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【单选题】
防止高频电磁场对人体作用的正确措施是A.
场源屏蔽，远距离操作，合理布局
B.
场源屏蔽，远距离操作，合理通风
C.
场源屏蔽，湿式作业，合理布局
D.
个人防护，远距离操作，合理通 风
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【单选题】The maximum number of comparisons needed for the binary search of a 2000 element array is _______.
A.
9
B.
15
C.
11
D.
14
【简答题】Complete the table below by supplying the missing two forms for each number. Binary Hexadecimal Decimal 10101101 (1) (2) 1101110101 (3) (4) (5) 8EF (6) (7) 10 ...
【单选题】Design a logic circuit to produce a HIGH output only if the input, represented by a 4-bit binary number（A(MSB) ,B ,C and D(LSB)）, is greater than eleven or less than five（not including eleven and five...
A.
Y=A'B'+AB+A'C'D'
B.
Y=A'B+AB'+A'C'D'
C.
Y=A'B'+AB+A'C'D
D.
Y=A'B'+AB+A'CD'
【单选题】How can an unsigned binary number be converted to a negative value of equal magnitude (e.g. from plus 4 to minus 4 or from plus 100 to minus 100) in Binary Two's Complement.11
A.
You can invert all of the bits.
B.
Invert all the bits in the original bit string, then add one.
C.
Replace the leading 0 with a leading 1.
D.
For an eight bit number, you would subtract 128 10 to get a binary number in the range -128 to plus +127.
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