Computer Organization And Architecture Short Question and Answer MCQs Set-1

Computer Organization and Architecture is vast subject , this section contain Short Questions and Answers ,Multiple Choice type MCQ to Help student for quick revision .

1. In Reverse Polish notation, expression A*B+C*D is written as
  • AB*CD*+
  • A*BCD*+
  • AB*CD+* (
  • A*B*CD+
2. SIMD represents an organization that ______________
  • refers to a computer system capable of processing several programs at the same time.
  • represents organization of single computer containing a control unit, processor unit and a memory unit.
  • includes many processing units under the supervision of a common control unit
  • none of the above.
3. Floating point representation is used to store
  • Boolean values
  • whole numbers
  • real integers
  • integers
4. Assembly language
  • uses alphabetic codes in place of binary numbers used in machine language
  • is the easiest language to write programs
  • need not be translated into machine language
  • None of these
5. In computers, subtraction is generally carried out by
  • 9’s complement
  • 10’s complement
  • 1’s complement
  • 2’s complement
6. The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to
  • the time its takes for the platter to make a full rotation
  • the time it takes for the read-write head to move into position over the appropriate track
  • the time it takes for the platter to rotate the correct sector under the head
  • none of the above
7. What characteristic of RAM memory makes it not suitable for permanent storage?
  • too slow
  • unreliable
  • it is volatile
  • too bulky
8. Computers use addressing mode techniques for _____________________
  • giving programming versatility to the user by providing facilities as pointers to memory counters for loop control
  • to reduce no. of bits in the field of instruction
  • specifying rules for modifying or interpreting address field of the instruction
  • All the above
9. The circuit used to store one bit of data is known as
  • Register
  • Encoder
  • Decoder
  • Flip Flop