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Haryana Police Exam (07.08.2021) Shift II

📆 April 11, 2025

Total Questions: 100

61. Which printer is a type of Impact printer?

Correct Answer: (4) Dot Matrix Printer
Solution:A dot matrix printer is an impact printer that prints us-ing a fixed number of pins or wires. Typically the pins or wires are arranged in one or several vertical columns.
  • The pins strike an inkcoated ribbon and force contact between the ribbon and the paper, so that each pin makes a small dot on the paper.

62. Word Processing, Spreadsheet and Photo Editing are examples of

Correct Answer: (1) Application software
Solution:Retail workers generally use Point of sale (POS) terminals to process sales transactions.
  • Point of sale (POS), a critical plece of a point of purchase, refers to the place where a customer executes the payment for goods or services and where sales taxes may become payable.
  • It can be in a physical store, where POS terminals and systems are used to process card payments or a virtual sales point such as a computer or mobile electronic device.

63. Retail workers generally use terminals to process sales transactions

Correct Answer: (4) Point of Sale
Solution:Word processing, spreadsheet, and photoediting are examples of Application software.
  • A software suite is a group of software applications with related functionality.

64. Inheritance is a property of the object which passes its characteristics to its________ .

Correct Answer: (1) sub classes
Solution:An important concept in objectoriented programming Is inheritance. It provides a way for objects to define relationships with each other. As the name suggests. an object is able to inherit character is batics from another object.
  • In the relationship between two objects, a subclass is the name given to the class that is inheriting from the super class.

65. Which of the following is a serial port which provides direct connection to the network?

Correct Answer: (2) NIC
Solution:A serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time.
  • The network interface card (NIC) or network card is the serial port most essential to establishing communication between computers.
  • It is responsible for preparing the data to be sent over the network medium.

66. Which one of the following saves non contiguous clusters on a hard disk?

Correct Answer: (4) Fragmented File
Solution:File fragmentation is a term that describes a group of files that are scattered throughout a hard drive platter instead of one continuous location,
  • Fragmentation is caused when information is deleted from a hard drive and small gaps are left behind to be filled by new data.

67. A program that converts high level language into machine language?

Correct Answer: (3) Compiler
Solution:A Compiler is a computer program that translates code written in a high level language to a lower level language. object/machine code.
  • The most common reason for translating source code is to create an executable program (converting from a high level language into machine language).

68. How many operating systems can work on one computer at the same time?

Correct Answer: (1) only one
Solution:An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs.
  • Multi-tasking allows several programs to be active at the same time, although at an instant in time the CPU is doing only one instruction for one of the active programs. The Operating System manages which instructions to send to the CPU.

69. Image can be sent over telephone lines using.

Correct Answer: (2) Fax
Solution:Fax, in full facsimile is used in the transmission and reproduction of documents by wire or radio wave.
  • Common fax machines are designed to scan printed textual and graphic material and then transmit the information through the telephone net-work to similar machines. where facsimiles are reproduced close to the form of the original documents.

70. Which of the following is a scientific Computer language?

Correct Answer: (3) Fortran
Solution:Fortran is a computer programming language that is extensively used in numerical, scientific computing.
  • Fortran was originally named after the contraction of Formula Translation, highlighting Fortran's origins as a language designed specifically for mathematical calculations.
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