We have compiled very important and most repeated questions for Memory Online MCQs which are asked in academic as well as in different exams. Most importantly our Online MCQs will help you to evaluate and check your knowledge of computer and IT basics. These Computer Knowledge MCQs will help you to crack any competitive or academic exams.
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Memory Online MCQs with Answers
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1.
A nonvolatile type of memory that can be programmed and erased in sectors, rather than one byte at a time is:
flash memory
MPROM
EPROM
EEPROM
None of the above
Correct Ans: flash memory
2.
Memory that loses its contents when power is lost is:
random
volatile
nonvolatile
static
None of the above
Correct Ans: volatile
3. When power is supplied to the system then to maintain data with the life of battery, computer BIOS contains the following.
CMOS
RAM
DRAM
CPU
None of these
Correct Ans: CMOS
4. What is meant by the term RAM?
Memory which only be read
Memory which both read and written
Memory which is used for permanent storage
Memory which can only be written
None of these
Correct Ans: Memory which both read and written
5. The two kind of main memory are
ROM
direct and sequential
primary and secondary
floppy disk and hard disk
None of these
Correct Ans: primary and secondary
6. Which one is the secondary memory device ?
CPU
ALU
floppy disk
Mouse
None of these
Correct Ans: floppy disk
7. Which of the following is an example of non-volatile memory ?
ROM
VLSI
LSI
RAM
None of these
Correct Ans: ROM
8. The term “memory” applies to which one of the following?
Logic
Storage
Control
Input device
None of these
Correct Ans: Storage
9. The word ‘computer’ usually refers to the central processor unit plus
external memory
internal memory
input devices
output devices
None of these
Correct Ans: internal memory
10. What are the two basic types of memory that your computer uses?
RAM/ROM
RW/RAM
ROM
ERAM
None of these
Correct Ans: RAM/ROM
11. Which of the following memories below is often used in typical computer operation?
DRAM
ROM
FDD
HDD
None of these
Correct Ans: DRAM
12. The storage that supplements the primary internal storage of a computer is known as
secondary storage
primary storage
back-end storage
background storage
None of these
Correct Ans: back-end storage
13. ________________ 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.
The Network Interface Card (NIC)
The CUP
RAM
ROM
None of these
Correct Ans: ROM
14. What is the name given to the memory which works on time sharing principle in order to create an illusion of infinite memory space?
Cache memory
Register
Virtual memory
Primary memory
None of these
Correct Ans: Virtual memory
15. Which contents are lost when the computer turns off?
Storage
Input
Output
Memory
None of these
Correct Ans: Memory
16. The following computer’s memory is characterised by low-cost per bit stored _____________
Primary
Secondary
Hard Disk
All of these
None of these
Correct Ans: Secondary
17. A memo data type of access can hold ______________ characters.
31000
32000
33000
34000
None of these
Correct Ans: 32000
18. Which of the following describes the action of storing a bit of data in a mask ROM?
A 1 is stored in a bipolar cell by opening the base connection to the address line.
A 0 is stored in a bipolar cell by shorting the base connection to the address line.
A 1 is stored by connecting the gate of a MOS cell to the address line.
A 0 is stored by connecting the gate of a MOS cell to the address line.
None of these
Correct Ans: A 1 is stored by connecting the gate of a MOS cell to the address line.
19. The main advantage of semiconductor RAM is its ability to:
retain stored data when power is interrupted or turned off
be written to and read from rapidly
be randomly accessed
be sequentially accessed
None of these
Correct Ans: be written to and read from rapidly
20. Which of the following is one of the basic characteristics of DRAMs?
DRAMs must have a constantly changing input.
DRAMs must be periodically refreshed in order to be able to retain data.
DRAMs have a broader “dynamic” storage range than other types of memories.
DRAMs are simpler devices than other types of memories.
None of these
Correct Ans: DRAMs must be periodically refreshed in order to be able to retain data.
21. What is the bit storage capacity of a ROM with a 1024 * 8 organization?
1024
2048
4096
8192
None of these
Correct Ans: 8192
22. L1 is known as ________.
primary cache
secondary cache
DRAM
SRAM
None of these
Correct Ans: primary cache
23. EEPROM stands for ________
encapsulated electrical programmable read-only memory
elementary electrical programmable read-only memory
electrically erasable programmable read-only memory
elementary erasable programmable read-only memory
None of these
Correct Ans: electrically erasable programmable read-only memory
24. To which pin on the RAM chip does the address decoder connect in order to signal which memory chip is being accessed?
