Quiznetik
8085 Microprocessor | Set 2
1. A microprocessor retries instructions from :
A. control memory
B. cache memory
C. main memory
D. virtual memory
Correct : C. main memory
2. The CPU sends out a ____ signal to indicate that valid data is available on the data bus:
A. read
B. write
C. both a and b
D. none of these
Correct : B. write
3. The CPU removes the ___ signal to complete the memory write operation:
A. read
B. write
C. both a and b
D. none of these
Correct : A. read
4. BIU STAND FOR:
A. bus interface unit
B. bess interface unit
C. a and b
D. none of these
Correct : A. bus interface unit
5. EU STAND FOR:
A. execution unit
B. execute unit
C. exchange unit
D. none of these
Correct : A. execution unit
6. Eight of the register are known as:
A. general- purpose register
B. pointer or index registers
C. segment registers
D. other register
Correct : A. general- purpose register
7. The four index register can be used for:
A. arithmetic operation
B. multipulation operation
C. subtraction operation
D. all of these
Correct : A. arithmetic operation
8. IP Stand for:
A. instruction pointer
B. instruction purpose
C. instruction paints
D. none of these
Correct : A. instruction pointer
9. CS Stand for:
A. code segment
B. coot segment
C. cost segment
D. counter segment
Correct : A. code segment
10. DS Stand for:
A. data segment
B. direct segment
C. declare segment
D. divide segment
Correct : A. data segment
11. The acculatator is 16 bit wide and is called:
A. ax
B. ah
C. al
D. dl
Correct : A. ax
12. How many bits the instruction pointer is wide:
A. 16 bit
B. 32 bit
C. 64 bit
D. 128 bit
Correct : A. 16 bit
13. How many type of addressing in memory:
A. logical address
B. physical address
C. both a and b
D. none of these
Correct : C. both a and b
14. The size of each segment in 8086 is:
A. 64 kb
B. 24 kb
C. 50 kb
D. 16kb
Correct : A. 64 kb
15. The _______ address of a memory is a 20 bit address for the 8086 microprocessor:
A. physical
B. logical
C. both
D. none of these
Correct : A. physical
16. The pin configuration of 8086 is available in the________:
A. 40 pin
B. 50 pin
C. 30 pin
D. 20 pin
Correct : A. 40 pin
17. DIP stand for:
A. deal inline package
B. dual inline package
C. direct inline package
D. digital inline package
Correct : B. dual inline package
18. EA stand for:
A. effective address
B. electrical address
C. effect address
D. none of these
Correct : A. effective address
19. BP stand for:
A. bit pointer
B. base pointer
C. bus pointer
D. byte pointer
Correct : B. base pointer
20. DI stand for:
A. destination index
B. defect index
C. definition index
D. delete index
Correct : A. destination index
21. SI stand for:
A. stand index
B. source index
C. segment index
D. simple index
Correct : B. source index
22. ALE stand for:
A. address latch enable
B. address light enable
C. address lower enable
D. address last enable
Correct : A. address latch enable
23. NMI stand for:
A. non mask able interrupt
B. non mistake interrupt
C. both
D. none of these
Correct : A. non mask able interrupt
24. The offset of a particular segment varies from _________:
A. 000h to fffh
B. 0000h to ffffh
C. 00h to ffh
D. 00000h to fffffh
Correct : B. 0000h to ffffh
25. Which are the factor of cache memory:
A. architecture of the microprocessor
B. properties of the programs being executed
C. size organization of the cache
D. all of these
Correct : D. all of these
26. ________ is usually the first level of memory access by the microprocessor:
