Railways NTPC (Technical Ability) Micro Processor and Computer Networks Question Bank

done Micro Processor and Computer Networks Total Questions - 50

• question_answer1)
  What is SIM?
  A)
   Select interrupt mask. done clear
  B)
   Sorting interrupt mask. done clear
  C)
   Set interrupt mask.    done clear
  D)
   None of these. done clear
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• question_answer2)
  The ROM programmed during manufacturing process itself is called
  A)
   MROM             done clear
  B)
   PROM done clear
  C)
   EPROM done clear
  D)
   EEPROM done clear
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• question_answer3)
  A microprocessor is ALU
  A)
   Control unit on a single chip. done clear
  B)
   Memory unit on a single chip. done clear
  C)
   Register unit and I/O device on a single chip. done clear
  D)
   Register unit and control unit on a single chip. done clear
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• question_answer4)
  Which one of the following is not correct?
  A)
   Bus is a group of wires done clear
  B)
   Bootstrap is a technique or device for loading first instruction done clear
  C)
   An instruction is a set of bits that defines a computer operation done clear
  D)
   An interrupt signal is required at the start of every program done clear
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• question_answer5)
  ALU (Arithmetic and Logic Unit) of 8085 microprocessor consists of
  A)
   Accumulator, temporary register, arithmetic and logic circuits done clear
  B)
   Accumulator, arithmetic, logic circuits and five flags done clear
  C)
   Accumulator, arithmetic and logic circuits done clear
  D)
   Accumulator, temporary register, arithmetic, logic circuits and five flags. done clear
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• question_answer6)
  The correct sequence of steps in the instruction cycle of a basic computer is
  A)
   Fetch, Execute, Decode and Read effective address. done clear
  B)
   Read effective address. Decode, Fetch and Execute. done clear
  C)
   Fetch, Decode, Read effective address and. Execute. done clear
  D)
   Fetch, Read effective address, Decode and Execute. done clear
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• question_answer7)
  Following is a 16-bit register for 8085 microprocessor
  A)
   Stack pointer                 done clear
  B)
   Accumulator done clear
  C)
   Register             done clear
  D)
   Register C done clear
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• question_answer8)
  The register which holds the information about the nature of results of arithmetic and logic operations is called as
  A)
   Accumulator done clear
  B)
   Condition code register done clear
  C)
   Flag register done clear
  D)
   Process status register done clear
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• question_answer9)
  Ready pin of microprocessor is used
  A)
   To indicate that microprocessor is ready to receive inputs done clear
  B)
   To indicate that microprocessor is ready to receive outputs done clear
  C)
   To introduce wait state done clear
  D)
   To provide direct memory access done clear
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• question_answer10)
  The operations executed by two or more control units are referred as
  A)
   Micro-operations            done clear
  B)
   Macro-operations done clear
  C)
   Multi-operations done clear
  D)
   Bi control-operations. done clear
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• question_answer11)
  The first machine cycle of an instruction is always
  A)
   A memory read cycle     done clear
  B)
   A fetch cycle done clear
  C)
   An I/O read cycle           done clear
  D)
   A memory write cycle done clear
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• question_answer12)
  An 8 ? bit microprocessor signifies that
  A)
   8 ? bit address bus         done clear
  B)
   8 ? bit controller done clear
  C)
   8 ? interrupt lines           done clear
  D)
   8 ? bit data bus Points the memory address of the next instruction to be fetched. done clear
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• question_answer13)
  8085 Microprocessor has how many pins
  A)
   30                                done clear
  B)
   39 done clear
  C)
   40                    done clear
  D)
   41 done clear
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• question_answer14)
  At the beginning of a fetch cycle, the contents of the program counter are
  A)
   Incremented by one. done clear
  B)
   Transferred to address bus. done clear
  C)
   Transferred to memory address register. done clear
  D)
   Transferred to memory data register. done clear
  View Solution play_arrow

