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GLOBAL EDGE  Placement Paper 5 20051)Remove the odd onesa)job scheduler b)long term scheduler c)medium term schedulerd)process term schedulerans:d2) long term scheduler is also known asa)cpu scheduler b)job scheduler c)middle term scheduler d)none of theseans:b3)which one is not in the process statea)ready b)run c)terminated d)none of theseans: d4)Switching the cpu to another process requires saving the state of the old process and loading the saved state is calleda)mode switch b)process switch c)context switch d)noneans:cGLOBAL EDGE Latest Fresher Engineer Placement Sample Question Paper 6 20055)which one is not in the compilation stagea)lexical analyserb)parserc)assemblerd)code generatorans:c Operating System :1. Round Robin algorithm is used in :a. deadlock preventiom b. process management c . scheduling (1)d . deadlock detection2. Type of memory management used in unix osa. swapping b. demand paging c . both a and b(1) d. none of the above3. File system supported in Unixa. ext2 b. ext3 c. a and b (1) d . none of the above4. number of address bits in 8086 processora. 16 b. 20(1) c . 24 d. 125. which is the data type , which does,nt depend on the m/ca. char(1) b. int c. float d.none6the int size depends on ?a. ALU size(1) b. OS c. none******************************************************************************************************OS Questions1. Which is the most efficient page replacement algo -a. LRU ( Correct - not v sure )b. LFUc. FIFOd. LIFO2. Compaction comes into picture in -a. Pagingb. Shedulingc. Segmentation ( Correct )d. File Management3.Which systems support both Real Mode / Protected Mode -a. Intel 386 and higher ( Correct)b. Intel 286 and higherc.  Pentium series onlyd. None of teh above4. High Paging Activity leads to -a. Swappingb. Compactionc. Thrashing ( Correct)d. External Fragmentation5. Which are the necessary conditions for deadlocka. Mutual Exclusionb. Non preemptionc. Circular waitd. Hold and waite. All of the above ( Correct)******************************************************************************************************/* N/w Questions */1) Gateway is the one whichchoice(s) :---------(a) Supports Multiple Protocols within same Network(b) Routes Messages / Packets within same Network , having single protocol(c) Supports Muliple Protocols of two / more Different Networks(d) Routes Messages / Packets to differnt Networks,having same protocol b/w them2) Size of ATM packet , in byteschoice(s) :---------(a)34(b)53(c)33(d)323) Where is the Bootstrap Loader present physically ?Choice(s) :---------(a) HDD(b) BIOS ROM(c) First Track Zeroth Cylinder Zeroth Sector(d) Zeroth Track Zeroth Cylinder First Sector4) Major Difference b/w Switches & Routers isChoice(s) :--------(a)No Difference between them(b)Switches work in Data Link Layer & Routers in Network Layer of OSI model(c)Switches divides the bandwidth across the various Devices connected whereasRouters Preserve Bandwidth.(d)Routers have more intelligence than switches in routing a packet & able toadjust to the environmental changes Dynamically5) Difference between a Hub & a Repeater(a) Hub is used in Network Layer & Repeater at Physical Layer(b) Hub & Repeater both are same(c) Hub is a Repeater(d) Hub divides Bandwith among various Machines whereas Repeater doesnotAnswers :-------1) (c) Supports Muliple Protocols of two / more Different Networks2) (b) 533) (b) BIOS ROM4) (d)Routers have more intelligence than switches in routing a packet & able toadjust to the environmental changes Dynamically5) (d) Hub divides Bandwith among various Machines whereas Repeater doesnot******************************************************************************************************1) The different stages of compilation area. preprocessor, compiler, assembler, loader, linkerb. preprocessor, compiler, assembler, linker, loader (ans)c. preprocessor, assembler, compiler, linker, loaderd. preprocessor, compiler, linker, assembler, loader2) Round Robin algorithm is used ina. memory managementb. cpu scheduling (ans)c. deadlock detectiond. none of the above3) Multiprogamming is useda. to maximize cpu utilization (ans)b. to increase process execution timec. to save memoryd. none of the above4) Drawback in paging isa. internal fragmentation (ans)b. external fragmentationc. both (a) and (b)d. none of the above5) Belady,s Anomaly occurs in which page replacement algorithm?a. fifo (ans)b. lruc. lfud. none******************************************************************************************************1) a relocatable code isa) portable codeb) code generated for virtual addressc) ready to run anywhere in memoryd) both b & c (ans)2) Memory management unit(MMU)a) is softwareb) hardwarec) both a & b (ans)d) none3) C is aa) low level languageb) high level languagec) middle level language (ans)d) portable language4) symbol table used fora)preprocessingb)generating machine codec)resolving external referencesd)both b & c (ans)e) none5)dispatcher is used ina)memory managementb)deadlockc)scheduling (ans)d)none6) use of virtual memorya) to support executables larger than memory size (ans)b) to increase speed of executionc) bothd) none******************************************************************************************************Computer Concepts-----------------1 spooling is the acronym for(a) simultaneous processors operation online(b) simultaneous peripheral operation online(c) simultaneous peripheral operation over line(d) simultaneous processor online operationans : (b)------------------------------------------2 Telnet is(a) Application layer protocol(b) Network