Question

can anyone pls. answer all the questions​

Answer 1

28.a) WEB SERVER: it is a computer that stores websites and their related files for viewing on the internet.

b)DIAL UP: it uses the facilities of PSTN to establish inter connection via telephone lines using a device called modem.

c) WI-FI: it is a popular technology used to transfer data wirelessely over a network.

29. TYPES OF CHARTS:-

1. column chart

2.bar chart

3.cone chart

4.pie chart

5.area chart

31.DATABASE SERVER:-

database servers are dedicated computers that hold the actual databases and run only the DBMS and related software.

PRIMARY KEY:  it is a unique value that identifies a row in a table.

FOREIGN KEY: it identifies a column or set of columns in a table.

HOPE IT IS USEFUL.....