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50+ JOA IT Most Important Questions | Previous Year Questions | JUNIOR OFFICE ASSISSTANT IT PRACTICE QUESTIONS

The following questions are compiled from previous year question papers of JOA IT and some are important

questions from the field of IT. Reading these will be a great use in your preparations.




1.The primary goal of a computer system is to turn data into 

 

Information


 2.In which generation of computers did multiprogramming start


third generation


3.Which is the smallest of the following computers: laptop, notebook, desktop, workstation

notebook


4.Generally which button of the mouse is used for ok


left


5. Which device can understand difference between data and programs


microprocessor


6.Which of the following is a part of system unit? floppy, disk monitor, CD ROM, CPU

CPU

 

7.An electronic path that connect one part of computer to another is


bus 


8.Which of the following computer languages is appropriate for commercial purpose: Pascal, COBOL, basic, fortran,


COBOL


 9. The smallest unit of Computer memory is called


bit


 10.A compiler translates a program written in a high-level language into


machine language


11. In MS Dos the command that is used to clear the screen is


CIS


 12.when more computers are connected at a place it is called


LAN


 13.The most important or powerful computer in a typical network is


network server


 14. An alternate name for the completely interconnected network topology is


mesh


 15.When you cut or copy information it gets in the


clipboard


 16.Which type of file is created by word processing programs


document file


 17.Which of the following device used set of beads to represent the unit of data : ENIAC, EDVAC, Abacus, MARK-1.


Abacus


 18. Expert system is the characteristic of which generation of computer


5th generation


 19. The flow and timing of data to and from the microprocessor is regulated by


control pins


 20. Which of the following is an example of an input device: monitors, scanner, printer, speaker


scanner


21.Which of the following devices produces the best quality graphics reproduction: laser printer, inkjet printer, plotters, Dot Matrix printer 


Dot Matrix printer


 22. What is the main folder on a storage device called


root directory


 23. Which of the following memories has the shortest access time: RAM, ROM, Cache Memory, Magnetic Core Memory.


Cache memory


 24.which of the following is a binary number: 36, 10, 45, 29


10


25. Floating point representation is used to store


real integers


 26.Software is generally classified into which type of software: application software, utility software, system software, all of these 


all of these


 27.Which of the following is/are called low level languages:  machine language ,assembly language, both a and b, none of these 


both a and b


 28.A translator is best described as: an application software, a system software , Hardware component, none of these 


system software


 29.A proprietary software is owned exclusively by a


single company


 30.What is the name given to the process of initializing a microcomputer with its operating system


booting


 31.The program in the operating system that does process management is called


traffic controller


 32.Which of the following is not the type of real time operating system: hard real time operating system, soft real time operating system, Complex real time operating system, none of these


Complex real time operating system


 33.Which type of commands in MS Dos needs additional files for their execution


external command


 34.In MS Word changing the appearance of a document is called


formatting


   35.Which command is used in MS Excel to calculate the total characters in a Cell


len


 35.Charts in MS Excel R are constructed with


data points


36. Which PowerPoint feature will you use to apply motion effects to different object of a slide


animation scheme


 37.Which of the following is a type of database user: application programmer, database administrator, end user, all of these


all of these


 38.Which of the following is not a type of data model: hierarchical model, network model, relational model, abstract model


abstract model


 39. Microsoft Access is an example of : computer, CPU, device, none of these


none of these


 40. In MS Access text data type may contain maximum character of


255 characters


 45.a central computer surrounded by one or more satellite computers is called


star network


46.A machine that connects two or more electronic mail systems and transfers messages between them is called


mail gateway


 47.In OSI model which of the layers decide the path of data


network layer


48.A website is a collection of: programs, graphics, algorithms, none of these


none of these


 49. Which of the following is not a part of email address: username, domain name, protocol, all of these


protocol


 50.Which of the following is used to write web pages: URL, HTML, http, FTP


HTML


 51.Software program that close potential security breaches in an Operating systems are known as


security patches


52. A virus that can delete antivirus software is called a


retrovirus


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