50+ Top Computer Memory Questions and Answers with PDF Set-2 - Computer Memory
Computer Memory MCQS
Set-2
1. On a
CD-ROM, ________ are raised areas representing a 1.
A.) mounds
B.) lands
C.) holes
D.) pits
2.
Which of
the following memories uses a MOS capacitor as its memory cell?
A.) SRAM
B.) DRAM
C.) FIFO
D.) ROM
3.
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
4.
A major
disadvantage of the mask ROM is that it:
A.) is
time consuming to change the stored data when system requirements change
B.) cannot
be reprogrammed if stored data needs to be changed
C.) is
very expensive to change the stored data when system requirements change
D.) has
an extremely short life expectancy and requires frequent replacement
5.
Which
type of ROM has to be custom built by the factory?
A.) ROM
B.) EPROM
C.) mask
ROM
D.) EEPROM
6.
What are
the two basic types of memory that your computer uses?
A.) RAM/ROM
B.) RW/RAM
C.) ERAM
D.) ROM
7.
What is
the name given to the memory which works on time sharing principle in order to
create an illusion of infinite memory space?
A.) Cache
memory
B.) Register
C.) Virtual
memory
D.) Primary
memory
8.
EEPROM
stands for ________
A.) electrically
erasable programmable read-only memory
B.) encapsulated
electrical programmable read-only memory
C.) elementary
electrical programmable read-only memory
D.) elementary
erasable programmable read-only memory
9.
The main
advantage of semiconductor RAM is its ability to:
A.) retain
stored data when power is interrupted or turned off
B.) be
randomly accessed
C.) be
written to and read from rapidly
D.) be
sequentially accessed
10.
The ideal
memory ________.
A.) has
high storage capacity
B.) has
in-system read and write capacity
C.) is
non-volatile
D.) has
all of the above characteristics
11.
A non-volatile
type of memory that can be programmed and erased in sectors, rather than one
byte at a time is:
A.) flash
memory
B.) EPROM
C.) EEPROM
D.) MPROM
12.
The two
kind of main memory are
A.) ROM
B.) floppy
disk and hard disk
C.) primary
and secondary
D.) direct
and sequential
13.
What is
meant by the term RAM?
A.) Memory
which only be read
B.) Memory
which can only be written
C.) Memory
which both read and written
D.) Memory
which is used for permanent storage
Show
Answer
Answer:
Option 'C'
Memory
which both read and written
14.
How many
1K * 4 RAM chips would be required to build a 1K * 8 memory system?
A.) 2
B.) 4
C.) 8
D.) 16
15.
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
16.
The word
'computer' usually refers to the central processor unit plus
A.) external
memory
B.) internal
memory
C.) input
devices
D.) output
devices
17.
Why is a
refresh cycle necessary for a dynamic RAM?
A.) to
clear the flip-flops
B.) The
refresh cycle discharges the capacitor cells.
C.) to
set the flip-flops
D.) The
refresh cycle keeps the charge on the capacitor cells.
18.
Which is
not part of a hard disk drive?
A.) Spindle
B.) Read/write
head
C.) Platter
D.) Valve
19.
_______________
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
20.
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.
21. 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
22.
The main
advantage of semiconductor RAM is its ability to:
A.) retain
stored data when power is interrupted or turned off
B.) be
randomly accessed
C.) be
written to and read from rapidly
D.) be
sequentially accessed
23.
What is
the bit storage capacity of a ROM with a 1024 * 8 organization?
A.) 1024
B.) 8192
C.) 2048
D.) 4096
24.
The
periodic recharging of DRAM memory cells is called ________.
A.) refreshing
B.) multiplexing
C.) bootstrapping
D.) flashing
25.
The
location of a unit of data in a memory array is called its ________.
A.) storage
B.) address
C.) RAM
D.) data
26.
When
power is supplied to the system then to maintain data with the life of battery,
computer BIOS contains the following.
A.) CMOS
B.) CPU
C.) RAM
D.) DRAM
27.
Which of
the following memories is volatile?
A.) ROM
B.) EROM
C.) RAM
D.) Flash
28.
Which of
the following is not a flash memory mode or operation?
A.) Erase
B.) Burst
C.) Read
D.) Programming
29.
