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Exercise 1. Answer the following questions. 1. What is computer memory used for?




 

1. What is computer memory used for?

2. What are the main types of the computer memory?

3. What is RAM?

4. What is the difference between RAM and ROM?

5. Can we say that modern random memory devices are random memory devices as such? Why?

6. What are the main forms of RAM?

7. Why are secondary devices so popular nowadays?

Exercise 2. Match English words and word combinations with their Russian equivalents.

 

  on a permanent basis a
  to retain the information b
  to depend upon c
  hard disk drive d ,
  random access memory e
  read only memory f ,
  to erase g
  randomly h ,
  to be retained i
  to alter j

 

Exercise 3. Match the words which are very close in their meaning.

  responsible a to change
  to turn off b device
  to store c to delete
  permanent d momentary
  randomly e to switch off
  to include f to hold
  machine g constant
  to erase h by chance
  to alter i to comprise
  temporary j answerable

 

Exercise 4. Match the words with the opposite meaning.

 

  temporary a to turn on
  to turn off b irresponsible
  to erase c to exclude
  responsible d permanent
  to include e to imprint
  basis f top

 

Exercise 5. Match the words from the box with the pictures.

 

Floppy disk Hard disk drive Magnetic tape Optical drives Punch cards Flash drives Punch tapes

1 _________________ 2 __________________

 

 

3. _______________________ 4. ________________________

5. ________________________ 6. ___________________________

 

7. _________________________________

Exercise 6. Make all possible word combinations from the words given below.

 

magnetic drive
floppy data
hard disk system
computer Memory
electronic tape
to store device
operating disk
primary memory
everyday usage

 

Exercise 7. Mark the sentences: True/False/ No information

 

1. Computer main memory comes in two principal varieties: random-access memory or RAM and read-only memory or ROM.

2. RAM can be read and written to anytime the CPU commands it.

3. The contents of RAM are erased when the power to the computer is turned off.

4. Most modern computers cant use an embedded RAM circuitry on the motherboard.

5. ROM is pre-loaded with data and software that never changes.

6. In embedded computers, which frequently do not have disk drives, all of the required software may be stored in ROM.

7. Software stored in ROM is often called firmware, because it is notionally more like hardware than software.

8. In more sophisticated computers there may be one or more RAM cache memories, which are slower than registers but faster than main memory.

 





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