• question_answer15)
  The relation among 1C (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is
  A)
   \[IC=FC-EC\]    done clear
  B)
   IC=FC+EC done clear
  C)
   IC=FC+2EC                done clear
  D)
   EC=IC+FC done clear
  View Solution play_arrow

• question_answer16)
  Which is not an item of hardware?
  A)
   An MP3 file done clear
  B)
   A keyboard done clear
  C)
   A monitor                     done clear
  D)
   A mouse done clear
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• question_answer17)
  Which type of device is a computer monitor?
  A)
   Input                done clear
  B)
   Output done clear
  C)
   Processing                     done clear
  D)
   Software done clear
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• question_answer18)
  The ____ indicates how much data a particular storage medium can hold.
  A)
   access              done clear
  B)
   capacity done clear
  C)
   memory                        done clear
  D)
   storage done clear
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• question_answer19)
  The smallest unit of information a computer can understand and process is known as a ____.
  A)
   digit                             done clear
  B)
   kilobyte done clear
  C)
   bit                    done clear
  D)
   byte done clear
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• question_answer20)
  The primary output device for computers is a ____.
  A)
   video monitor    done clear
  B)
   printer done clear
  C)
   keyboard                      done clear
  D)
   mouse done clear
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• question_answer21)
  The first computers were programmed using ____.
  A)
   assembly language         done clear
  B)
   machine language done clear
  C)
   spaghetti code   done clear
  D)
   source code done clear
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• question_answer22)
  A device that provides emergency power to your computer, conditions the voltage, and protects against powers surges is called a ____
  A)
   PSU = Power Supply Unit done clear
  B)
   USP = Universal Surge Protector done clear
  C)
   UPPS = Universal Power Protection and Supply done clear
  D)
   UPS = Uninterruptible Power Supply done clear
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• question_answer23)
  The physical component of a computer system is ____.
  A)
   Software                       done clear
  B)
   Hardware done clear
  C)
   ALU                             done clear
  D)
   Control Unit done clear
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• question_answer24)
  Memory unit is one part of the ____.
  A)
   Control unit                   done clear
  B)
   Central Processing Unit done clear
  C)
   Input device         done clear
  D)
   Output device done clear
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• question_answer25)
  Multiprogramming systems ____.
  A)
   Are easier to develop than single programming systems done clear
  B)
   Execute each job faster done clear
  C)
   Execute more jobs in the same time period done clear
  D)
   Use only one large mainframe computer done clear
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• question_answer26)
  Data that is copied from an application is stored in the____.
  A)
   driver               done clear
  B)
   clipboard done clear
  C)
   terminal                        done clear
  D)
   prompt done clear
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• question_answer27)
  Input, output, and processing devices grouped together represent a(n)
  A)
   mobile device done clear
  B)
   information processing cycle done clear
  C)
   circuit board done clear
  D)
   computer system done clear
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• question_answer28)
  This component is required to process data into information and consists of integrated circuits.
  A)
   Hard disk                      done clear
  B)
   RAM done clear
  C)
   CPU                             done clear
  D)
   ROM done clear
  View Solution play_arrow

• question_answer29)
  A device that connects to a network without the use of cables is said to be                      
  A)
   distributed                     done clear
  B)
   free done clear
  C)
   centralized                     done clear
  D)
   open source done clear
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• question_answer30)
  What is a modem connected to?
  A)
   processor                      done clear
  B)
   motherboard done clear
  C)
   printer              done clear
  D)
   phone line done clear
  View Solution play_arrow

• question_answer31)
  Computers connected to a LAN can
  A)
   run faster done clear
  B)
   go on line done clear
  C)
   share information and/or share peripheral equipment done clear
  D)
   E-mail done clear
  View Solution play_arrow

• question_answer32)
  A device that connects to a network without the use of cables is said to be
  A)
   distributed                     done clear
  B)
   centralised done clear
  C)
   open source                   done clear
  D)
   wireless done clear
  View Solution play_arrow

