Punjab Police Head Constable Paper 2 Mock Test - 10 - Punjab Police Constable MCQ

Given:

Mohit got 30% marks and failed by 25 marks

Another student scored 38% and

He got 15 more marks than passing marks

Calculation:

According to the question

⇒ 30% + 25 = 38% – 15

⇒ (38% – 30%) = (15 + 25)

⇒ 8% = 40

⇒ 1% = 5 marks

Now,

5% = 25 marks 

Then,

The necessary pass percentage required = (30% + 5%)

⇒ 35%

∴ Required pass percentage is 35%

By using the symbols in the table given below, we can draw the following family tree:

Clearly, C is the grandchild of A.

Hence, ‘Grandchild’ is the correct answer.

From the common explanation, we get the position of O is 3rd to the left of M.

Hence, Option B is correct.

Final Arrangement:

Common Explanation:

References:

J sits fourth to the right of O and N sits second to the left of J.

Only H sits between J and G.

Inferences:

From the above references, we get

References:

Only D sits between G and C

G is not an immediate neighbour of J but fifth to the right of I.

M, who sits exactly in the middle, is second to the right of I.

Five persons sit between L and J.

Inferences:

From the above references, we get

References:

E is not an immediate neighbour of N.

Inferences:

From the above reference, we get the final arrangement:

The logic followed is:

All the other options except option (3), the the number given are prime number whereas option 3 is a perfect cube. 

Option 1: 47

It is a prime number.

Option 2: 17

It is a prime number.

Option 3: 27

It is a perfect cube of 3.

Option 4: 37

It is a prime number..

Hence, the correct answer is "Option 3".

Following the common explanation, we get “7 seats are there to the left of C”.
Hence, option D is correct.
Final Arrangement:

Common Explanation:
References:
1. Two people are sitting between A and Z.
2. C sits fourth to the right of Z.
3. The number of people sitting to the right of A is the same as the number of people sitting to the left of Z.
4. The number of people sitting between A and C is the same as the number of people sitting between X and C.
5. X is an immediate neighbour of D, who sits on one of the ends.
6. The number of people sitting between D and C is the same as the number of people sitting between C and Y.
7. At most 25 people are sitting in a row.
Inferences:
From reference 1, we get two possible cases.
From reference 7, case2 was eliminated.
Hence, Case 1 is the final arrangement.

In the figure the simplest Triangles are GLK, DLJ, DJM,HMN,QRE,IRA,IPA, and FPO is the 8 triangle

and another is BDO,CDQ,DLM, PRA, KFI, NEI, HJI, GJI,DKI, and DNI is the 10 triangle

and another is DIE, DFI, DOA, DQA, and GHI is the 5 triangle

and DCA, DBA is the 2 triangle and DEF and ABC so that according to the figure the total no. of triangle is
8 + 10 + 5 + 2 + 1 + 1
= 27

As Numismatist collects coins similarly Philatelist collects stamps.

The Venn diagram that best represents the relationship between Crockery, Plate, and Bowl is shown below:

Bowl and Plate are name of Crockery items.

Hence, ‘option 3’ is the correct answer.

The family chart is as follows:

i) A is father of C and D is son of B.

ii) E is brother of A.

iii) If C is sister of D

Drawing the family tree as per the given information:

Thus we can see B is the wife of A.

E is the brother of A.

Thus we can conclude B is the sister-in-law of E.

Hence, the correct answer is "Sister-in-law".

A bug is an error or fault in a computer program that causes it to produce an incorrect or unexpected result, or to behave in unintended ways.

Virus: A virus is usually harmful and it can corrupt data, overwrite files, or use up system resources.

Bit (Binary digit): It is a digit within the binary number system. A bit is the smallest unit of the information held on a computer.

Spam: These are unsolicited e-mail advertisements, which is the internet equivalent of junk mail.

​The correct answer is Charles Babbage.