Layer protocol(c) used by Link Layer for sending frames(d) None of the aboveans : (a)------------------------------------------3 socket in network programming is(a) an electrical device(b) IPC(c) synchronization tool(d) Network layer protocolans : (b)------------------------------------------4 DMA stands for(a) Direct Memory Access(b) Directional Momentary Acess(c) Directional Major device Access(d) Direct Minor device Accessans : (a)------------------------------------------5 Linux(a) has hierarchical file system(b) has FAT(c) treats peripheral devices as files(d) both (a) & (c)ans : (d)------------------------------------------******************************************************************************************************1. in case memory maped i/o which one is not truea. there a is seperate address space for i/o operationb. special instruction are used for i/o data transferc. memory address may overlapd. none of the above.Ans. a2 DMA requiresa.most of the cpu timeb.cashc.CPU instantiation.d.main memory.Ans c3. special i/o instruction r required fora.Memory mapped i/ob.i/o mapped i/oc.both of thesed.none of theseAns a4. out put of complier isa.assembly codeb.object codec.machine coded.none of the aboveAns b.5 which one these is onchip mema.mainmemoryb.cash******************************************************************************************************-------------------------------------------------------------------------------------------------1.which one of the following is wrongA. 2,s complement(10110) = 01010 B. 4,s complement(1230)=2110C. 8,s complement(7436)=1451 @ D. 5,s complement(4322)=0123--------------------------------------------------------------------------------------------------2.(128)base 10 = (1003)base r, what is the value of r?A. 3 B. 4C. 5 @ D. 6--------------------------------------------------------------------------------------------------3. In design of instruction setA. RISC uses more no of instructions. B. CISC uses more no.of instructions @C. Both uses same no. of instruction. D. RISC uses mor than CISC--------------------------------------------------------------------------------------------------4. which phase of the compiler checks lexicographic errorsA. Syntax Phase B. Semantic PhaseC. Lexical Analysis @ D.Code Optimization--------------------------------------------------------------------------------------------------5. Random accessing is possible inA. Read Only Memory(ROM) B. Random Access Memory(RAM)C. Both RAM and ROM @ D. None of the above.----------------------------------------------------------------------------------------------------******************************************************************************************************// Computer Concepts questions1.Who is called the father of Computers ?a) Blaise Pascalb) Herman Hollerithc) Antony Vand) Charles BabbageAns .(d)2.How many columns did Punched Card have ?a) 24b) 100c) 80d) 16Ans.(c)3.What does the acronym FTP stand for ?a)File Transmission Protocolb)File Transfer Protocolb)Fifo Termination Pointerd)File Tracking PointerAns.(b)4.Which company was involved in the development of Unix?a)Microsoftb)IBMc)AT&Td)Hewlett PackardAns.(c)5.What does acronym RISC stand for ?a)Rapid Instruction Set Computersb)Rapid Integer Signalling Computersc)Reduced Instruction Set Computersd)Reliable Instruction Set ComputersAns.(c)******************************************************************************************************1.) Who is the originator of MS-DOSa. Gary Kildallb. Dennis Ritchiec. Tim Patterson *d. Ken Thompson2.) Which of the following is responsible for displaying theDOS prompta. Resident portion of COMMAND.COMb. Transient portion of COMMAND.COM *c. SYSINIT module of IO.SYSd. AUTOEXEC.BAT3.) Bootstrap loader program is a program belonging to:a. ROM extension softwareb. ROM startup software *c. ROM-BIOS softwared. ROM Basic software4.) Whether a particular operation is successfully carried out byDOS or not is indicated by the value stored ina.Ordinary registerb.Flags register *c.Segment registerd.Offset register5.) In a 80386 microprocessor each CPU register isa.12 bits longb.16 bits long *c. 8 bits longd. 8 bytes long6.) Each Address in Interrupt Vector table isa. 2 bytes longb. 4 bytes long *c. 8 bytes longd. 1 byte long7.) The Program Counter is also calleda. Stack Pointerb. Base Pointerc. Instruction Pointer *d. None of the above8.) The 8088 is aa. 8 bit Microprocessorb. 16 bit Microprocessorc. 8/16 bit Microprocessor *d. a 32 bit Microprocessor9.) Pick the odd one outa. VGAb. EGAc. XGAd. BCA *10.) A ROM-BIOS routine makes use of the segment registerES and DS. To call this routine which function would you usea. int86()b. int86x() *c. intdos()d. intdosx() *11.) Conventionally one screenful of characters would requirehow many bytes:a. 2000b. 3000c. 4000 *d. 50001IEEE stands for ?a) Institute of Electrical and Electronic Engineersb) Information for Electronics and Electrical Engineersc) International Electronics and Elecrical Engineers.d) None of the above.Ans: a2Which of the following protocol help us while receiving mail messagesover the internet ?a) SNMP b)ans: c3Which of the following tools are used to partition the hard disk ?a) fdiskb) Disk Manager ( DM ).c) Bothd) None of the above.ans: c4EBCDIC code stands for ?a) Extended Binary coded decimal interchange codeb) Extended Biased coding Decimal interchange codec) External Biased coding Decimal interchange coded) None of the aboveans: a5C++ designed and developed by ?a) Kerninghan & Ritchie.b) Thomson.c) Bary B Brey.d) Bjarne Stroustrupans: d)  

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