第三章单元测试
- Four times seven equals seven minus four.（ ）
- Two plus three equals five.（ ）
- Six divided by three is the same as six over three.（ ）
- It is not true that the two's complement representation occur in base 10.（ ）
- Sign bit tells a computer whether a number is positive or negative.（ ）
- Damaged hardware is NOT a possible result of overflow.（ ）
- The reason why engineers use approximations in computer arithmetic is that computers are not able to process infinite numbers.（ ）
- Five ____ three equals two. （ ）
- Eight ____ two equals four. （ ）
- ____ one number from another to find the difference between them. （ ）
- Two ____ three is six. （ ）
- If you ____ two amounts of something, you get a larger amount. （ ）
- An ____ is a set of precise rules for solving mathematical functions. （ ）
- ____ is the compactness of a computer program. （ ）
- A ____ is the leading digit that is tested by the hardware to indicate whether a number is positive or negative. （ ）
A:对 B:错
答案:错
A:对 B:错
A:对 B:错
A:对 B:错
A:对 B:错
A:对 B:错
A:错 B:对
A:less B:divided by C:times D:plus
A:less B:plus C:divided by D:times
A:Equal B:Add C:Subtract D:Plus
A:divided by B:plus C:less D:multiplied by
A:divided by B:subtract C:less D:add
A:determine B:calculation C:algorithm D:elegance
A:Determine B:Finite C:Elegance D:Algorithm
A:sign bit B:two’s complement C:subscript D:unsigned number
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