πŸ“Š Computer Organization and Architecture
Q. Computers use addressing mode techniques for _____________________.
  • (A) giving programming versatility to the user by providing facilities as pointers to memory counters for loop control
  • (B) to reduce no. of bits in the field of instruction
  • (C) specifying rules for modifying or interpreting address field of the instruction
  • (D) All the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All the above
πŸ“Š Computer Organization and Architecture
Q. 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
  • (A) the time its takes for the platter to make a full rotation
  • (B) the time it takes for the read-write head to move into position over the appropriate track
  • (C) the time it takes for the platter to rotate the correct sector under the head
  • (D) none of the above
πŸ’¬ Discuss
βœ… Correct Answer: (A) the time its takes for the platter to make a full rotation
πŸ“Š Computer Organization and Architecture
Q. Assembly language
  • (A) uses alphabetic codes in place of binary numbers used in machine language
  • (B) is the easiest language to write programs
  • (C) need not be translated into machine language
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) uses alphabetic codes in place of binary numbers used in machine language
πŸ“Š Computer Organization and Architecture
Q. Suppose that a bus has 16 data lines and requires 4 cycles of 250 nsecs each to transfer data. The bandwidth of this bus would be 2 Megabytes/sec. If the cycle time of the bus was reduced to 125 nsecs and the number of cycles required for transfer stayed the same what would the bandwidth of the bus?
  • (A) 1 Megabyte/sec
  • (B) 4 Megabytes/sec
  • (C) 8 Megabytes/sec
  • (D) 2 Megabytes/sec
πŸ’¬ Discuss
βœ… Correct Answer: (D) 2 Megabytes/sec
πŸ“Š Computer Organization and Architecture
Q. SIMD represents an organization that ______________.
  • (A) refers to a computer system capable of processing several programs at the same time.
  • (B) represents organization of single computer containing a control unit, processor unit and a memory unit.
  • (C) includes many processing units under the supervision of a common control unit
  • (D) none of the above.
πŸ’¬ Discuss
βœ… Correct Answer: (C) includes many processing units under the supervision of a common control unit
πŸ“Š Computer Organization and Architecture
Q. The BSA instruction is______.
  • (A) Branch and store accumulator
  • (B) Branch and save return address
  • (C) Branch and shift address
  • (D) Branch and show accumulator
πŸ’¬ Discuss
βœ… Correct Answer: (B) Branch and save return address
πŸ“Š Computer Organization and Architecture
Q. The average time required to reach a storage location in memory and obtain its contents is called_____.
  • (A) Latency time.
  • (B) Access time.
  • (C) Turnaround time.
  • (D) Response time.
πŸ’¬ Discuss
βœ… Correct Answer: (B) Access time.