首页
登录
从业资格
An operating system also has to be able
An operating system also has to be able
题库
2022-08-02
84
问题
An operating system also has to be able to service peripheral ( ), such as timers,motors, sensors, communicationdevices, disks, etc. All of those can request the attention of the OS (请作答此空) , i.e. at the time that they want to use the OS, theOS has to make sure it's ready to service the requests. Such a request for attention is called an interrupt. There are twokinds of interrupts: Hardware interrupts and Software interrupts. The result of an inteiTup: is also a triggering of theprocessor, so that it jumps to a ( ) address. Examples of cases where software interrupts appear are perhaps a divide by zero, a memory segmentation fault, etc. So this kind of interrupt is not caused by a hardware event but by a specificmachine language operation code. Many systems have more than one hardware interrupt line, and the hardwaremanufacturer typically assembles all these interrupt lines in an interrupt ( ) . An Interrupt ( ) is a piece of hardware that shields the OS from the electronic details of the interrupt lines, so that interrupts can be queued and none of themgets lost.A.synchronouslyB.asynchronouslyC.simultaneouslyD.directly
选项
A.synchronously
B.asynchronously
C.simultaneously
D.directly
答案
B
解析
转载请注明原文地址:https://tihaiku.com/congyezige/2424475.html
本试题收录于:
中级 嵌入式系统设计师题库软件水平考试初中高级分类
中级 嵌入式系统设计师
软件水平考试初中高级
相关试题推荐
默认情况下,()帐户拥有访问和完全控制终端服务器的权限。A.Systems B
Theuseofnetwork(),systemsthateffe
Theuseofnetwork(),systemsthateffe
Theuseofnetwork(),systemsthateffe
work(请作答此空),systemsthateffectivelyiso
work(),systemsthateffectivelyisolate
因特网中的域名系统(DomainNameSystem)是一个分层的域名树,在
The()schemeinadatabasesystemisre
A()systemplacedbetweenthecompany
Thefirewalldeviceisa()systemforc
随机试题
Whydidn’tpeoplebegintouseunmannedvehiclesinunderseaexplorationuntilr
Hedemandedthatwe(take)______upthematteratthemeeting.(should)take主句谓语是
建筑材料和设备采购时采取邀请招标的邀请对象的数目不应少于()家。A.2 B.
利害关系人认为不动产登记簿记载的事项错误,权利人不同意更正的,利害关系人可以申请
施工企业从银行借款时,可以作为抵押物的有()。 A、施工企业所有的汽车
城镇体系规划的强制性内容不包括( )。A.区域内必须控制开发的区域 B.区域
在进行调査访问时,下面说法中正确的是() A.在访问时,与被访者谈
为了对固定收益平台交易进行严格规范,询价交易方式下,被询价报价后不得撤销其报价
使用教学媒体是为了使教学遵循这样一个顺序而进行:从经验的_表征、经验的_直到
在非能力测验(如人格测验)中,反映难度水平的指标称()。 (A)流畅性(B
最新回复
(
0
)