• High-Tech Text Processing

• Hosted Terminal Transfer Path

• Hyperlink Text Transmission Protocol

• Hardware Testing Tool Protocol