মাইক্রোপ্রসেসর

  • ০০। 'Burst refresh' in DRAM is also called
    • ক) Concentrated refresh
    • খ) Distributed refresh
    • গ) Hidden refresh
    • ঘ) None of the above
  • ০১। 'Rotate instruction' in microprocessor belongs to
    • ক) data transfer group
    • খ) arithmetic group
    • গ) logic group
    • ঘ) branch group
  • ০২। 'WRITE' is a
    • ক) Word processor
    • খ) Line editor
    • গ) Text editor
    • ঘ) Column editor
  • ০৩। - 56 is not a valid real constant in Fortran.
    • ক) True
    • খ) False
  • ০৪। 6 bytes means
    • ক) 6 bits
    • খ) 24 bits
    • গ) 48 bits
    • ঘ) 96 bits
  • ০৫। 8 bit data can have 256 numbers ranging from 00000000 to 111 111 11.
    • ক) True
    • খ) False
  • ০৬। 8085 data bus has 8 lines and is bidirectional.
    • ক) True
    • খ) False
  • ০৭। 8085 has 6 sign flags.
    • ক) True
    • খ) False
  • ০৮। 8085 needs + 10 V supply.
    • ক) True
    • খ) False
  • ০৯। 8255 A has three 8 bit ports A, B, C for peripheral data transfer. For programming 8255 A, these ports are grouped as
    • ক) Port A with Port B
    • খ) Port A with 4 most significant ports of C, port B with 4 least significant ports of C
    • গ) Port A with Port C
    • ঘ) none of the above
  • ১০। 8255 A is a
    • ক) programmable peripheral interface
    • খ) I/O device
    • গ) memory chip
    • ঘ) none of the above
  • ১১। A 256 x 4 EPROM has
    • ক) 8 address pins and 4 data pins
    • খ) 8 address pins and 8 data pins
    • গ) 4 address pins and 8 data pins
    • ঘ) 4 address pins and 4 data pins
  • ১২। A 37 bit mantissa has an accuracy of
    • ক) 6 decimal places
    • খ) 8 decimal places
    • গ) 10 decimal places
    • ঘ) 11 decimal places
  • ১৩। A blank EPROM has
    • ক) all bits set to logical 0
    • খ) all bits set to logical 1
    • গ) half the total number of bits set to 0 and remaining half to logical 1
    • ঘ) either (a) or (b)
  • ১৪। A colour monitor usign 16 bits at a resolution of 600 x 400 pixels needs a memory of
    • ক) 240000 B
    • খ) 9600 B
    • গ) 6400 B
    • ঘ) 480000 B
  • ১৫। A compiler converts a high level computer program into machine language program.
    • ক) True
    • খ) False
  • ১৬। A computer memory is an ordered sequence of storage cells.
    • ক) True
    • খ) False
  • ১৭। A computer program is used to read M and print the sum 2 + 4 + 6 + 8 +.........+ 2M. If M = 9 , the print out will show the number
    • ক) 9
    • খ) 18
    • গ) 90
    • ঘ) 100
  • ১৮। A computer program is used to read N and compute N !. IF N = 6, the result will be
    • ক) 6
    • খ) 12
    • গ) 720
    • ঘ) 1040
  • ১৯। A computer program is used to read N and print the sum 12 + 22 + 32 +.....+ N2. If N = 10, the print out will show the number
    • ক) 100
    • খ) 10
    • গ) 385
    • ঘ) 285
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