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【判断题】
在线问卷法是属于间接的市场调研A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】渡渡鸟作为毛里求斯的国鸟已于 1690 年灭绝,它的灭绝直接危及到一种叫大颅榄树的繁衍和扩散,研究发现渡渡鸟与这种高大的乔木有着直接关系,这种关系在于( )
A.
渡渡鸟能消化大颅榄树种子的外皮
B.
树上筑巢
C.
为树传粉
D.
相思
【单选题】Which of the following allocation methods ensures that only one access is needed to get a disk block using direct access?
A.
linked allocation
B.
indexed allocation
C.
hashed allocation
D.
contiguous allocation
【单选题】Linked list is generally considered as an example of _________ type of memory allocation.
A.
Static
B.
Dynamic
C.
Compile time
D.
None of these
【单选题】How many disk accesses are necessary for direct access to byte 20680 using linked allocation and assuming each disk block is 4 KB in size?
A.
1
B.
6
C.
7
D.
5
【简答题】资产配置(asset allocation)
【单选题】Linked list is generally considered as an example of _________ type of memory allocation.( )
A.
static
B.
dynamic
C.
compile time
D.
None of these
【单选题】The file-allocation table (FAT) used in MS-DOS is an example of (__).
A.
contiguous allocation
B.
indexed allocation
C.
linked allocation
D.
multilevel index
【多选题】下列关于Run allocation语法正确的( )
A.
run=allocation
B.
run>allocation
C.
allocation
D.
run>=allocation
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