Computer Knowledge Quiz for NABARD Grade-A Exam: 24th April 2018

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S1. Ans.(d)
Sol. Open Database Connectivity (ODBC) is an open standard application programming interface (API) for accessing a database. 

Q2. Which among the following are valid filters available in MS Access?
(a) Filter by form
(b) Filter by selection
(c) Common Filter
(d) Advanced filter
(e) All of the above

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S2. Ans.(e)
Sol. Common filters: To filter for specific values or a range of values.

Filter by Selection: To filter all the rows in a table that contains a value that matches a selected value in a row by filtering the datasheet view.

Filter by form: To filter on several fields in a form or datasheet, or if you are trying to find a specific record.

Advanced filter: To filter type where you define custom filter criteria.

Q3. Who invented the machine to add numbers quickly and accurately?  
(a) Joseph Marie Jacquard
(b) Gottfried Wilhelm von Leibniz
(c) Blaise Pascal
(d) Herman Hollerith
(e) Both (a) and (b) 

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S3. Ans.(c)
Sol. Blaise Pascal developed a machine that was used to perform additions quickly and accurately. This machine was called the adding machine or Pascaline.

Q4. Which output device transfers processed information into a printed page?   
(a) Scanner
(b) Printer
(c) Monitor
(d) CD-ROM
(e) Digital Camera 

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S4. Ans.(b)
Sol. Printers transfers processed information into printed page. Different types of printer are Ink Jet, Laser, drum etc. 

Q5. Which of the following units performs the arithmetic tasks (such as addition, subtraction, multiplication and division) and logical operations?  
(a) Input unit
(b) Control unit
(c) Arithmetic Logic Unit (ALU)
(d) Storage unit
(e) Memory Unit 

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S5. Ans.(c)
Sol. Arithmetic Logic Unit (ALU) performs arithmetic and logical operations. On the other hand, control unit extracts instructions from the computer memory, decodes and executes instructions, and takes help of the ALU if required. Storage unit or memory unit is used to store the data, while the input is used to enter data into the computer.

Q6. From which version Microsoft introduced Backstage View for Access Interface?
(a) Access 2003
(b) Access 2007
(c) Access 2010
(d) Access 2000
(e) Access does not have Backstage View

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S6. Ans.(b)
Sol. In Microsoft Office applications (Word, Excel, PowerPoint, Outlook, Access), versions 2007 and later there is an option for the backstage view that allows you to manipulate aspects of a file.

Q7. What is the maximum font size you can apply for any character?
(a) 163
(b) 1638
(c) 16038
(d) 160
(e) None of above

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S7. Ans.(b)
Sol.1638 is the max font size that can be applied for any character.

Q8. If you change Windows 98 to Windows XP, which action will you be performing?
(a) Revise
(b) Upgrade
(c) Update
(d) Patch
(e) None of these

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S8. Ans. (b)
Sol. It will be called upgrade.

Q9. Which among the following is Microsoft’s core set of application programming interfaces (APIs) available in the Microsoft Windows operating systems?
(a) Kernel
(b) WinAPI
(c) Windows ME
(d) DOS
(e) None of these

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S9. Ans. (b)
Sol. The Windows API, informally WinAPI, is Microsoft’s core set of application programming interfaces (APIs) available in the Microsoft Windows operating systems. The name Windows API collectively refers to several different platform mplementations that are often referred to by their own names (for example, Win32 API). The Windows API (Win32) is focused mainly on the programming language C in that its exposed functions and data structures are described in that language in recent versions of its documentation. 

Q10. Which of the following is not aggregate function?
(a) MIN
(b) MAX
(c) AVG
(d) COUNT
(e) None of these 

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S10. Ans. (e)
Sol. All of these are aggregate functions.  

Q11. For each attribute of a relation, there is a set of permitted values, called the __________ of that attribute.
(a) Domain
(b) Relation
(c) Set
(d) Schema
(e) None of these

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S11. Ans. (a)
Sol. Set of permitted values is called the domain of that attribute.
 (Relation is a table. Attributes describe the instances in the row of a database.)

Q12. The __________ operation performs a set union of two ‘similarly structured’ tables.
(a) Union
(b) Join
(c) Product
(d) Intersect
(e) None of these

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S12. Ans. (a)
Sol. Union operation performs a set union of two ‘similarly structured’ tables.

Q13. __________ is usually recorded and played, displayed, or accessed by information content processing devices, which as computerized and electronic devices, but can also be part of live performance. 
(a) Virus
(b) BIOS software
(c) Multimedia
(d) C++
(e) None of these 

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S13. Ans. (c)
Sol. Multimedia is the field concerned with the computer-controlled integration of text, graphics, drawings, still and moving images (Video), animation, audio, and any other media where every type of information can be represented, stored, transmitted and processed digitally.

Q14. The software that is used to create text based documents is referred as :
(a) DBMS
(b) Suits
(c) Spreadsheets
(d) Presentation software
(e) Word processor 

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S14. Ans. (e)
Sol. Word processors are used to create text based documents.

Q15. ______ is a superset of keywords, symbols and a system of rules for constructing statements by which human can communicate the instructions to be executed by a computer. 
(a) A computer program
(b) A programming language
(c) An assemble
(d) Computer I/O Device
(e) None of these   

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S15. Ans. (b)
Sol. A programming language is a formal computer language or constructed language designed to communicate instructions to a machine, particularly a computer. Programming languages can be used to create programs to control the behaviour of a machine or to express algorithms.