Key Points

• Charles Babbage is considered the father of computers.
• Charles Babbage invented the machine called the Analytical Engine, which is a model of today's computers. Since he was the first person who gave us the basic idea of computers, he is known as the 'father of computers.
• In 1837 the Analytical Engine contained an ALU (arithmetic logic unit), basic flow control, and integrated memory, hailed as the first general-purpose computer concept.
• Because of funding issues, this computer was not built while Charles Babbage was alive. However, in 1910 Henry Babbage, Charles Babbage's youngest son was able to complete a portion of the machine that could perform basic calculations.
• Although Babbage never completed his invention in his lifetime, his radical ideas and concepts of the computer are what make him the father of computing.

Additional Information

The correct answer is Email clients

Key Points

• Email Clients: These are examples of application software.
• They are programs that are used to read and send emails from your computer or mobile device.
• Examples include Microsoft Outlook, Apple Mail, or Gmail.
• They provide an interface for users to manage their online correspondence.

Additional Information

1. Device Driver: This is system software, not application software. Drivers are special types of software that allow specific hardware or peripherals (like a printer, keyboard, or mouse) to communicate with the system's operating system. They essentially translate commands so that the hardware understands what the system is asking it to do.
2. BIOS (Basic Input Output System): This is also system software. The BIOS is a low-level software embedded on a chip inside a computer and is the first software that runs when you turn on your computer. It initializes and tests all the system hardware, and then loads the operating system. It's fundamental for the basic operations of the computer.
3. Boot Program: This is part of system software as well. It's the initial set of operations that a computer system performs when power is switched on. The boot program loads the operating system into the computer's main memory or random access memory (RAM).

Application software refers to programs that help to accomplish tasks or operations that the user wants to execute, like email clients for sending and receiving emails.

In contrast, system software coordinates and controls the operations of the hardware and allows other software to run on the system. Device drivers, BIOS, and boot programs fall into this category.

The correct answer is ALU.

• The part of the CPU that performs logical operations is called ALU.

​Important Points

• There are 2 parts of the CPU:
  • Arithmetic and logic unit (ALU)
  • Control Unit

Key Points

• The arithmetic and logic unit (ALU)
  • The arithmetic and logic unit (ALU) is where the CPU performs the arithmetic and logic operations.
  • Examples of arithmetic operations are addition, subtraction, multiplication, and division.
  • Examples of logic operations are comparisons of values such as NOT, AND, and OR.
  • The Control Unit carries out instructions.

Additional Information

• The central processing unit (CPU)
  • The computer's central processing unit (CPU) is the device of a computer that retrieves and executes instructions. 
  • The major types of CPU are classified such as:
    • Single-core processor
    • Dual-core processor
    • Quad-core processor
    • Hexa core processor

The correct answer is "1991".

Key Points

• Linux: Linux is a good example of an open-source operating system invented by Linus Torvalds in the year 1991.
• Like any other kind of operating system, Linux also builds communication between the hardware and the software.
• It comes with both Graphical User Interface and Command Line Interface. It is a very secure operating system.
• So that malware and viruses cannot attack the operating system. It is very flexible and can be installed in desktop applications as well as server applications.
• It is also multiprogramming and multitasking like other kinds of operating systems and as well as it supports multi-user.

Thus the correct answer is 1991.

Additional Information

• MS-DOS: The full form of MS-DOS is Microsoft Disk Operating System. It was developed by Microsoft in the year 1980. The MS-DOS operating system uses  ​a command-based interface to interact with the users. It is referred to as a single-tasking operating system. The main job of the MS-DOS is to help the user to navigate open and modify files on their own computer system.
• Windows: Microsoft first introduced its first GUI (Graphical User Interface) based operating system, named Microsoft Windows in the year 1983. Microsoft Windows can perform all the tasks just like an operating system does. It can execute multiple instructions at a time. It also made communication between the hardware and software. It is also multiprogramming and multitasking like other kinds of operating systems.

The correct answer is "Joystick".

Key Points

• Plotter: A plotter is referred to as a type of printer. It is an output device. The main job of the plotter is to convert the user commands from a computer into line drawings on paper. It has one or more automated pens which help to draw the lines on the paper. 
• Speaker: The speaker is an output peripheral of the computer. If the user plays some audio or video files on the system, the sound comes out from the speaker.
  
