Computer Hardware Devices

Monitor has 25 pins jack, so it can not attach through USB port.

It stands for Visual Graphic Adapter that means jack of monitor.

It can attach in USB port to open micro SD cards.

A device that is dependent upon another device

It is a socket on motherboard in which expansion card is inserted.

Pen drive can connect to the USB port of the computer system. This port is also known as plug n play port.

You can scan photo slides with the help of a slide scanner. The use of slide scanners thus enables people to digitalize photographs.

Correct option is 5 

A touch screen can be used as both input as well as output device.

In digital imaging, a pixel or pel (picture element) is a physical point in a raster image, or the smallest addressable element in a display device. So, it is the smallest controllable element of a picture represented on the screen.

Weather station collects information and communicates it for processing.

Option (2) is the correct answer. We can only type with a keyboard, and not with mouse and joystick.

Punched card is not associated with personal computers. A punched card is a piece of stiff paper that contains either commands for controlling automated machinery or data for data processing applications.

When multiple users access a central computer simultaneously, each user needs a terminal (keyboard and display) to communicate with the central system. Terminals allow many users to share the central computer's resources through time-sharing.