The address input
The output enable
The chip enable
The data input
None of these
Correct Ans: The chip enable
25. The ideal memory ________.
has high storage capacity
is nonvolatile
has in-system read and write capacity
has all of the above characteristics
None of these
Correct Ans: has all of the above characteristics
26. How can UV erasable PROMs be recognized?
There is a small window on the chip.
They will have a small violet dot next to the #1 pin.
Their part number always starts with a “U”, such as in U12.
They are not readily identifiable, since they must always be kept under a small cover.
None of these
Correct Ans: There is a small window on the chip.
27. Select the statement that best describes the fusible-link PROM.
user-programmable, one-time programmable
manufacturer-programmable, one-time programmable
user-programmable, reprogrammable
manufacturer-programmable, reprogrammable
None of these
Correct Ans: user-programmable, one-time programmable
28. Which of the following is not a flash memory mode or operation?
Burst
Read
Erase
Programming
None of these
Correct Ans: Burst
29. The mask ROM is ________.
MOS technology
diode technology
resistor-diode technology
DROM technology
None of these
Correct Ans: MOS technology
30. 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?
Eight
Four
Two
One
None of these
Correct Ans: Eight
31. What is the principal advantage of using address multiplexing with DRAM memory?
reduced memory access time
reduced requirement for constant refreshing of the memory contents
reduced pin count and decrease in package size
It eliminates the requirement for a chip-select input line, thereby reducing the pin count.
None of these
Correct Ans: reduced pin count and decrease in package size
32. Which of the following memories is volatile?
ROM
EROM
RAM
Flash
None of these
Correct Ans: RAM
33. Why is a refresh cycle necessary for a dynamic RAM?
to clear the flip-flops
to set the flip-flops
The refresh cycle discharges the capacitor cells.
The refresh cycle keeps the charge on the capacitor cells.
None of these
Correct Ans: The refresh cycle keeps the charge on the capacitor cells.
34. On a CD-ROM, ________ are recessed areas representing a 0.
mounds
lands
holes
pits
None of these
Correct Ans: pits
35. The location of a unit of data in a memory array is called its ________.
storage
RAM
address
data
None of these
Correct Ans: address
36. On a CD-ROM, ________ are raised areas representing a 1.
mounds
lands
holes
pits
None of these
Correct Ans: lands
37. Which of the following faults will the checkerboard pattern test for in RAM?
Short between adjacent cells
Ability to store both 0s and 1s
Dynamically introduced errors between cells
All of the above
None of these
Correct Ans: All of the above
38. Which of the following memories uses a MOS capacitor as its memory cell?
SRAM
DRAM
ROM
FIFO
None of these
Correct Ans: DRAM
39. How many 1K * 4 RAM chips would be required to build a 1K * 8 memory system?
2
4
8
16
None of these
Correct Ans: 2
40. Advantage(s) of an EEPROM over an EPROM is/are:
the EPROM can be erased with ultraviolet light in much less time than an EEPROM
the EEPROM can be erased and reprogrammed without removal from the circuit
the EEPROM has the ability to erase and reprogram individual words
the EEPROM can be erased and reprogrammed without removal from the circuit, and can erase and reprogram individual words
None of these
Correct Ans: the EEPROM can be erased and reprogrammed without removal from the circuit, and can erase and reprogram individual words
41. In general, the ________ have the smallest bit size and the ________ have the largest.
EEPROMs, Flash
SRAM, mask ROM
mask ROM, SRAM
DRAM, PROM
None of these
Correct Ans: EEPROMs, Flash
42. How many address bits are required for a 4096-bit memory organized as a 512 * 8 memory?
2
4
8
9
None of these
Correct Ans: 9
43. Which of the following is NOT a type of memory?
RAM
ROM
FPROM
EEPROM
None of these
Correct Ans: FPROM
44. Which type of ROM can be erased by UV light?
ROM
mask ROM
EPROM
EEPROM
None of these
Correct Ans: EPROM
45. What is the difference between static RAM and dynamic RAM?
Static RAM must be refreshed, dynamic RAM does not.
