Explain different types of security threats in the computer network

Explain the following network devices:

i. Bridge

ii. Modem

ii. Gateway

iv. Router

What are output devices? Briefly explain various types of printing devices.

What is network topology? Explain Tree and Star topology with the help of suitable diagrams

What is a Flowchart? Explain different symbols used in Flowchart. Draw a Flowchart for finding the simple interest on a saving bank deposit.

Briefly explain various types of social engineering.

What is System Software? How System Software is different from Application Software