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

1.

What are the two basic types of memory that your computer uses?

   A.) RAM/ROM
   B.) RW/RAM
   C.) ERAM
   D.) ROM

Answer: Option 'A'

RAM/ROM

2.

_______________ is a form of permanent memory that holds all the instructions the computer needs to start up and does not get erased when the power is turned off.

   A.) The Network Interface Card (NIC)
   B.) RAM
   C.) ROM
   D.) The CUP

Answer: Option 'C'

ROM

3.

The term “memory” applies to which one of the following?

   A.) Logic
   B.) Storage
   C.) Control
   D.) Input device

Answer: Option 'B'

Storage

4.

What is the difference between static RAM and dynamic RAM?

   A.) Static RAM must be refreshed, dynamic RAM does not.
   B.) Dynamic RAM must be refreshed, static RAM does not.
   C.) There is no difference.
   D.) Both a & b

Answer: Option 'B'

Dynamic RAM must be refreshed, static RAM does not.

5.

The location of a unit of data in a memory array is called its ________.

   A.) storage
   B.) address
   C.) RAM
   D.) data

Answer: Option 'B'

address

6.

Which contents are lost when the computer turns off?

   A.) Storage
   B.) Memory
   C.) Input
   D.) Output

Answer: Option 'B'

Memory

7.

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

8.

What two functions does a DRAM controller perform?

   A.) address multiplexing and data selection
   B.) data selection and the refresh operation
   C.) address multiplexing and the refresh operation
   D.) data selection and CPU accessing

Answer: Option 'C'

address multiplexing and the refresh operation

9.

What is the principal advantage of using address multiplexing with DRAM memory?

   A.) reduced memory access time
   B.) reduced requirement for constant refreshing of the memory contents
   C.) It eliminates the requirement for a chip-select input line, thereby reducing the pin count.
   D.) reduced pin count and decrease in package size

Answer: Option 'D'

reduced pin count and decrease in package size

10.

How can UV erasable PROMs be recognized?

   A.) They will have a small violet dot next to the #1 pin.
   B.) There is a small window on the chip.
   C.) Their part number always starts with a "U", such as in U12.
   D.) They are not readily identifiable, since they must always be kept under a small cover.

Answer: Option 'B'

There is a small window on the chip.

11.

Which type of ROM can be erased by an electrical signal?

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

Answer: Option 'D'

EEPROM

12.

The ideal memory ________.

   A.) has high storage capacity
   B.) has in-system read and write capacity
   C.) is nonvolatile
   D.) has all of the above characteristics

Answer: Option 'D'

has all of the above characteristics

13.

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

14.

How many address bits are required for a 4096-bit memory organized as a 512 * 8 memory?

   A.) 2
   B.) 4
   C.) 8
   D.) 9

Answer: Option 'D'

9

15.

Which of the following is not a flash memory mode or operation?

   A.) Erase
   B.) Burst
   C.) Read
   D.) Programming

Answer: Option 'B'

Burst

16.

Which is not part of a hard disk drive?

   A.) Spindle
   B.) Read/write head
   C.) Platter
   D.) Valve

Answer: Option 'D'

Valve

17.

Advantage(s) of an EEPROM over an EPROM is/are:

   A.) the EEPROM has the ability to erase and reprogram individual words
   B.) the EPROM can be erased with ultraviolet light in much less time than an EEPROM
   C.) the EEPROM can be erased and reprogrammed without removal from the circuit
   D.) the EEPROM can be erased and reprogrammed without removal from the circuit, and can erase and reprogram individual words

Answer: Option 'D'

the EEPROM can be erased and reprogrammed without removal from the circuit, and can erase and reprogram individual words

18.

What does the term "random access" mean in terms of memory?

   A.) Addresses must be accessed in a specific order.
   B.) Any address can be accessed in any order.
   C.) Both A & B
   D.) Any address is stored for a permanent basis

Answer: Option 'B'

Any address can be accessed in any order.

19.

Which one is the secondary memory device ?

   A.) CPU
   B.) ALU
   C.) floppy disk
   D.) Mouse

Answer: Option 'C'

floppy disk

20.

The two kind of main memory are

   A.) ROM
   B.) floppy disk and hard disk
   C.) primary and secondary
   D.) direct and sequential

Answer: Option 'C'

primary and secondary


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