Computer Awareness for Upcoming Exams Set 64

Computer Awareness Questions BoB PGDBF, IBPS PO, NICL, NIACL Assistant, Bank of India, Dena Bank PO PGDBF, BOI, and other competitive exams

1. How many margins are there on a page?
   A) Two (header and footer)
   B) Four (top, bottom, right, left)
   C) Two landscape and portrait
   D) Two (top and bottom)
   E) None of these
   
   View Answer

    Option B
   Explanation:
   A page has 4 margins – Top, bottom, right and left. These margins can be adjusted according to the user’s requirements.
2. Context free grammar is _______.
   A) A compiler
   B) A language generator
   C) A regular expression
   D) All of these
   E) None of these
   
   View Answer

    Option B
   Explanation:
   A context free grammar is a language generator that operates with aset of rules. Context free grammars are a more powerful method of representing languages. Such grammars can describe features that have a recursive structure.
3. Appear at the bottom of the Excel Window___.
   A) Sheet tabs
   B) Name Box
   C) Formula bar
   D) Title bar
   E) None of these
   
   View Answer

    Option A
   Explanation:
   Every Excel file is capable of having multiple worksheets and after opening an Excel file, you will see multiple sheet tabs at the left bottom side.
4. A _____ is a device that not only provides surge protection, but also furnishes your computer with battery backup power with battery backup power during a power outage.
   A) surge tips
   B) USB
   C) UPS
   D) battery strips
   E) None of these
   
   View Answer

    Option C                      
   Explanation:
   UPS (Uninterrupted power supply) is a back-up power supply that in case of power failure or fluctuations allows enough time for an orderly shutdown of the system or for stand by generator to start up.
5. In half duplex mode _______.
   A) All stations can only transmit the data at a time.
   B) All the stations can only receive the data at a time
   C) All the stations in the network may transmit or receive but at different times
   D) All the stations in the network may transmit or receive at the same time
   E) None of these
   
   View Answer

    Option C
   Explanation:
   Half-duplex data transmission means that data can be transmitted in both directions on a signal carrier, but not at the same time.
6. Who among the following is also known as father of JQuery?
   A) Vint cerf
   B) John Resig
   C) Larry Page
   D) Martin Cooper
   E) None of these
   
   View Answer

    Option B
   Explanation:
   John Resig is a staff engineer at Khan Academy and the creator of thejQuery JavaScript library. 
7. In addition to keying data directly into a database, data entry can be done from a(n) ___.
   A) input form
   B) Table
   C) Field
   D) data dictionary
   E) None of these
   
   View Answer

    Option A
   Explanation:
   In addition to keying data directly into a database, data entry can be done from an input form with the help of input device such as keyboard, mouse and touch screen or through speech recognition software.
8. Fence register is used for ___.
   A) CPU protection
   B) Memory protection
   C) File protection
   D) All of the above
   E) None of these
   
   View Answer

    Option B
   Explanation:
   The main goal of fence protection is to prevent a user program from destroying any of the operating system code that is resident is the main memory. In order to achieve protection a hardware register called the fence register.
9. SAP is an identifying label for network endpoints used in Open Systems Interconnection (OSI) networking. what is meaning of ‘SAP’?
   A) Smart Access Point
   B) Service Access Point
   C) Service At Point
   D) Service Access Permission
   E) None of these
   View Answer

    Option B
   Explanation:
   A Service Access Point (SAP) is an identifying label for network endpoints used in Open Systems Interconnection (OSI) networking.
10. Decimal equivalent (1111)2 = ____
    A) 11
    B) 10
    C) 1
    D) 15
    E) 13
    
    View Answer

     Option D
    Explanation:
    1111 binary =  1x 2⁰ + 1 x 2¹ + 1 x 2² + 1 x 2³ (from right to left)
    =1 + 2 + 4 + 8 = 15

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