Computer Microprocessor and Assembly Language

31. A central processing unit, fabricated on a single chip of semiconductor is called:

  1. Microprocessor
  2. RAM
  3. ROM
  4. None of these

Correct answer: (A)
Microprocessor

32. A computer which has the microprocessor as ____________ is called as a microcomputer:

  1. CPU
  2. ALU
  3. RU
  4. None of these

Correct answer: (A)
CPU

33. A fourth bit called the ____________:

  1. Direct bit
  2. Cache bit
  3. Valid bit
  4. All of these

Correct answer: (C)
Valid bit

34. A nibble can be represented in the from of:

  1. Octal digit
  2. Decimal
  3. Hexadecimal
  4. None of these

Correct answer: (C)
Hexadecimal

35. A set of register which contain are:

  1. data
  2. memory addresses
  3. result
  4. all of these

Correct answer: (D)
all of these

36. Accumulator based microprocessor example are:

  1. Intel 8085
  2. Motorola 6809
  3. A and B
  4. None of these

Correct answer: (C)
A and B

37. AD stand for:

  1. Address data
  2. Address delete
  3. Address date
  4. Address deal

Correct answer: (A)
Address data

38. ADC stands for:

  1. Analogue to analogue converters
  2. Analogue to digital converters
  3. Digital to digital converters
  4. Digital to analogue converters

Correct answer: (B)
Analogue to digital converters

39. ADSTB stands for:

  1. Access stroe
  2. Access strobe
  3. Address store
  4. Address strobe

Correct answer: (D)
Address strobe

40. AEN stands for:

  1. Address enable
  2. Address equivalent
  3. Acknowledgment enable
  4. Acknowledgment equivalent

Correct answer: (A)
Address enable

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