Computer Awareness for Upcoming Exams Set 74

Computer Questions for NIACL Assistant/AO, NICL AO, Dena Bank PO PGDBF, BoB PO, IBPS PO, Bank of India, IBPS Clerk, BOI, and other competitive exams

1. Which of the following file name extension suggests that the file is Backup copy of another file?
   A) TXT
   B) COM
   C) BAS
   D) BAK
   E) none of these
   
   View Answer

    Option D
   Explanation:
   “.BAK” is a file name extension used to signify a backup copy of a file. This common ‘.bak’ naming scheme makes it possible to retrieve the original contents of the file.
2. The processor is a chip plugged onto the motherboard in a computer system.
   A) LSI
   B) VLSI
   C) ULSI
   D) XLSI
   E) WLSI
   
   View Answer

    Option D
   Explanation:
   The processor is a XLSI chip plugged onto the motherboard in a computer system.
3. Android is a mobile operating system designed primarily for touchscreen mobile devices such as smartphones and tablets.  Which among the following was the first Android Operating System?
   A) Cupcake
   B) Alpha
   C) Gingerbread
   D) Doughnut
   E) Eclair
   
   View Answer

    Option B
   Explanation:
   Alpha was android version 1.0 released on 23rd September 2008. Android is continually developed by Google and the Open Handset Alliance (OHA), and has seen a number of updates to its base operating system since the initial release.
4. What are dedicated servers?
   A) A workstation that can double up as server
   B) A machine sharing information only
   C) A computer reserved for special task
   D) All of these
   E) None of these
   
   View Answer

    Option C                
   Explanation:
   A dedicated server is a computer running a server operating system housed in a data center. Clients pay a monthly fee for exclusive use of that server and the infrastructure, bandwidth, power system and support that come with.
5. Microsoft PowerPoint is a slide show presentation program for use on both Microsoft and Apple Macintosh operating systems. In MS PowerPoint Broadcast is a feature available in which tab?
   A) file
   B) view
   C) slide show
   D) transitions
   E) review
   
   View Answer

    Option C
   Explanation:
   Broadcast slideshow is a feature available under Slide Show Tab in PowerPoint.
6. Which of the following error occurs when software tries to access protected memory?
   A) Segmentation Fault
   B) Display time Error
   C) IO Error
   D) Runtime Error
   E) Zero Division Error
   
   View Answer

    Option A Explanation:
   A segmentation fault is a common condition that causes programs to crash; they are often associated with a file named core. They are caused by a program trying to read or write an illegal memory location. In other words, this is a memory access violation error.
7. In Computer programming API is set of subroutine definitions, protocols, and tools for building software and applications. Which among the following is an application programming interface for the programming language Java, which defines how a client may access a database?
   A) J2EE
   B) JDK
   C) JAVA SE
   D) JDBC
   E) JSX
   
   View Answer

    Option B
   Explanation:
   Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. It is part of the Java Standard Edition platform, from Oracle Corporation.
8. A router is a networking device that forwards data packets and is connected to two or more data lines from different networks. Which among the following was the earliest device which had almost the same functionality as that of a router?
   A) Interface Delay Device
   B) Interface Traffic Manager
   C) Interface Routing Processor
   D) Interface Message Processor
   E) Interface Data Manager
   
   View Answer

    Option D
   Explanation:
   The very first device that had fundamentally the same functionality as a router does today was the Interface Message Processor (IMP); IMPs were the devices that made up the ARPANET, the first TCP/IP network.
9. Diagrammatic or symbolic representation of an algorithm is called _______.
   A) Data-Flow diagram
   B) E-R diagram
   C) Flowchart
   D) Software
   E) None of these
   
   View Answer

    Option C
   Explanation:
   A flowchart is a type of diagram that represents an algorithm, workflow or process, showing the steps as boxes of various kinds, and their order by connecting them with arrows. This diagrammatic representation illustrates a solution model to a given problem.
10. Which Logic circuit would you use for addressing memory?
    A) Full adder
    B) Multiplexer
    C) Decoder
    D) Direct memory access circuit
    E) None of these
    
    View Answer

     Option C
    Explanation:
    In digital electronics, an address decoder is a binary decoder circuit that has two or more bits of an address bus as inputs and that has one or more device selection lines as outputs.

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