Computer Science Online Test

1)The most advanced form of ROM is?
PROM
RAM
Cache memory
EEPROM


2)A byte represents a group of?
20 bits
2 bits
40 bits
8 bits


3)Which is the volatile memory?
RAM
EEPROM
EPROM
ROM
4)The result of an arithmatic and logical operations are stored in?
Accumulator
Instructions register
Cache memory
Rom


5)Inspite of the extra power needed for refreshing , DRAMs are widely used in computers because?
Of the lower cost of bus
Of it is a lower cost relative to SRAMs
Of case of programming
Of it is a higher speed relative to SRAMs