EI32-JD型计算机联锁系统中2台计算机联锁运算相互之间进行硬件比较，2台计算机内总线上流通的代码经由比较器按（ ）比较。
A、位
B、字节
C、双字节
D、多位

A．The requirements only effect employers of more than  20 employees
B．For an  individual to be defined as a disabled  person,  the physical or mental  impairment must have an adverse effect of more than  12  months' duration
C．Public bodies have additional duties to protect and  promote equality for disabled people
D．Employers must adjust working arrangements or the physical features of premises to remove any disadvantage to disabled  people