Question Discussion & Solution

The correct answer is 5.

Key Points

• Livestock census is conducted in India every 5 years. 
• So far, 20 livestock censuses have been conducted.
• For the first time, livestock data were collected online in the 20^th Livestock Census.
• Advance technology has been adopted to collect data through tablet computers.

Additional Information

• The first livestock census was conducted in 1951.
• West Bengal has the highest population of livestock in India.
• The total population of Goat is 64.6 million.
• The total population of livestock in India is 535.8 million.

The correct answer is Vitamin C.

Important Points

• Scurvy is a nutritional disorder of humankind.
  • Scurvy is caused by the deficiency of Vitamin C
  • Ascorbic acid is the chemical name of vitamin C.
  • Vitamin C is the first artificially synthesized vitamin.
  • Vitamin C is essential for the healing of wounds, repair, and maintenance of cartilage, bone, and teeth.
  • Vitamin C deteriorated through cooking and canning of food.

Additional Information 

• Xerophthalmia and night blindness are the deficiency diseases of Vitamin A.
• Rickets is the deficiency diseases of Vitamin D.
• Hemorrhage is the deficiency diseases of Vitamin K.

The correct answer is A Central processing unit.

Key Points

• Central Processing Unit(CPU)
  • A CPU is also called a central processor, main processor, or just processor, is the electronic circuitry that executing instructions comprising a computer program.
  • The CPU performs basic arithmetic, logic, controlling, and input/output operations specified by the instructions in the program.
  • The fundamental operation of most CPU's regardless of the physical form they take is to execute a sequence of stored instructions called a program. 
• Instructions cycle in CPU
  • All CPU's follows the following steps in order to complete their operations:
    1. Fetch: The first step, involves retrieving instructions from the program memory.
    2. Decode: The instruction that the CPU fetches from the memory determines what the CPU will do, which is decoded by the instructor decoder.
    3. Execute: In this step, all the desired functions are performed as per the instructions decoded.
• Intel Core
  • ​Intel core are streamlined computers CPU marketed by Intel Corporation.
  • Brand Names: Core, Core 2, Core i3, Core i5, Core i7, Core i9
  • Launched: January 2006
  • Founders: Gordon Moore Robert Noyce
  • Headquarters: Santa Clara, California, USA

Additional Information

The pattern followed here is:

This is an alternate series of subtraction. The first number is subtracted by 2 to get the second number and then 4 is subtracted from the second number to get the third number and so on.

Hence, 42 is the correct answer.

The correct answer is Ctrl + Z.

• Ctrl + Z is the shortcut key for undoing a task.

Key Points

• Undo is a function performed to reverse the action of earlier action.
• Any actions that were previously undone using the Undo function are restored using the Redo function.
• For example, if you entered a word and then used the undo function to remove it, the redo function would restore the erased word.

Additional Information