There is no difference.
Dynamic RAM must be refreshed, static RAM does not.
Both a & b
None of these
Correct Ans: Dynamic RAM must be refreshed, static RAM does not.
46. Which of the following is normally used to initialize a computer system’s hardware?
Bootstrap memory
Volatile memory
External mass memory
Static memory
None of these
Correct Ans: Bootstrap memory
47. The periodic recharging of DRAM memory cells is called ________.
multiplexing
bootstrapping
refreshing
flashing
None of these
Correct Ans: refreshing
48. A major disadvantage of the mask ROM is that it:
is time consuming to change the stored data when system requirements change
is very expensive to change the stored data when system requirements change
cannot be reprogrammed if stored data needs to be changed
has an extremely short life expectancy and requires frequent replacement
None of these
Correct Ans: cannot be reprogrammed if stored data needs to be changed
49. What is the computer main memory?
Hard drive and RAM
CD-ROM and hard drive
RAM and ROM
CMOS and hard drive
None of these
Correct Ans: RAM and ROM
50. Which type of ROM has to be custom built by the factory?
ROM
mask ROM
EPROM
EEPROM
None of these
Correct Ans: mask ROM
51. When a RAM module passes the checkerboard test it is:
able to read and write only 1s.
faulty.
probably good.
able to read and write only 0s.
None of these
Correct Ans: probably good.
52. How many address lines would be required for a 2K * 4 memory chip?
8
10
11
12
None of these
Correct Ans: 11
53. What does the term “random access” mean in terms of memory?
Addresses must be accessed in a specific order.
Any address can be accessed in any order.
Both A & B
Any address is stored for a permanent basis
None of these
Correct Ans: Any address can be accessed in any order.
54. Data is written to and read from the disk via a magnetic ________ head mechanism in the floppy drive.
cylinder
read/write
recordable
cluster
None of these
Correct Ans: read/write
55. Which type of ROM can be erased by an electrical signal?
ROM
mask ROM
EPROM
EEPROM
None of these
Correct Ans: EEPROM
56. Typically, how often is DRAM refreshed?
2 to 8 ms
4 to 16 ms
8 to 16 s
1 to 2 s
None of these
Correct Ans: 4 to 16 ms
57. ROMs retain data when the ________.
power is off
power is on
system is down
all of the above
None of these
Correct Ans: all of the above
58. Which is not part of a hard disk drive?
Spindle
Platter
Read/write head
Valve
None of these
Correct Ans: Valve
59. Dynamic memory cells store a data bit in a ________.
diode
resistor
capacitor
flip-flop
None of these
Correct Ans: capacitor
60. What two functions does a DRAM controller perform?
address multiplexing and data selection
address multiplexing and the refresh operation
data selection and the refresh operation
data selection and CPU accessing
None of these
Correct Ans: address multiplexing and the refresh operation
61. To which pin on the RAM chip does the address decoder connect in order to signal which memory chip is being accessed ____________
The address input
The output enable
The chip enable
The data input
The data output
Correct Ans: The chip enable
62. Which of the following are normally used to initialize a computer system’s hardware ?
Bootstrap memory
Volatile memory
External mass memory
Static memory
Random access memory
Correct Ans: Bootstrap memory
63. DOS floppy disk does not have ____________
A Boot Record
File Allocation Table
A Root Directory
Virtual Memory
BIOS
Correct Ans: BIOS
64. which of the following does ‘DOS’ floppy disk not have?
A Boot Record
A File Allocation Table
A Root Directory
Virtual Memory
BIOS
Correct Ans: Virtual Memory
65. The technique that extends storage capacities of main memory beyond the actual size of the main memory is called ____________
