2. The 8-bit encoding format used to store data in a computer is
Correct : B. ebcdic
3. A source program is usually in
Correct : C. high-level language
4. Which memory device is generally made of semiconductors?
Correct : A. ram
5. The small extremely fast, RAM’s are called as
Correct : A. cache
6. The ALU makes use of to store the intermediate results.
Correct : A. accumulators
7. The control unit controls other units by generating
Correct : B. timing signals
8. are numbers and encoded characters, generally used as operands.
Correct : B. data
9. The Input devices can send information to the processor.
Correct : A. when the sin status flag is set
10. bus structure is usually used to connect I/O devices.
Correct : A. single bus
11. The I/O interface required to connect the I/O device to the bus consists of
Correct : C. address decoder, registers and control circuits
12. To reduce the memory access time we generally make use of
Correct : D. cache’s
13. is generally used to increase the apparent size of physical memory.
Correct : B. virtual memory
14. MFC stands for
Correct : B. memory function complete
15. The time delay between two successive initiations of memory operation
Correct : C. memory cycle time
16. The decoded instruction is stored in
Correct : A. ir
17. Which registers can interact with the secondary storage?
Correct : A. mar
18. During the execution of a program which gets initialized first?
Correct : C. pc
19. Which of the register/s of the processor is/are connected to Memory Bus?
Correct : B. mar
20. ISP stands for
Correct : A. instruction set processor
21. The internal components of the processor are connected by
Correct : B. processor bus
22. is used to choose between incrementing the PC or performing ALU operations.
Correct : B. multiplexer
23. The registers, ALU and the interconnection between them are collectively called as
Correct : D. data path
24. is used to store data in registers.
Correct : A. d flip flop
25. The main virtue for using single Bus structure is
Correct : C. cost effective connectivity and ease of attaching peripheral devices
26. are used to overcome the difference in data transfer speeds of various devices.
Correct : D. buffer registers
27. To extend the connectivity of the processor bus we use
Correct : A. pci bus
28. IBM developed a bus standard for their line of computers ‘PC AT’ called
Correct : C. isa
29. The bus used to connect the monitor to the CPU is
Correct : B. scsi bus
30. ANSI stands for
Correct : A. american national standards institute
31. register Connected to the Processor bus is a single-way transfer capable.
Correct : D. z
32. In multiple Bus organisation, the registers are collectively placed and referred as
Correct : B. register file
33. The main advantage of multiple bus organisation over a single bus is
Correct : A. reduction in the number of cycles for execution
34. The ISA standard Buses are used to connect
Correct : C. harddisk and processor
35. During the execution of the instructions, a copy of the instructions is placed in the
Correct : D. cache
36. Two processors A and B have clock frequencies of 700 Mhz and 900 Mhz respectively. Suppose A can execute an instruction with an average of 3 steps and B can execute with an average of 5 steps. For the execution of the same instruction which processor is faster?
Correct : A. a
37. A processor performing fetch or decoding of different instruction during the execution of another instruction is called
Correct : B. pipe-lining
38. The clock rate of the processor can be improved by
Correct : D. all of the mentioned
39. An optimizing Compiler does
Correct : B. takes advantage of the type of processor and reduces its process time
40. SPEC stands for
Correct : C. system performance evaluation corporation
41. As of 2000, the reference system to find the performance of a system is
Correct : A. ultra sparc 10
42. If a processor clock is rated as 1250 million cycles per second, then its clock period is
Correct : D. 8 * 10-10 sec
43. If the instruction, Add R1, R2, R3 is executed in a system that is pipe-lined, then the value of S is (Where S is a term of the Basic performance equation)?
Correct : C. ~1
44. CISC stands for
Correct : C. complex instruction set computer
45. In the case of, Zero-address instruction method the operands are stored in
Correct : C. push down stack
46. As of 2000, the reference system to find the SPEC rating are built with Processor.
Correct : B. ultra sparc -iii 300mhz
47. The instruction, Add #45,R1 does
Correct : B. adds 45 to the value of r1 and stores it in r1
48. The addressing mode which makes use of in-direction pointers is
Correct : A. indirect addressing mode
49. In the following indexed addressing mode instruction, MOV 5(R1), LOC the effective address is
Correct : D. ea = 5+[r1]
50. The addressing mode/s, which uses the PC instead of a general purpose register is
Correct : B. relative
51. The addressing mode, where you directly specify the operand value is
Correct : A. immediate
52. addressing mode is most suitable to change the normal sequence of execution of instructions.
