EC8552 MCQ – EC8552 UNIT V ADVANCED COMPUTER ARCHITECTURE MCQ TEST 4 October 29, 2020 admin Leave a comment Welcome to your EC8552 MCQ - EC8552 UNIT V ADVANCED COMPUTER ARCHITECTURE MCQ TEST 4 Your Name Your Email A collection of lines that connects several devices is called ..............?Busperipheral connection wiresinternal wiresBoth a and b A complete microcomputer system consist of ...........?microprocessormemoryperipheral equipmentall of the above PC Program Counter is also called ...................?instruction pointermemory pointerdata counterdata counter In a single byte how many bits will be there?816432 CPU does not perform the operation ..................?data transferlogic operationarithmetic operationall of the above The access time of memory is ............... the time required for performing any single CPU operation?Longer thanShorter thanNegligible thanSame as Memory address refers to the successive memory words and the machine is called as ............?word addressablebyte addressablebit addressableTerra byte addressable A microprogram written as string of 0's and 1's is a .............?Symbolic microinstructionbinary microinstructionsymbolic microinstructionbinary micro-program A pipeline is like ....................?an automobile assembly linehouse pipelineboth a and ba gas line Data hazards occur when .....................?Greater performance lossPipeline changes the order of read/write access to operandsSome functional unit is not fully pipelinedMachine size is limited Processors of all computers, whether micro, mini or mainframe must have?ALUPrimary StorageControl unitAll of above What is the control unit's function in the CPU?To transfer data to primary storageto store program instructionto perform logic operationsto decode program instruction What is meant by a dedicated computer?which is used by one person onlywhich is assigned to one and only one taskwhich does one kind of softwarewhich is meant for application software only The most common addressing techiniques employed by a CPU is?immediatedirectindirectregisterall of the above Pipeline implement?fetch instructiondecode instructionfetch operandcalculate operandexecute instructionall of the above Which of the following code is used in present day computing was developed by IBM corporation?ASCIIHollerith CodeBaudot codeEBCDIC code When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the?stack pointeraccumulatorprogram counterStack A microprogram written as string of 0's and 1's is a?symbolic microinstructionbinary microinstructionsymbolic microprogrambinary microprogram Interrupts which are initiated by an instruction are?internalexternalhardwareSoftware Memory access in RISC architecture is limited to instructions?CALL and RETPUSH and POPSTA and LDAMOV and JMP From where interrupts are generated?Central processing unitMemory chipsRegistersI/O devices The output of a gate is low when at least one of its input is low . It is true for?AND gateOR gateNAND gateNOR gate Which one of the following is most suitable to make a parity checker?AND gateOR gateExclusive- OR gateNone of the above What is the minimum number of flip-flops required in a counter to count 100 pulses?FivesevenTenhundred For a RS flip-flop constructed with NAND gates and input R=1 and s=1 the state is?Memory stateSet stateReset stateUnused state The advantage of RISC processor over CISC processor is that?The hardware architecture is simplerAn instruction can be executed in one cycleLess number of registers accommodate in chipParallel execution capabilities Which of the following is true about interrupts?They are generated when memory cycles are stolenThey are used in place of data channelsThey can be generated by arithmetic operationThey can indicate completion of an I/O operation The devices connected to a microprocessor can use the data bus?all the timeat regular interval of timeonly when it’s sending or receiving datawhen the microprocessor is reset Dynamic RAMs are best suited to?slow systemlarge systemone bit systemnone of the above Intel Pentium CPU is a?RISC basedCISC basedBoth of the aboveNone of the above A modem is used to link up two computers via?telephone linededicated lineboth The maximum integer which can be stored on a 8 bit accumulator is?112200255224 Which of the following bus is used to transfer data from main memory to peripheral device?DMA busOutput busData bus To provide increased memory capacity for operating system, the?virtual memory is createdcache memory is increasedmemory for OS is reservedAdditional memory is installed In immediate addressing the operand is placed?in the CPU registerafter opcode in the instructionin the memoryin the stack Pipeline processing implement?fetch & decode instructionfetch & calculate operandexecute instructionall of the above Instruction pipelining has minimum stages?4236 Time is Up! Time's up
