ICT450-TOPIC 1

Data is a _________

• processed information

• raw facts

• meaning

• unknown

Which definition is correct about database?

• A disorganized collection of data stored and accessed electronically.
• A database is not related to data storage.
• A structured collection of data stored and accessed electronically.
• A structured collection of data stored and accessed manually.

Database consists of?

• Random data stored in a shoebox
• Unorganized data stored on paper
• raw facts and metadata

• Disorganized data stored in a filing cabinet

Choose the correct order of DBMS evolution

• Computer file system, DBMS, manual file system

• Manual File System, Computer File System, DBMS

• DBMS, manual file system, computer file system

• manual file system, DBMS, Computer File System

Which one is an example of DBMS?

• SQLite
• MySQL, Oracle, Access

• MongoDB
• Redis

Access to a file is dependent on its structure.

• Data Dependence

• Structural Independence

• Data Independence

• Structural Dependence

What is island of information?

• A piece of data that is isolated or disconnected from the rest of the information
• A physical island where data is stored
• same basic data appears in different location

• A type of computer software

Which one is not the types of data anomalies

• modification

• insertion

• deletion

• creation

Database environment must consists of

• hardware, software, data, processes, individuals
• hardware, software, information, procedures, people
• hardware, software, data, procedures, equipment
• hardware, software, data, procedures, people

Which one is DBMS function?

• Data storage, retrieval, manipulation, and security
• Data entry, Data cleaning, Data validation
• Network security, Software development, Cloud computing
• Data analysis, Data visualization, Data modeling