Haryana Constable Exam 01.11.2021 (Morning Shift-II)

Total Questions: 100

81. The number of significant figures in 11.118 x 10-6 is

Correct Answer: (3) 5
Solution:

82. The standard protocol used for sending email is called

Correct Answer: (2) SMTP
Solution:The Simple Mail Transfer Protocol (SMTP) is used for sending and receiving email between email clients and servers.

83. When money supply exceeds available goods and services, it leads to

Correct Answer: (4) Deflation
Solution:Deflation occurs when too many goods are available or when there is not enough money circulating to purchase those goods.
  • As a result, the price of goods and services drops.

84. Who improved the theory of Copernicus?

Correct Answer: (1) John Kepler
Solution:German astronomer Johannes Kepler (1571-1630).
  • He is most famous for his improvement to the earlier model of Copernicus by introducing the idea that the planets move in elliptical, rather than circular, orbits and that their movements in these orbits are governed by a set of laws, which became known as Kepler's laws of planetary motion.

85. The H.C.F. of (x3 + x² + x + 1) and (x 4 - 1) is

Correct Answer: (3) (x + 1)(x² + 1)
Solution:

86. _____is an electromechanical device that allows the user to feed information into the computer for analysis, storage and to give commands to the computer.

Correct Answer: (3) Input device
Solution:An input device is an electromechanical device that allows the user to feed information into the computer for analysis, storage, and to give commands to the computer. Data and instructions are entered into the computer's memory through an input device.
  • It captures information and translates it into a form that can be processed and used by the other parts of the computer. Some examples of input devices are keyboard, mouse, trackball, joystick, scanner, etc.

87. Select the correct combination of opposite faces, when the given figure is folded to form a cube.

Correct Answer: (2) 5, 3
Solution:Combination of opposite faces (6,2), (5, 3), (1, 4)

88. Which of the following States has launcned 'Vatan Prem Yojana'

Correct Answer: (3) Gujarat
Solution:Vatanprem Yohana is a repackaged version of Madare Vatan scheme by the state government of Gujarat. Madare Vatan has been renamed due to association of the title with Persian language.
  • Under the scheme, Non Resident Gujaratis (NRGs) and NRIs can contribute 60 percent of the cost of a village level project. Remaining 40 percent amount will be borne by the state government.

89. The primary memory is also called the

Correct Answer: (3) Main memory
Solution:Primary storage (also known as main memory) is the component of the computer that holds data, programs and instructions that are currently in use.
  • Primary storage is located on the motherboard. As a result, data can be read from and written to primary storage.

90. If the radius of the base of a cone is halved, keeping the height same, what is the ratio of the volume of the reduced cone to that of the original cone?

Correct Answer: (2) 2 : 4
Solution:Let base radius of cone = r Height = h

Volume of original cone