Explanation

A current file refers to one that is actively being dealt with or processed in an office.

It remains "current" until action is completed and then moved to closed or recorded status.

Explanation

The term "band" refers to the speed at which data travels along communication lines.

It is also known as bandwidth.

It measures the range of frequencies that a communication channel can transmit.

It indicating how quickly data can be transferred.

Explanation

• Mortar, Cacrus, and Milosous are not real computer viruses.
• They are likely fictional or made-up names, and are not recognized or known viruses.

Explanation

• The incorrect statement is: "The advantage is data flow representation".
• Data flow representation is actually a characteristic of Data Flow Diagrams (DFDs), which are used in Data Flow Design, a different software design methodology. DFDs show the flow of data through a system, whereas structural design focuses on the hierarchical structure of modules and their interfaces.

Explanation

The operator that tests column for the absence of data is an is NULL operator. The NULL operator is used in the database for representing that a particular field is empty.

SELECT ‘column_name’

FROM ‘table_name’

WHERE ‘column_name’ IS NULL

Explanation

• The 'CREATE TABLESPACE' privilege allows users to create tablespaces at the server level.
• Tablespaces are used for managing the physical storage of tables and indexes.
• This privilege falls under the realm of server administration.

Explanation

A microprocessor is a computer processor wherein the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits.

First generation (1940 - 1956)  vacuum tubes as a major piece of technology. The ENIAC is  example of 1st generation computer.

Second generation (1956 - 1963) use of transistors.

Third generation (1964 - 1971)  use of Integrated circuits.

Fourth generation (1972 - 2010) use of the microprocessor

Fifth generation (2010 to present) use Artificial intelligence

Explanation

• DVD is an optical disk technology with a  4 to 5 gigabytes storage for videos, audio or other information.
• DVD stands for Digital Versatile Disk.
  
• DVD is an example of Optical Disk. 
• DVD is a storage device.

Explanation

Explanation

MPEG stands for Moving Picture Experts Group.

It's a group that develops international standards for compressing, processing, and representing audio, video, and other multimedia.