• Projector: The projector is an output device. The projector is used for projecting images or video on the screen.
  
• Joystick: The joystick is referred to as an input peripheral. The joystick is mainly used for playing games in the computing system.
  

Thus the correct answer is "Joystick".

Additional Information

• The word computer is derived from the word compute. In the year 1833, English mechanical engineer Charles Babbage designed the first analytical engine. He is known as the father of the computer.
• In the beginning, computers are used for calculating large numbers and can only store a small amount of data.
• The software and the hardware parts of the computers are running together to execute the operations smoothly.
• Software is a set of instructions or programs given to the computers' hardware to perform a task. For example, system software (OS), application software( MS Office, Browser), and programming software(compiler).
• The hardware parts of the computer are tangible parts of the computer which collect the input (e.g. keyboard, mouse, scanner etc.), and process (e.g. C.P.U). It and display it to the respective output devices(e.g. monitor, printer etc.). Sometimes it stores the processed data in the memory.

The correct answer is VSTACK.

Key Points

• MS Excel allows you to combine two or more ranges of cells or arrays in two ways i.e., vertically or horizontally.
• VSTACK is a function that combines two or more arrays vertically. Hence option 2 is correct.
  • Its syntax is VSTACK(array1, [array2],...).

Additional Information

• HSTACK is another function that works similarly to the VSTACK function, but the former function combines the range of the cells horizontally.
  • Its syntax is HSTACK(array1, [array2],..).
• Excel provides SORT() function to arrange the values according to the given requirements.

To select all the boxes of an organization chart, you can follow any of the following methods:
Method A: Click Edit, Select All
- Click on the "Edit" option in the menu bar.
- Select the "Select All" option from the drop-down menu.
- This will select all the boxes in the organization chart.
Method B: Right-click the Chart Background, Click Select All
- Right-click on the background of the organization chart.
- From the context menu that appears, select the "Select All" option.
- This will select all the boxes in the organization chart.
Method C: Press and Hold the Shift Key and Click Each Box
- Press and hold the Shift key on your keyboard.
- Click on each box in the organization chart while still holding the Shift key.
- This will select each box one by one.
Method D: All of These
- All of the above methods (A, B, and C) can be used to select all the boxes in an organization chart.
Note: The specific method to select all the boxes in an organization chart may vary depending on the software or tool you are using to create the chart. The methods mentioned above are general approaches that are commonly used in various chart-making applications.

Print Chart:

• A: Refers to a printed chart.


• B: Indicates a chart that is filled in by an analyst while formatting a report.


• C: Describes a chart that is prepared by users.


• D: States that the chart is printed by a computer.

The correct answer is B, as it specifically mentions that the chart is filled in by an analyst while formatting a report. Let's further explain each option:
A: A printed chart: This option refers to a chart that has been physically printed, but it does not specify who prepares or fills in the chart.
B: One which is filled in by an analyst while formatting a report: This option explicitly states that the chart is filled in by an analyst during the process of formatting a report. This suggests that the chart is part of the report and is completed by an analyst with the necessary data.
C: Prepared by users: This option indicates that the chart is prepared by users, but it does not mention who these users are or how the chart is used in the context of a report or formatting.
D: Printed by computer: This option suggests that the chart is printed by a computer, but it does not provide any information about who creates or fills in the chart.
In conclusion, the correct option is B as it clearly specifies that the chart is filled in by an analyst while formatting a report.

After moving a clip art image to a particular location on the slide, you can immediately reverse the action using the following steps:
Step 1: Identify the options available to reverse the action.
There are several options available to reverse the action of moving a clip art image on a slide:
- Click the "Undo" button
- Click the "Redo" button
- Use the "Not do move object" command on the "Edit" menu
Step 2: Determine the correct option to reverse the action.
In this case, the correct option is to click on the "Undo" button.
Step 3: Execute the correct option to reverse the action.
To reverse the action of moving a clip art image to a particular location on the slide, follow these steps:
1. Locate the "Undo" button, which is typically represented by a curved arrow pointing to the left.
2. Click on the "Undo" button.
Step 4: Verify that the action has been successfully reversed.
After clicking on the "Undo" button, the clip art image should be moved back to its previous location on the slide.
Conclusion:
By following the above steps and clicking on the "Undo" button, you can immediately reverse the action of moving a clip art image to a particular location on the slide.

