Placement Papers: GlobalEdge Placement Paper 2006
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Remove the odd ones
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job scheduler
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long term scheduler
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medium term scheduler
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process term scheduler
ans: d
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long term scheduler is also known as
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cpu scheduler
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job scheduler
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middle term scheduler
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none of these
ans: b
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which one is not in the process state
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ready
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run
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terminated
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none of these
ans: d
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Switching the cpu to another process requires saving the state of the old process and loading the saved state is called
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mode switch
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process switch
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context switch
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none
ans: c
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which one is not in the compilation stage
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lexical analyser
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parser
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assembler
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code generator
ans: c
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Operating System
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Round Robin algorithm is used in:
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deadlock preventiom
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process management
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scheduling
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deadlock detection
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Type of memory management used in unix os
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File system supported in Unix
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number of address bits in 8086 processor
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which is the data type, which doeS'nt depend on the m/c
OS Questions
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Which is the most efficient page replacement algo-
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LRU (Correct-not v sure)
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LFU
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FIFO
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LIFO
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Compaction comes into picture in-
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Paging
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Sheduling
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Segmentation (Correct)
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File Management
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Which systems support both Real Mode/Protected Mode-
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Intel 386 and higher (Correct)
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Intel 286 and higher
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Pentium series only
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None of teh above
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High Paging Activity leads to-
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Swapping
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Compaction
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Thrashing (Correct)
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External Fragmentation
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Which are the necessary conditions for deadlock
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Mutual Exclusion
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Non preemption
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Circular wait
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Hold and wait
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All of the above (Correct)
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Nw Questions
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Gateway is the one which choices:
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Supports Multiple Protocols within same Network
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Routes Messages/Packets within same Network, having single protocol
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Supports Muliple Protocols of two/more Different Networks
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Routes Messages/Packets to differnt Networks, having same protocol b/w them
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Size of ATM packet, in bytes
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34
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53
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33
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32
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Where is the Bootstrap Loader present physically?
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HDD
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BIOS ROM
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First Track Zeroth Cylinder Zeroth Sector
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Zeroth Track Zeroth Cylinder First Sector
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Major Difference b/w Switches & Routers is
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No Difference between them
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Switches work in Data Link Layer & Routers in Network Layer of OSI model
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Switches divides the bandwidth across the various Devices connected whereas Routers Preserve Bandwidth.
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Routers have more intelligence than switches in routing a packet & able to
adjust to the environmental changes Dynamically
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Difference between a Hub & a Repeater
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Hub is used in Network Layer & Repeater at Physical Layer
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Hub & Repeater both are same
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Hub is a Repeater
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Hub divides Bandwith among various Machines whereas Repeater doesnot
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Computer Questions
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The different stages of compilation are
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preprocessor, compiler, assembler, loader, linker
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preprocessor, compiler, assembler, linker, loader (ans)
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preprocessor, assembler, compiler, linker, loader
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preprocessor, compiler, linker, assembler, loader
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Round Robin algorithm is used in
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memory management
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cpu scheduling (ans)
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deadlock detection
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none of the above
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Multiprogamming is used
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to maximize cpu utilization (ans)
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to increase process execution time
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to save memory
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none of the above
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Drawback in paging is
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internal fragmentation (ans)
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external fragmentation
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both (a) and (b)
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none of the above
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Belady's Anomaly occurs in which page replacement algorithm?
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fifo (ans)
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lru
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lfu
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none
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Computer Concepts
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spooling is the acronym for
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simultaneous processors operation online
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simultaneous peripheral operation online
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simultaneous peripheral operation over line
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simultaneous processor online operation
ans: (b)
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Telnet is
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Application layer protocol
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Network Layer protocol
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used by Link Layer for sending frames
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None of the above
ans: (a)
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socket in network programming is
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an electrical device
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IPC
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synchronization tool
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Network layer protocol
ans: (b)
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DMA stands for
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Direct Memory Access
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Directional Momentary Acess
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Directional Major device Access
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Direct Minor device Access
ans: (a)
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Linux
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has hierarchical file system
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has FAT
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treats peripheral devices as files
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both a and c
ans: (d)
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Computer Concepts Questions I
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in case memory maped i/o which one is not true
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there a is seperate address space for i/o operation
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special instruction are used for i/o data transfer
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memory address may overlap
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none of the above:
Ans. a
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DMA requires
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most of the cpu time
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cash
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CPU instantiation.
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main memory.
Ans. c
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special i/o instruction r required for
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Memory mapped i/o
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i/o mapped i/o
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both of these
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none of these
Ans. a
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out put of complier is
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assembly code
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object code
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machine code
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none of the above
Ans. b
5 which one these is onchip mem
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Computer Concepts Questions II
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Who is called the father of Computers?
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Blaise Pascal
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Herman Hollerith
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Antony Van
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Charles Babbage
Ans (d).
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How many columns did Punched Card have?
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24
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100
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80
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16
Ans (c).
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What does the acronym FTP stand for?
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File Transmission Protocol
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File Transfer Protocol
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Fifo Termination Pointer
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File Tracking Pointer
Ans (b).
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Which company was involved in the development of Unix?
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Microsoft
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IBM
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AT&T
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Hewlett Packard
Ans (c).
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What does acronym RISC stand for?
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Rapid Instruction Set Computers
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Rapid Integer Signalling Computers
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Reduced Instruction Set Computers
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Reliable Instruction Set Computers
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Ans (c).