题目内容

Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is ______ in computer systems.

A. useless
B. not important
C. simple but important
D. too simple to be useful

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Virtualization is an approach to IT that pools and shares (36) so that utilization is optimized and supplies automatically meet demanD. Traditional IT environments are often silos, where both technology and human (37) are aligned around an application or business function. With a virtualized (38) , people, processes, and technology are focused on meeting service levels, (39) is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization (40) that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.

A. advantages
B. resources
C. benefits
D. precedents

DOM is a platform-and language- (1) API that allows programs and scripts to dynamically access and update the content, structure and style of WWW documents (currently, definitions for HTML and XML documents are part of the specification). The document can be further processed and the results of that processing can be incorporated back into the presented (2) . DOM is a (3) -based API to documents, which requires the whole document to be represented in (4) while processing it. A simpler alternative to DOM is the event-based SAX, which can be used to process very large (5) documents that do not fit into the memory available for processing.

A. text
B. image
C. page
D. graphic

We can use the word processor to ______ your documents.

A. edit
B. compute
C. translate
D. unload

Which of the following is not part of a modern quality management concept ______

A. Performance standard is zero defects
B. Quality must be inspected in
C. 85% of failures occur because of the process, not the worker
D. Quality is a 4 cycle process - plan/do/check/act

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