- Thomas Horrior
- Al-Beruni
- Aristotle
- Galileo-Galilei
- d
-
First telescope was invited in 1608 in Netherlands.
Solar panels contain solar cells which are called:
- Photo-Voltaic Cells
- Photo-Nuclear Cells
- Photo-Clectric Cells
- Photo-Protic Cells
- a
-
Solar Panel Cell or Photovoltaic Cell convert the energy of light into electric energy.
The light sensitive part of the eye is:
- Cornea
- Optic Nerve
- Retina
- Iris
- C
-
Retina is the most sensitive nerve tissue of eye.
Its located back side on eye.
It receives images and forward it to brain.
There are seven parts of human eye which are Sclera, Iris, Cornea, Pupil, Lens, Retina and Optic Nerves.
Convex Lenses are also known as:
- Diverging Lenses
- Converging Lenses
- Deflecting Lenses
- Reflecting Lenses
- B
-
Roger Bacon invented first Convex Lens in 1250.
Roger Bacon was a Britain Doctor.
Which country has the largest Muslim Population in the World?
- Pakistan
- Indonesia
- India
- Saudi Arabia
- b
In MS-Office , how we can change lower case characters to upper case characters, select correct combination of keys:
- TAB+F3
- CTRL+F2
- CTRL+F3
- SHIFT+F3
- d
Type of Computer memory are:
- 01
- 02
- 03
- 04
- B
-
Primary Memory (RAM & ROM)
Secondary Memory (Hard Drive, CD & etc)
Software is also called:
- Physical Part of Computer
- Input device
- Output device
- A Computer Program
- d
In MS Word 2007, which shortcut key is used to replace text of specific formulating?
- CTRL+V
- CTRL+C
- CTRL+H
- CTRL+B
- c
Inventor of Computer Mouse was:
- Faraday
- Douglas Carl Engelbart
- Bill Gates
- James Chadwick
- B
-
Douglas Carl Engelbart invented the computer mouse in 1960.
He was an American Engineer.