Memory Map Questions and Answers

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Q91
The assembly equivalent code for exit(0) is .
  • A mov ax, 4c00h int 20h
  • B mov ax, 4c00h int 21h
  • C mov dx, 4c00h int 21h
  • D mov ax, 9h int22h
Answer: Option B
Q92
Why 80085 processor is called an 8 bit processor /
  • A Because 8085 processor has 8 bit ALU
  • B Because 8085 processor has 16 bit ALU
  • C Because 8085 processor has 32 bit ALU
  • D Because 8085 processor has 64 bit ALU
Answer: Option A
Q93
What does microprocessor speed depend on ?
  • A The processing speed depends on DATA BUS WIDTH
  • B The processing speed depends on Address BUS WIDTH
  • C The processing speed depends on Registers WIDTH
  • D None of these
Answer: Option A
Q94
A portion of RAM used for aving the content of program Counter and general purpose registers is called.
  • A Stack memory
  • B heap memory
  • C Data memory
  • D None of these
Answer: Option A
Q95
'Type 5' is the same as
  • A segmentation fault
  • B Null pointer assingment
  • C invalid indirection
  • D None of these
Answer: Option A
Q96
The sources can be compiled without modification for DOS, Windows or Lunux operating systems
  • A Portability
  • B Extensible
  • C Performance hit
  • D None of these
Answer: Option A
Q97
The operating system sets up and maintain a table for each running program alled
  • A Process memory map
  • B Page table
  • C IVT table
  • D None o these
Answer: Option A
Q98
Operating system is always present in
  • A low memory
  • B upper memory
  • C Heigh memory
  • D Extended memory
Answer: Option A
Q99
Which of the following is true
  • A A physical address is an address represented by bits on a physical address bus
  • B A logical address is a storage location addres that may or may not relate directly to a physical location
  • C A linear address is memory that is addressed starting with 0
  • D All the above
Answer: Option D
Q100
Which of the following statement is not true
  • A 8186 has ode segment register.
  • B 8086 has program segment register.
  • C 8086 has data segment register.
  • D 8086 has stacks segment register.
Answer: Option B

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