Correct : A. relative
53. Which method/s of representation of numbers occupies a large amount of memory than others?
Correct : A. sign-magnitude
54. Which method of representation has two representations for ‘0’?
Correct : A. sign-magnitude
55. When we perform subtraction on -7 and 1 the answer in 2’s complement form is
Correct : D. 1000
56. The processor keeps track of the results of its operations using flags called
Correct : A. conditional code flags
57. The register used to store the flags is called as
Correct : B. status register
58. In some pipelined systems, a different instruction is used to add to numbers which can affect the flags upon
Correct : D. xor gate
59. The most efficient method followed by computers to multiply two unsigned numbers is
Correct : B. bit pair recording of multipliers
60. For the addition of large integers, most of the systems make use of
Correct : C. carry look-ahead adders
61. In a normal n-bit adder, to find out if an overflow as occurred we make use of
Correct : C. shift register
62. The smallest entity of memory is called
Correct : A. cell
63. The collection of the above mentioned entities where data is stored is called
Correct : C. word
64. If a system is 64 bit machine, then the length of each word will be
Correct : B. 8 bytes
65. The type of memory assignment used in Intel processors is
Correct : A. little endian
66. When using the Big Endian assignment to store a number, the sign bit of the number is stored in
Correct : A. the higher order byte of the word
67. To get the physical address from the logical address generated by CPU we use
Correct : B. mmu
68. method is used to map logical addresses of variable length onto physical memory.
Correct : C. segmentation
69. During the transfer of data between the processor and memory we use
Correct : D. registers
70. Physical memory is divided into sets of finite size called as
Correct : A. frames
71. Add #%01011101,R1 , when this instruction is executed then
Correct : A. the binary addition between the operands takes place
72. If we want to perform memory or arithmetic operations on data in Hexa- decimal mode then we use symbol before the operand.
Correct : C. $
73. When generating physical addresses from a logical address the offset is stored in
Correct : B. relocation register
74. The technique used to store programs larger than the memory is
Correct : A. overlays
75. The unit which acts as an intermediate agent between memory and backing store to reduce process time is
Correct : D. cache
76. Does the Load instruction do the following operation/s?
Correct : B. loads the contents of a location onto the accumulators
77. Complete the following analogy:- Registers are to RAM’s as Cache’s are to
Correct : D. tlb
78. The BOOT sector files of the system are stored in
Correct : B. rom
79. The transfer of large chunks of data with the involvement of the processor is done by
Correct : A. dma controller
80. Which of the following techniques used to effectively utilize main memory?
Correct : C. dynamic loading
81. RTN stands for
Correct : A. register transfer notation
82. The instruction, Add Loc,R1 in RTN is
Correct : D. r1<-[loc]+[r1]
83. Can you perform an addition on three operands simultaneously in ALN using Add instruction?
Correct : C. not permitted
84. The instruction, Add R1,R2,R3 in RTN is
Correct : D. r3<-[r1]+[r2]
85. In a system, which has 32 registers the register id is long.
Correct : C. 5 bits
86. While using the iterative construct (Branching) in execution instruction is used to check the condition.
Correct : B. branch
87. The condition flag Z is set to 1 to indicate
Correct : C. the result is zero
88. converts the programs written in assembly language into machine instructions.
Correct : C. assembler
89. The instructions like MOV or ADD are called as
Correct : A. op-code
90. The assembler directive EQU, when used in the instruction: Sum EQU 200 does
Correct : B. replaces every occurrence of sum with 200
91. The directive used to perform initialization before the execution of the code is
Correct : C. dataword
92. directive is used to specify and assign the memory required for the block of code.
Correct : D. reserve
93. directive specifies the end of execution of a program.
Correct : B. return
94. The last statement of the source program should be
Correct : D. end
95. The assembler stores all the names and their corresponding values in
Correct : B. symbol table
96. The assembler stores the object code in
Correct : D. magnetic disk
97. The utility program used to bring the object code into memory for execution is
Correct : A. loader
98. To overcome the problems of the assembler in dealing with branching code we use
Correct : D. two-pass assembler
99. The return address of the Sub-routine is pointed to by
Correct : B. pc
100. The location to return to, from the subroutine is stored in