1. Hard drives used as memory in computers ………and have more chance of failure than solid state memory that doesn't have any moving parts.
a) consume less power
b) consume more power
c)consume little power
2. Solid-state computer memory has become popular ……. This solid-state computer memory take up less space, uses less battery power, and is less likely to be damaged if the device is dropped.
a) on large computers, such as PC.
b) on smaller computers, such as tablets.
c)on different computers.
3. Flash memory manufacturers use nanolithography techniques to build memory chips with minimum feature sizes ………….
a) as small as 10 nm
b) as small as 15 nm
c)as small as 20 nm
4. Researchers have demonstrated ……………………….
a) parallel flash transistors.
b) vertical flash transistors.
c)perpendicularflash transistors.
5. Researchers suggest that the memory cell density could be ………… than for planar transistors.
a) 8 to 28 times higher
b) 8 to 18 times higher
c)8 to 16 times higher
6. Hewett Packard is developing a memory device that uses …………..
a) nanowires coated with titanium dioxide.
b) nanowires coated with titanium oxide.
c) nanowires coated with magnum dioxide.
7. A memristor can be used as a single-component memory cell in an integrated circuit. By reducing the diameter of the nanowires, researchers believe memristor memory chips can achieve ……than flash memory chips.
a) lower memory density
b) higher memory density
c) greater memory density
8. Magnetic nanowires made of ……are being used to create dense memory devices.
a) an alloy of steel and nickel
b) an alloy of iron and nickel
c) an alloy of titanum and nickel
9. Researchers at IBM have developed ……….. to magnetize sections of these nanowires.
a) an approach
b) a method
c) a methodology
10. By applying a current they can move the magnetized sections along the length of the wire. As the magnetized sections move along the wire, the data …………. by a stationary sensor.
a) is read
b) is used
c) is written
Match the following words and word combinations with their definitions. Find the given words in the text and use them in sentences of your own
| 1. Array 2. Battery power 3. Current 4. Diameter 5. Flash memory 6. Hard drive 7. Magnetic 8. Memory 9. Memory cell 10. Memory chips 11. Memristor 12. Multiple layer 13. Nanodots 14. Nanowires 15. Race track 16. Solid state memory 17. Tablet 18. Voltage | a) a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power; b) a disk drive used to read from and write to a hard disk; c) a flow of electricity which results from the ordered directional movement of electrically charged particles; d) a long-lived lymphocyte capable of responding to a particular antigen on its reintroduction, long after the exposure that prompted its production; e) a microscopiccluster of several hundrednickel atoms that can be used to store extremely large amounts of data in a computer chip; f) a mobile computing device that has a flat, rectangular form like that of a magazine or pad of paper; g) a non-linear passive two-terminal electrical component considered to be the fourth fundamental electrical circuit element; h) a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere; i) a tiny wafer of semiconducting material in which data or program instructions can be stored for retrieval; j) a type of computer storage media made from siliconmicrochips; k) a wire with a thickness or diameter of only a few nanometers; l) an electromotive force or potential difference expressed in volts; m) an electronic (solid-state) non-volatilecomputer storage medium that can be electrically erased and reprogrammed; n) an impressive display or range of a particular type of thing; o) an oval course for racing; p) exhibiting or relating to magnetism; q) he faculty by which the mind stores and remembers information; r) relating to or consisting of several or many layers; |
Translate the following words and word combinations into Russian. Write a short summary of the text with the help of the following words
Hard drives, memory, solid state, popular on smaller computers, such as tablets, a type of transistor called flash, manufacturers, to build memory chips,vertical flash transistors, memory cells,planar transistors, nanowires coated with titanium dioxide, nanowires, a memristor, a single-component memory cell, a method to magnetize sections, race track memory, to create low-cost, high-density, and highly reliable memory chips.