Haryana Constable Exam, (19-09-2021), (Shift-II)

71. A ____ is an entire database list of information.

(1) Fields
(2) Form
(3) Table
(4) Records

Correct Answer: (3) Table

Solution:A table is a collection of related data held in a table format within a database.

It consists of columns and rows.

72. An accurate clock shows 8 O’clock in the morning. Through how many degrees will the hour hand rotate when the clock shows 2 O’clock in the afternoon?

(1) 180°
(2) 144°
(3) 168°
(4) 150°

Correct Answer: (1) 180°

Solution:Time difference = 6 hours
Angle traced by the hour hand:

73. The Agricultural Ministry of India recently has signed a Memorandum of Understanding (MoU) with which of the following tech. giants for a pilot project in 100 villages of six states to promote digital agriculture?

(1) Google
(2) Microsoft
(3) Facebook
(4) None of the above

Correct Answer: (2) Microsoft

Solution:Ministry of Agriculture & Farmers Welfare inked a Memorandum of Understanding (MoU) for a pilot project in 100 villages of 6 states.

Microsoft has come forward to start a pilot project in selected 100 villages in 10 districts of 6 states (Uttar Pradesh, Madhya Pradesh, Gujarat, Haryana, Rajasthan, and Andhra Pradesh).

74. A complete operating system that works on a desktop computer, notebook computer or a mobile computing device is called ____ operating system.

(1) Real time
(2) Server
(3) Stand-alone
(4) Mobile

Correct Answer: (3) Stand-alone

Solution:An operating system is the most important software that runs on a computer.

A complete operating system that works on a desktop computer, notebook computer, or mobile computing device is a standalone operating system.

75. Study the following arrangement of digits, letters and symbols and answer the question given below.

F 1 4 K B 5 9 # D R 2 * M G %

H V T 3 8 * 1 J A

If all the symbols are dropped from the above arrangement, which of the following will be the third to the left of the seventh letter/number from the right?

(1) M
(2) G
(3) D
(4) R

Correct Answer: (1) M

Solution:According to the question, the new sequence would be:
F14KB59DR27MGHVT381JA

Third to the left of the seventh from the right end means the tenth from the right end.
10th from the right end = M

76. To locate a web page using a browser, you need to type its ____ in the browser’s address or location bar.

(1) Name
(2) URL
(3) Address
(4) Domain

Correct Answer: (2) URL

Solution:Each website on the internet is reached by a web address known as a URL (Uniform Resource Locator) that references a specific location on the internet.

Type a URL into the address bar of a browser, then press the Enter (Return) key on the keyboard to make the browser load the webpage associated with the URL.

77. The decomposition of vegetable matter into compost is an example for

(1) Replacement reaction
(2) Redox reaction
(3) Endothermic reaction
(4) Exothermic reaction

Correct Answer: (4) Exothermic reaction

Solution:Exothermic reactions refer to the reactions in which energy is released, either in heat or light.

The decomposition of vegetable matter into compost is considered an exothermic reaction because this decomposition process, which is carried out by microbes, requires energy to break down the bonds of vegetables. As a result, energy is released in the form of light.

78. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is

(1) 8/15
(2) 1/4
(3) 1/10
(4) 7/15

Correct Answer: (1) 8/15

Solution:(A + B)'s 4 days work

79. Three positions of a die are given below.

Which number is opposite to 5?

(1) 4
(2) 2
(3) 3
(4) 1

Correct Answer: (4) 1

Solution:The numbers 2, 3, 4, and 6 are on the faces adjacent to the number 5. Therefore, the number 1 is opposite to the number 5.

80. The ____ is a special dialog box consisting of all the fields in table.

(1) Records
(2) Data form
(3) Fields
(4) Tables

Correct Answer: (2) Data form

Solution:The Data Form is a special dialog box consisting of all the fields in a table.