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	зависеть от
	to retain the information	b	оперативная память
	to depend upon	c	запоминающее устройство
	hard disk drive	d	случайно, наугад
	random access memory	e	сохраняться
	read only memory	f	менять, видоизменять
	to erase	g	на постоянной основе
	randomly	h	стирать, удалять
	to be retained	i	жесткий диск
	to alter	j	сохранить информацию

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 can’t 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.