An embedded operating system is the（71） program that manages all the other programs in an embedded device after initial load of programs by a(an) （72）. It normally guarantees a certain capability within a specified（73） size and （74） constraint as well as with application programs. It also normally has small foot print including initial boot loader, OS kernel, required device drivers, （75） for the user data and so forth. It has very-likely structure of a normal operating system however mainly differentiated by some factors such as type of pre-installed device, functional limits, taking designed job only.

（71）A. hardware B. business C. software D. external

（72）A. driver B. application C. kernel D. boot loader

（73）A. data B. storage C. bus D. CPU

（74）A. time B. format C. controller D. packet

（75）A. JAFFS B. format C. file systems D. protocol

[单选题]A．n embedded operating system is the(71)program that manages all the other programs in an embedded device after initial load of programs by a(an)(72). It normally guarantees a capability within a specified(73)size and(74)constraint as well as with ap

[单选题]An operating system is ( ).A.the highest layer of softwareB.the lowest laye

[名词解释] linux operating system

[单选题] Embedded system is （66） special computer system which is scalable on both software and （67）. It can satisfy the strict requirement of functionality, （68） , cost, volume, and power consumption of the particular application. With rapid development of

[单选题]An Embedded System is a (72)designed for specific control functions within a larger system.(72) A． computerB． programC．computer systemD．tool

[单选题] As an operating system repeatedly allocates and frees storage space, many physically separated unused areas appear. This phenomenon is called （71） .（71）A． fragmentationB． compactionC． swappingD． paging

[单选题]An operating system is (74) .(74) A． the highest layer of softwareB． the lowest layer of softwareC． the highest layer of hardwareD． the lowest layer of hardware

[单选题]A．s an operating system repeatedly allocates and frees storage space, many physically separated unused areas appear. This phenomenon is called (71).A．fragmentationB．compactionC．swappingD．paging

[单选题]The operating system provides an easy-to-use (73) to users.(73)A. interfaceB． hardwareC． deviceD． disk

[单选题]E．mbedded system is(66)special computer system which is scalable on both software and(67). It can satisfy the strict requirement of functionality,(68), cost, volume, and power consumption of the particular application. With rapid development of(69)de