• question_answer33)
  Codec refers to
  A)
   Coder-decoder done clear
  B)
   Co-declaration done clear
  C)
   Command declaration done clear
  D)
   Command decoding done clear
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• question_answer34)
  To connect networks of similar protocols ____ are used
  A)
   Routers             done clear
  B)
   Bridges done clear
  C)
   Gateways                     done clear
  D)
   Dial-up routers done clear
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• question_answer35)
  Telnet is a ___ based computer protocol
  A)
   Sound              done clear
  B)
   Text done clear
  C)
   Image               done clear
  D)
   Animation done clear
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• question_answer36)
  P2P is a ____ application architecture
  A)
   Client/server                  done clear
  B)
   Distributed done clear
  C)
   Centralized                    done clear
  D)
   I-tier done clear
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• question_answer37)
  'Bluetooth' technology allows
  A)
   Satellite communication done clear
  B)
   Signal transmission on mobile phones only done clear
  C)
   Wireless communication between equipment?s done clear
  D)
   Landline phone to mobile phone communication done clear
  View Solution play_arrow

• question_answer38)
  What is the other name of LAN card?
  A)
   Modem done clear
  B)
   Network connector done clear
  C)
   Internet card done clear
  D)
   MC done clear
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• question_answer39)
  In computer network nodes are:            
  A)
   The computer that originates the data done clear
  B)
   The computer that routes the data done clear
  C)
   The computer that terminates the data done clear
  D)
   All of the mentioned done clear
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• question_answer40)
  Which of the following extends a private network across public networks?
  A)
   Local area network done clear
  B)
   Virtual private network done clear
  C)
   Enterprise private network done clear
  D)
   Storage area network done clear
  View Solution play_arrow

• question_answer41)
  Which of the following protocol have file edit capability remote logging?
  A)
   FTP                             done clear
  B)
   TFTP done clear
  C)
   Telnet               done clear
  D)
   SMTP done clear
  View Solution play_arrow

• question_answer42)
  End to End connectivity is provided from which of to the following layer?
  A)
   Network layer    done clear
  B)
   Session layer done clear
  C)
   Transport layer  done clear
  D)
   Data link layer done clear
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• question_answer43)
  ICMP stands for ___
  A)
   Internet Communication Message Protocol done clear
  B)
   Internal Communication Message Protocol done clear
  C)
   Internal Control Message Protocol done clear
  D)
   Internet Control Message Protocol done clear
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• question_answer44)
  ICMP used for ___
  A)
   Forwarding                    done clear
  B)
   Addressing done clear
  C)
   Multicasting                   done clear
  D)
   Error Reporting done clear
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• question_answer45)
  Which of the following is the process of extracting large amount of information from a website?
  A)
   Trackback                     done clear
  B)
   Spoofing done clear
  C)
   SYN Flood                    done clear
  D)
   Scraping done clear
  View Solution play_arrow

• question_answer46)
  Which is a small hardware device that joins multiple computers together within one LAN?
  A)
   Network Interface Card done clear
  B)
   Switch              done clear
  C)
   Bridge done clear
  D)
   Router done clear
  View Solution play_arrow

• question_answer47)
  A communication network which is used by large organizations over regional, national or global area is called:
  A)
   LAN                             done clear
  B)
   WAN done clear
  C)
   MAN                            done clear
  D)
   VAN done clear
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• question_answer48)
  An alternate name for the completely interconnected network topology is
  A)
   Mesh    done clear
  B)
   Star done clear
  C)
   Tree                             done clear
  D)
   Ring done clear
  View Solution play_arrow

• question_answer49)
  Which of the following items is not used in Local Area Networks (LANs)?
  A)
   Interface Card   done clear
  B)
   Cable done clear
  C)
   Computer         done clear
  D)
   Modem done clear
  View Solution play_arrow

• question_answer50)
  An alternate name for the completely interconnect network topology is
  A)
   Mesh    done clear
  B)
   Star done clear
  C)
   Tree                             done clear
  D)
   Ring done clear
  View Solution play_arrow