General Science...

Match List-I with List-II and select the correct answers using the codes given below the lists:

What is a keyboard used in a computer for?

Which one of the following is not correctly matched?

Radar is used for

 Consider the following statements regarding ‘INS Tarkash ’
1. It is built indigenously by DRDO.
2. It is a multi-role stealth frigate.

Q. Which of the above statements is/are correct?

Consider the following statements with respect to the new Remote Sensing Data Policy:
1. Agencies other than ISRO can also be nodal agencies for remote sensing.
2. All remote sensing imagery and data up to one meter resolution will be made freely available.
3. The old 2001 policy mandated that ISRO could release only data up to 6.8 resolutions.

Q. Which of the statements given above are correct?

The new version of advanced television, beyond the high definition television is 4 K television. Consider the following statements in this regard?
1. The basic principle of 4K TV is Near Field Communication (NFC).
2. The term 4K refers to the horizontal resolution of the images, which are all on the order of 4,000 pixels. 3. If the screen is too big then the HD gives the blurred images because the resolution of the images and pixels are limited.

Q. Which of the statements given above are correct?

What is the difference between present Wi –Fi technology and super Wi –Fi?
1. Present Wi –Fi technology supports 802.11 b/g/n standard while new super Wi –Fi will support 802.11 ad standard.
2. Super Wi –Fi can send data upto the length of 1 –2 GB and eventually there would be no log in the speed.
3. The new super Wi –Fi would function at the speed of 7 gigabytes per second, much more than the speed of ordinary Wi –Fi.

Q. Select the correct answer using the codes given below:

A team of scientists at NASA with the European Space Agency are working to probe dark energy or the existence of dark matter. Consider the following statements in this regard.
1. Dark matter is called so because it does not interact with light.
2. Dark matter interacts with ordinary matter through gravity and binds galaxies together like an invisible glue.
3. While dark matter pulls matter together, dark energy pushes the universe apart at ever increasing speed.
4. Dark matters are potentially effective in many diagnostic devices such as PET scanners.

Q. Which of the statements given above are correct?

Consider the following statements about a computer named “Greenware ”.
1. ‘Greenware ’is completely free of both hazardous PVC (Polyvinyl chloride) and BFR (brominated flame-retardants).
2. Manufacturing of ‘Greenware ’can be a special action like replacing all standard light bulbs with CFLs or a more general application to live more ecologically.

Q. Which of the statements given above is/are correct?