EEPROM
stands for ________
A.) electrically
erasable programmable read-only memory
B.) encapsulated
electrical programmable read-only memory
C.) elementary
electrical programmable read-only memory
D.) elementary
erasable programmable read-only memory
30.
Select
the statement that best describes the fusible-link PROM.
A.) user-programmable,
one-time programmable
B.) manufacturer-programmable,
one-time programmable
C.) manufacturer-programmable,
reprogrammable
D.) user-programmable,
reprogrammable
31.
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
32.
ROMs
retain data when the ________.
A.) power
is off
B.) power
is on
C.) system
is down
D.) all
of the above
33.
Dynamic
memory cells store a data bit in a ________.
A.) diode
B.) capacitor
C.) resistor
D.) flip-flop
34.
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
35.
The mask
ROM is ________.
A.) MOS
technology
B.) diode
technology
C.) resistor-diode
technology
D.) DROM
technology
36.
Which of
the following describes the action of storing a bit of data in a mask ROM?
A.) A 1
is stored in a bipolar cell by opening the base connection to the address line.
B.) A 1
is stored by connecting the gate of a MOS cell to the address line
C.) A 0
is stored in a bipolar cell by shorting the base connection to the address
line.
D.) A 0
is stored by connecting the gate of a MOS cell to the address line.
37.
Which is
not part of a hard disk drive?
A.) Spindle
B.) Read/write
head
C.) Platter
D.) Valve
38.
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
39.
What are
the two basic types of memory that your computer uses?
A.) RAM/ROM
B.) RW/RAM
C.) ERAM
D.) ROM
40.
A memo
data type of access can hold ______________ characters.
A.) 33000
B.) 32000
C.) 31000
D.) 34000
41. Which
of the following is not a flash memory mode or operation?
A.) Erase
B.) Burst
C.) Read
D.) Programming
42.
EEPROM
stands for ________
A.) electrically
erasable programmable read-only memory
B.) encapsulated
electrical programmable read-only memory
C.) elementary
electrical programmable read-only memory
D.) elementary
erasable programmable read-only memory
43.
Which
contents are lost when the computer turns off?
A.) Storage
B.) Memory
C.) Input
D.) Output
44.
When a
RAM module passes the checkerboard test it is:
A.) able
to read and write only 1s.
B.) faulty.
C.) probably
good.
D.) able
to read and write only 0s.
45.
Which of
the following is NOT a type of memory?
A.) RAM
B.) FPROM
C.) EEPROM
D.) ROM
46.
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.) Two-Four
C.) Four
D.) One
47.
Select
the statement that best describes the fusible-link PROM.
A.) user-programmable,
one-time programmable
B.) manufacturer-programmable,
one-time programmable
C.) manufacturer-programmable,
reprogrammable
D.) user-programmable,
reprogrammable
48.
In
general, the ________ have the smallest bit size and the ________ have the
largest.
A.) EEPROMs,
Flash
B.) SRAM,
mask ROM
C.) DRAM,
PROM
D.) mask
ROM, SRAM
49.
The main
advantage of semiconductor RAM is its ability to:
A.) retain
stored data when power is interrupted or turned off
B.) be
randomly accessed
C.) be
written to and read from rapidly
D.) be
sequentially accessed
50.
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.
51.
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
52.
A major
disadvantage of the mask ROM is that it:
A.) is
time consuming to change the stored data when system requirements change
B.) cannot
be reprogrammed if stored data needs to be changed
C.) is
very expensive to change the stored data when system requirements change
D.) has
an extremely short life expectancy and requires frequent replacement
53.
What are
the two basic types of memory that your computer uses?
A.) RAM/ROM
B.) RW/RAM
C.) ERAM
D.) ROM
54.
The
periodic recharging of DRAM memory cells is called ________.
A.) refreshing
B.) multiplexing
C.) bootstrapping
D.) flashing
55.
What is
meant by the term RAM?
A.) Memory
which only be read
B.) Memory
which can only be written
C.) Memory
which both read and written
D.) Memory
which is used for permanent storage
56.
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
57.
L1 is
known as ________.
A.) primary
cache
B.) DRAM
C.) secondary
cache
D.) SRAM
58.
On a
CD-ROM, ________ are raised areas representing a 1.
A.) mounds
B.) lands
C.) holes
D.) pits
Answer Sheet
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