Computer Memory - IBPS Clerk & PO Questions and Answers | Basic Computer Knowledge

1.

Which type of ROM has to be custom built by the factory?

   A.) ROM
   B.) EPROM
   C.) mask ROM
   D.) EEPROM

Answer: Option 'C'

mask ROM

2.

Data is written to and read from the disk via a magnetic ________ head mechanism in the floppy drive.

   A.) cylinder
   B.) read/write
   C.) cluster
   D.) recordable

Answer: Option 'B'

read/write

3.

How many 1K * 4 RAM chips would be required to build a 1K * 8 memory system?

   A.) 2
   B.) 4
   C.) 8
   D.) 16

Answer: Option 'A'

2

4.

How many 8 k * 1 RAMs are required to achieve a memory with a word capacity of 8 k and a word length of eight bits?

   A.) Eight
   B.) TwoFour
   C.) Four
   D.) One

Answer: Option 'A'

Eight

5.

Which of the following is one of the basic characteristics of DRAMs?

   A.) DRAMs must have a constantly changing input.
   B.) DRAMs have a broader "dynamic" storage range than other types of memories.
   C.) DRAMs must be periodically refreshed in order to be able to retain data.
   D.) DRAMs are simpler devices than other types of memories.

Answer: Option 'C'

DRAMs must be periodically refreshed in order to be able to retain data.

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