computer organization and design-midterm review2

If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor – what is the exact effect on the performance of the computer?

• The number of instructions executed per second quadruples

• The number of instructions executed per second doubles

• The number of instructions executed per second stays the same

• The number of instructions executed per second is halved

The unit that controls the arithmetic and logic for the CPU is known as the:

• Bus

• CU

• ALU

• Registers

The unit that controls the input / output devices ALU and memory for the CPU is known as the:

• BUS

• CU

• ALU

• Registers

Which one of the following is the smallest memory ?

• Main Memory

• Cache

• Registers

• External Memory

Which statement is TRUE about SRAM(static RAM) and DRAM(dynamic RAM)?

• DRAM is faster than SRAM

• DRAM is cheaper than SRAM

• DRAM and SRAM is nonvolatile(非易失性) memory

How many locations in a memory if size of the address is 8 bits

• 16 locations

• 64 locations

• 256 locations

Which is correct translator for the C code: c=a+b

• add a,b,c

• add b,c,a

• add c,a,b

Processors have a speed measured in

• Hertz

• Bits

• Bytes

• Seconds

Data and Instructions in use are stored in the

• Processor

• Embedded System

• Hard Disk Drive

• Main Memory

Which of these doesn’t affect the performance of the computer?

• Clock Speed

• Number Of Cores

• Cache Size

• The Number Of Instructions In The Program