Computer System Architecture Questions Answers

11) The unit which decodes and translates each instruction and generates the necessary enable signals for ALU and other units is call

• 1) ALU
• 2) Control Unit
• 3) CPU
• 4) Logical Unit

12) A microprogram is sequencer perform the operatio

• 1) Read
• 2) Write
• 3) Read and Write
• 4) Read and Execute

13) Which among following is an important data transfer techniqu

• 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 a

• 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 surfac

• 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