Computer System Architecture Questions Answers Online Quiz Test

• 1. Which among following can be considered as most advanced ROM ?

  1. DRAM
  2. EEPROM
  3. RAM
  4. PROM

• 2. One byte equals to how many bits ?

  1. 4 bits
  2. 8 bits
  3. 12 bits
  4. 16 bits

• 3. Which among following is Volatile ?

  1. ROM
  2. EPROM
  3. DROM
  4. RAM

• 4. Where the result of an arithmetic and logical operation are stored ?

  1. In Accumulator
  2. In Cache Memory
  3. In ROM
  4. In Instruction Registry

• 5. Why we need to have secondary storage ?

  1. Store large volume of data that exceed the capacity of main memory
  2. Perform arithmatic and logical operations
  3. To give power to the system too
  4. To help processor in processing

• 6. Which determines the address of I/O interface ?

  1. Register select
  2. Chip select
  3. Both of above
  4. None of above

• 7. An exception condition in a computer system caused by an event external to the CPU is known as ?
  

  1. Halt
  2. Process
  3. Interrupt
  4. None of above

• 8. Whenever CPU detects an interrupt, what it do with current state ?

  1. Save it
  2. Discard it
  3. Depends system to system
  4. First finish it

• 9. I/O processor has direct access to ?

  1. Main Memory
  2. Secondary Memory
  3. Flash Memory
  4. ROM

• 10. The address mapping is done, when the program is initially loaded is called ?
  

  1. Relocation
  2. Dynamic relocation
  3. Static relocation
  4. Executable relocation

• 11. The unit which decodes and translates each instruction and generates the necessary enable signals for ALU and other units is called

  1. ALU
  2. Control Unit
  3. CPU
  4. Logical Unit

• 12. A microprogram is sequencer perform the operation ?

  1. Read
  2. Write
  3. Read and Write
  4. Read and Execute

• 13. Which among following is an important data transfer technique ?

  1. CAD
  2. CAM
  3. DMA
  4. MMA

• 14. RISC stands for ?

  1. Risk Instruction Source Computer
  2. Reduced Instruction Set Computer
  3. Risk Instruction Set Computer
  4. Risk Instruction Set Computing

• 15. The performance of the cache memory is measured in terms of ?

  1. Hit Ratio
  2. Chat Ratio
  3. Copy Ratio
  4. Data Ratio

• 16. A set of physical addresses is also known as ?

  1. Disk Space
  2. Address Space
  3. Memory Space
  4. Locations

• 17. Which devices among following are usually designed on the complex electromechanical principle ?

  1. Printing devices
  2. Input devices
  3. Storage devices
  4. Peripheral devices

• 18. __ read the data by reflecting pulses of laser beams on the surface ?

  1. Magnetic disk
  2. Optical disk
  3. Floppy disk
  4. ROM

• 19. If CPU and I/O interface share a common bus than transfer of data between two units is known as ?
  

  1. Asynchronous
  2. Clock dependent
  3. Synchronous
  4. Decoder independent

• 20. All the operations in a digital system are synchronized by a clock that is generated by ?

  1. Clock
  2. Clock generator
  3. Pulse
  4. Pulse generator