A: It has appeared since 1960.
B: It is an electronic brain and can store a lot of information.
C: It is a chip of silicon crystal and is very small.
D: It becomes cleverer and more expensive every year.
举一反三
- Chip scale packaging(CSP) has an IC package that is about the same size as the silicon chip (＜( ) times the footprint of the die)
- The invention of the silicon chip is a______ in the history of the computer.
- Which of the following is correct about the gene chip? A: It can simultaneously analyze the variation of multiple genes. B: Microarray sample density is very small. C: It can be used to study the expression of multiple genes. D: It is a regularly arranged cDNA or oligonucleotide array.
- Which of the following is correct about the gene chip? A: It can simultaneously analyze the variation of multiple genes. B: Microarray sample density is very small. C: It can be used to study the expression of multiple genes. D: It is mainly used for the analysis of single gene structural variation.
- Silicon chip used in the ( ) generation computers? A: First B: Second C: Third D: Fourth
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Which of the following statements is best supported by the text A: This chip has been proven to be very successful. B: The use of this chip will be favored by everybody. C: There will be a great market for chip planting in humans. D: Dc0tors will make good money by using chips.
- 1
Scientists have invented the brain chip whereby we can download information about people's mind activity.句中whereby可用下列答案代替？ A: whereupon B: whereabout C: by which D: near which
- 2
What do scientists learn about human brain according to the passage A: It is very easy to understand how memory works. B: Memory has a very limited capacity to store information. C: Information stored in the human brain is never lost. D: Very old people seldom remember their childhood.
- 3
What is the proper order, from lower purity to higher purity, of the following types of silicon? A: Metallurgical silicon / monocrystalline silicon / polysilicon B: Monocrystalline silicon / polysilicon / metallurgical silicon C: Metallurgical silicon / polysilicon / monocrystalline silicon D: Polysilicon / metallurgical silicon / monocrystalline silicon
- 4
Which process involves dipping a seed crystal into a molten silicon liquid and pulling it upwards at a specific rotational speed? A: Multicrystalline ingot casting B: Float-zone pulling C: Czochralski casting D: Silicon wire casting