$$

$13.$ What is another name for the binary number system?

A$.$ The base$-$ten system

B$.$ The base$-$two system

C$.$ The decimal system

D$.$ The hexadecimal system

$14.$ Which of the following numbers is not a part of the binary number system?

A$.100$

B$.101$

C$.110$

D$.120$

$15.$ To reduce the memory access time we generally make use of

A$.$ SDRAM's

B$.$Heaps

C$.$ Cache's

D$.$Higher capacity RAM's

II$.$ Fill in the blanks. $($There are $10$ blanks in this part, $2$ points for each

POINT blank, and total $20$ points$)$

$)$d$.$

For sign integers, left most bit if sign bit $)$ means positive $)$means negative..

I$/$O equipment data transfer control methods are divided into $6$ types: unconditional I$/$O method, program control I$/$O method, $(),(),(),$ peripheral processor method.

Please encode negative numbers using $2\text{'}$s complement encoding

$-6d=(,)$

Instruction includes $()$ and Operand reference.

Once the cache has been filled, when a new block is brought into the cache, one of the existing blocks must be replaced, there are four replacement algorithms: $(),(),$ Least frequently used, Least Recently Used.