Cryptography technique is used in Protection
Cryptography is a technique used to secure and protect sensitive information by converting it into an unreadable format. It involves the use of mathematical algorithms to encrypt and decrypt data. Here's how cryptography is used in protection:
1. Data Encryption: Cryptography is used to encrypt data, making it unreadable to unauthorized individuals. The encrypted data can only be decrypted using the correct encryption key or password.
2. Secure Communication: Cryptography is used to secure communication channels by encrypting the data transmitted between two parties. This ensures that the information remains confidential and cannot be intercepted or tampered with.
3. Authentication: Cryptography is used in authentication processes to verify the identity of individuals or systems. It allows for the creation of digital signatures, which can be used to ensure the integrity and authenticity of messages or documents.
4. Secure Storage: Cryptography is used to protect data stored in various systems or devices. It ensures that even if the data is compromised or stolen, it remains encrypted and unusable without the encryption key.
5. Access Control: Cryptography is used in access control mechanisms to protect sensitive information from unauthorized access. It allows for the secure storage and transmission of passwords and other authentication credentials.
In conclusion, cryptography plays a crucial role in protecting sensitive information and ensuring the confidentiality, integrity, and authenticity of data. It is used in various applications such as secure communication, data encryption, authentication, secure storage, and access control.

The Correct answer is High Definition Multimedia Interface

Key Points 

• HDMI stands for High Definition Multimedia Interface.
• It carries both video and audio signals; you don't need separate audio cables.
• It allows you to turn your TV into a computer monitor as the latest computers and laptops come with an HDMI connection.

Additional Information 

• Display Port (DP) is a digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA).
• There are two main types of cables: analog and digital.
• Analog cables work by sending information via a stream of electricity (an electrical signal) from one point to another.
• Digital cables send information via a binary code stream (1s and 0s) from one point to another.

The correct answer is Either (a) or (b).

• To protect the folder such that no one else except you accesses it, we can hide it or assign a password to it.
• A password is a set of secret characters or words used to authenticate access to a digital system.
• Passwords help ensure that computers or data can only be accessed by those who were granted the right to view or access them.

Additional Information

• A folder, also called a directory, is a space used to store files, other folders, and shortcuts on a computer.
• Folders help you keep your files organized and separate.
• A folder can contain one or more files of any type and can even store other folders. They may also contain shortcuts to programs.
• A folder is an area on the computer that contains other folders and files and helps keep the computer organized.
• A folder does not have an extension like a file.

Engender is to cause or create.

One word substitution is Agenda.

Schedule: A plan for carrying out a process or procedure, giving lists of intended events and times.

Timetable: A chart showing the departure and arrival times of trains, buses, or aircraft.a chart showing the departure and arrival times of trains, buses, or aircraft.

Agenda: A list of items to be discussed at a formal meeting.

Plan: A detailed proposal for doing or achieving something.

One word substitution is Stickler.

Disciplinarian: A person who believes in or practises firm discipline.

Stickler: A person who insists on a certain quality or type of behaviour.

Instantaneous: Occurring or done instantly.

Boaster: A very boastful and talkative person.

Entomologist: A zoologist ( person ) who studies insects
Psephologist: A person (sociologist) who studies election trends
Demagogue: A political leader who tries to win support by using Arguments based on emotion rather than reason
Eugenicist: A person who studies methods of improving the quality of the human race especially by selective breeding

Straw in the wind: something believed to be a sign or warning of a future event.
Shot in the arm: something that has a sudden and positive effect on something, providing encouragement and new activity.
Stroke of luck: a fortunate occurrence that could not have been predicted or expected.
Plain sailing: smooth and easy progress in a process or activity.
Hence, the correct answer is option A. 

veteran: A Person with a long experience of any Occupation.
genius: A person who a unusually intelligent or who has a very high level of skill.
Seasoned: A person having a lot of experience of a particular activities .
ambidextrous: A person who can use both hands equally well.