1. The___ format is usually used to store data. decimal octal bcd hexadecimal 2. The 8-bit encoding format used to store data in a computer is anci uscii ebcdic ascii 3. A source program is usually in machine level language natural language high-level language assembly language 4. Which memory device is generally made of semiconductors? floppy disk hard-disk ram cd disk 5. The small extremely fast, RAM's are called as accumulators cache heaps stacks 6. bus structure is usually used to connect I/O devices. multiple bus single bus star bus rambus 7. To reduce the memory access time we generally make use of sdram's heaps higher capacity ram's cache's 8. The time delay between two successive initiations of memory operation memory search time memory access time instruction delay memory cycle time 9. To extend the connectivity of the processor bus we use multiple bus pci bus controllers scsi bus 10. During the execution of a program which gets initialized first? ir pc mdr mar 11. The main virtue for using single Bus structure is none of the mentioned cost effective connectivity and speed cost effective connectivity and ease of attaching peripheral devices fast data transfers 12. ISP stands for instruction set processor interrupt service procedure interchange standard protocol information standard processing 13. IBM developed a bus standard for their line of computers �PC AT' called m-bus none of the mentioned isa ib bus 14. The bus used to connect the monitor to the CPU is scsi bus memory bus pci bus rambus 15. ANSI stands for american network security interrupt american national standards institute american network standard interfacing american national standard interface 16. are used to overcome the difference in data transfer speeds of various devices. multiple buses speed enhancing circuitory bridge circuits buffer registers 17. The clock rate of the processor can be improved by by using the overclocking method all of the mentioned improving the ic technology of the logic circuits reducing the amount of processing done in one step 18. SPEC stands for standard performance evaluation code standard processing enhancement corporation system processing enhancing code system performance evaluation corporation 19. An optimizing Compiler does none of the mentioned better compilation of the given piece of code takes advantage of the type of processor and reduces its process time does better memory management 20. The addressing mode which makes use of in-direction pointers is indirect addressing mode relative addressing mode offset addressing mode relative addressing mode index addressing mode indirect addressing mode offset addressing mode index addressing mode 21. The most efficient method followed by computers to multiply two unsigned numbers is bit pair recording of multipliers non restoring algorithm restoring algorithm booth algorithm 22. When we perform subtraction on -7 and 1 the answer in 2's complement form is 1010 110 1110 1000 23. The processor keeps track of the results of its operations using flags called none of the mentioned type flags conditional code flags test output flags 24. The instruction, Add #45,R1 does finds the memory location 45 and adds that content to that of r1 none of the mentioned adds 45 to the value of r1 and stores it in r1 adds the value of 45 to the address of r1 and stores 45 in that address 25. The register used to store the flags is called as status register log register test register flag register 26. The addressing mode/s, which uses the PC instead of a general purpose register is indexed with offset both indexed with offset and direct relative direct 27. In some pipelined systems, a different instruction is used to add to numbers which can affect the flags upon nand gate and gate xor gate nor gate 28. For the addition of large integers, most of the systems make use of full adders carry look-ahead adders fast adders none of the mentioned 29. To get the physical address from the logical address generated by CPU we use overlays mmu mar tlb 30. The instructions like MOV or ADD are called as commands none of the mentioned op-code operators 31. method is used to map logical addresses of variable length onto physical memory. segmentation overlays paging paging with segmentation 32. Physical memory is divided into sets of finite size called as pages vectors frames blocks 33. Complete the following analogy:- Registers are to RAM's as Cache's are to system stacks tlb overlays page table 34. During the transfer of data between the processor and memory we use registers buffers cache tlb 35. The BOOT sector files of the system are stored in fast solid state chips in the motherboard harddisk ram rom 36. The transfer of large chunks of data with the involvement of the processor is done by dma controller arbitrator none of the mentioned user system programs 37. Which of the following techniques used to effectively utilize main memory? dynamic linking both dynamic linking and loading dynamic loading address binding 38. converts the programs written in assembly language into machine instructions. assembler machine compiler converter interpreter 39. The assembler stores all the names and their corresponding values in symbol table none of the mentioned special purpose register value map set 40. The assembler stores the object code in ram cache magnetic disk main memory 41. The appropriate return addresses are obtained with the help of in case of nested routines. mdr mar stack-pointers buffers 42. The utility program used to bring the object code into memory for execution is loader extractor fetcher linker 43. Can you perform an addition on three operands simultaneously in ALN using Add instruction? not possible using add, we've to use addsetcc yes none of the mentioned not permitted 44. To overcome the problems of the assembler in dealing with branching code we use debugger interpreter two-pass assembler op-assembler 45. When parameters are being passed on to the subroutines they are stored in all of the mentioned memory locations registers processor stacks 46. The stack frame for each subroutine is present in main memory system heap none of the mentioned processor stack 47. In case of nested subroutines the return addresses are stored in special memory buffers processor stack registers system heap 48. 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