[问答题] 简述计算机硬件与软件的关系。

高处作业分为4个等级，高度在2～5m时，为（）级高处作业。 ["一","二","三","特"] 热油炉烟道气温度高以后烟道挡板位置应如何调节？ In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?（） [" trunking"," squelching"," nodal bypass"," bridge and roll"," node failure insertio"] 1897年，严复、夏曾佑在《本馆附印说部缘起》一文中提出，应该利用（）来启发民的觉悟。 女性，19岁，因甲状腺肿大收住院。查体：甲状腺二度肿大，无结节。甲状腺扫描：甲状腺弥漫性肿大，均匀分布。初步诊断为单纯性甲状腺肿。下列哪项辅助检查结果支持该诊断（） ["T3、T4升高，TSH减低","T3、T4升高，TSH正常","甲状腺摄I率增高且高峰前移","T3、T4正常，TSH正常","T3、T4降低，TSH正常"] 简述计算机硬件与软件的关系。