A. cache memory
B. data memory
C. main memory
D. all of these
Correct : A. cache memory
27. Microprocessor reference that are available in the cache are called______:
A. cache hits
B. cache line
C. cache memory
D. all of these
Correct : A. cache hits
28. Microprocessor reference that are not available in the cache are called_________:
A. cache hits
B. cache line
C. cache misses
D. cache memory
Correct : C. cache misses
29. Which causes the microprocessor to immediately terminate its present activity:
A. reset signal
B. interupt signal
C. both
D. none of these
Correct : A. reset signal
30. Which is responsible for all the outside world communication by the microprocessor:
A. biu
B. piu
C. tiu
D. liu
Correct : A. biu
31. INTR: it implies the__________ signal:
A. intrrupt request
B. intrrupt right
C. intrrupt rongh
D. intrrupt reset
Correct : A. intrrupt request
32. Which of the following are the two main components of the CPU?
A. control unit and registers
B. registers and main memory
C. control unit and alu
D. alu and bus
Correct : C. control unit and alu
33. The language that the computer can understand and execute is called
A. machine language
B. application software
C. system program
D. all of the above
Correct : A. machine language
34. Which of the following is used as a primary storage device?
A. magnetic drum
B. prom
C. floppy disk
D. all of these
Correct : B. prom
35. Which of the following memories needs refresh?
A. sram
B. dram
C. rom
D. all of above
Correct : B. dram
36. The memory which is programmed at the time it is manufactured
A. prom
B. ram
C. prom
D. eprom
Correct : A. prom
37. Which of the following memory medium is not used as main memory system?
A. magnetic core
B. semiconductor
C. magnetic tape
D. both a and b
Correct : C. magnetic tape
38. Registers, which are partially visible to users and used to hold conditional, are known as
A. pc
B. memory address registers
C. general purpose register
D. flags
Correct : C. general purpose register
39. One of the main feature that distinguish microprocessors from micro-computers is
A. words are usually larger in microprocessors
B. words are shorter in microprocessors
C. microprocessor does not contain i/o devices
D. exactly the same as the machine cycle time
Correct : C. microprocessor does not contain i/o devices
40. The first microprocessor built by the Intel Corporation was called
A. 8008
B. 8080
C. 4004
D. 8800
Correct : C. 4004
41. Most important advantage of an IC is its
A. easy replacement in case of circuit failure
B. extremely high reliability
C. reduced cost
D. low powers consumption
Correct : B. extremely high reliability
42. Which of the following items are examples of storage devices?
A. floppy / hard disks
B. cd-roms
C. tape devices
D. all of the above
Correct : D. all of the above
43. Which is the type of memory for information that does not change on your computer?
A. ram
B. rom
C. eram
D. rw / ram
Correct : B. rom
44. Before a disk can be used to store data. It must be…….
A. formatted
B. reformatted
C. addressed
D. none of the above
Correct : A. formatted
45. Which company is the biggest player in the microprocessor industry?
A. motorola
B. ibm
C. intel
D. amd
Correct : C. intel
46. A typical personal computer used for business purposes would have… of RAM.
A. 4 kb
B. 16 k
C. 64 k
D. 256 k
Correct : D. 256 k
47. The word length of a computer is measured in
A. bytes
B. millimeters
C. meters
D. bits
Correct : D. bits
48. Which part of the computer is used for calculating and comparing?
A. disk unit
B. control unit
C. alu
D. modem
Correct : C. alu
49. Can you tell what passes into and out from the computer via its ports?
A. data
B. bytes
C. graphics
D. pictures
Correct : A. data
50. What is the responsibility of the logical unit in the CPU of a computer?
A. to produce result
B. to compare numbers
C. to control flow of information
D. to do math’s works
Correct : B. to compare numbers
51. The secondary storage devices can only store data but they cannot perform
A. arithmetic operation
B. logic operation
C. fetch operations
D. either of the above
Correct : D. either of the above
52. Which of the following memories allows simultaneous read and write operations?
A. rom
B. ram
C. eprom
D. none of above
Correct : B. ram
53. Which of the following memories has the shortest access times?
A. cache memory
B. magnetic bubble memory
C. magnetic core memory
D. ram
Correct : A. cache memory
54. A 32 bit microprocessor has the word length equal to
A. 2 byte
B. 32 byte
C. 4 byte
D. 8 byte
Correct : C. 4 byte
55. An error in computer data is called
A. chip
B. bug
C. cpu
D. storage device
Correct : B. bug
56. The silicon chips used for data processing are called
A. ram chips
B. rom chips
C. micro processors
D. prom chips
Correct : D. prom chips
57. The instructions for starting the computer are house on
A. random access memory
B. cd-rom
C. read only memory chip
D. all of above
Correct : C. read only memory chip
58. The ALU of a computer normally contains a number of high speed storage element called
A. semiconductor memory
B. registers
C. hard disks
D. magnetic disk
Correct : B. registers
59. The first digital computer built with IC chips was known as
A. ibm 7090
B. apple – 1
C. ibm system / 360
D. vax-10
Correct : C. ibm system / 360
60. Which of the following terms is the most closely related to main memory?
A. non volatile
B. permanent
C. control unit
D. temporary
Correct : D. temporary
61. Which of the following is used for manufacturing chips?
A. control bus
B. control unit
C. parity unit
D. semiconductor
Correct : D. semiconductor
62. To locate a data item for storage is
A. field
B. feed
C. database
D. fetch
Correct : D. fetch
63. A directly accessible appointment calendar is feature of a … resident package
A. cpu
B. memory
C. buffer
D. alu
Correct : B. memory
64. A/n …. Device is any device that provides information, which is sent to the CPU
A. input
B. output
C. cpu
D. memory
Correct : A. input
65. Current SIMMs have either … or … connectors (pins)
A. 9 or 32
B. 30 or 70
C. 28 or 72
D. 30 or 72
Correct : D. 30 or 72