Multitasking
Virtual memory
Multiprocessing
Multiprogramming
switching
Correct Ans: Virtual memory
66. What is Gigabyte?
Flash Memory
An optical storage medium capable of storing vast amount of information
Roughly a trillion bytes
Roughly a million bytes
Roughly a billion bytes
Correct Ans: Roughly a billion bytes
67. A key that will erase information from the computer’s memory and characters on the screen ____________
Edit
Delete key
Dummy out
Trust key
None of these
Correct Ans: Trust key
68. The word ‘Computer’ usually refers to the Central Processor Unit plus _____________
External memory
Internal memory
Input devices
Output devices
None of the above
Correct Ans: Internal memory
69. The minimum time delay required between the initiation of two successive memory operations is known as _____________
memory cycle time
memory access time
transmission time
waiting time
None of the above
Correct Ans: memory cycle time
70. A memory in which the information is stored last is on top & is retrieved first is known as ____________
PROM
Buffer
Stack
RAM
None of the above
Correct Ans: Stack
71. A computer will function only if it ____________
has a control unit
is given input data
has a program in its memory
has software package
None of the above
Correct Ans: has a program in its memory
72. The word “Computer” usually refers to the Central Processing Unit plus ___________
Input Devices
External Memory
Internal Memory
Output Device
None of The Above
Correct Ans: Internal Memory
73. The register which contains the data to be written into or readout of the addressed location is called __________
Index Register
Memory Address Register
Memory Data Register
Memory Index Register
None of The Above
Correct Ans: Memory Data Register
74. The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as _____________
Index Register
Memory Address Register
Program Counter
Program Execution
None of The Above
Correct Ans: Program Counter
75. Which among the following memory is capable of operating at “electronics speed”?
Semiconductor memory
Magnetic Disks
Magnetic Drums
Semiconductor device
None of The Above
Correct Ans: Semiconductor memory
76. Memory _____________
is an device that performs a sequence of operations specified by instructions in memory
is a sequence of instructions
is the device where information is stored
is Hardware
None of The Above
Correct Ans: is a sequence of instructions
77. Virtual Memory is ____________
An extremely large main memory
An extremely large secondary memory.
An illusion of an extremely large memory.
Temporary Memory
None of The Above
Correct Ans: An illusion of an extremely large memory.
78. Which of the following terms is the most closely related to main memory?
nonvolatile
permanent
control unit
temporary
None of the above
Correct Ans: temporary
79. The Principle advantage of adding memory to a printer is to increase ____________
resolution
Print Speed
Number of colors in output
DPI
None of these
Correct Ans: Print Speed
80. To avoid the wastage of memory, the instruction length should be ____________
Multiple of character size only
Of word size only
Of file size only
Of word size which is multiple of character size
None of these
Correct Ans: Of word size which is multiple of character size
81. What is the full form of SDRM?
Shift Dynamic random access memory
Synchronous Dynamic random access memory
System Dynamic random access memory
Serial Dynamic random access memory
None of these
Correct Ans: Synchronous Dynamic random access memory
82. Memory addresses are calculated by an algorithm which is widely known as ___________
Searching
Sorting
Hashing
All of the Above
None of these
Correct Ans: Hashing
83. The means of storing a large amount of data outside the main memory is ___________
Accumulator
Primary store
Auxiliary store
Secondary store
None of these
Correct Ans: Auxiliary store
84. ___________ is the main memory of the computer
ERAM
ROM
RAM
EPROM
None of these
Correct Ans: RAM
85. The technique that extends storage capacities of main memory beyond the actual size of the main memory is called _______.
multitasking
virtual storage
multiprocessing
multiprogramming
switching
Correct Ans: virtual storage
86. The programs and data processed by the CPU are stored in ___________
Internal Memory
External Memory
Mass Memory
Non-volatile memory
None of these
Correct Ans: Non-volatile memory
87. Programs in which of the following memories can’t be erased ?
RAM
ROM
Cache Memory
Virtual Memory
None of these
Correct Ans: ROM
88. The storage element for a static RAM is the ________.
diode
resistor
capacitor
flip-flop
None of these
Correct Ans: flip-flop
89. What is the meaning of RAM, and what is its primary role?
Readily Available Memory; it is the first level of memory used by the computer in all of its operations.
Random Access Memory; it is memory that can be reached by any sub- system within a computer, and at any time.
Random Access Memory; it is the memory used for short-term temporary data storage within the computer.
Resettable Automatic Memory; it is memory that can be used and then automatically reset, or cleared, after being read from or written to.
None of these
Correct Ans: Random Access Memory; it is the memory used for short-term temporary data storage within the computer.
90. How many address bits are needed to select all memory locations in the 2118 16K * 1 RAM?
8
10
14
16
None of these
Correct Ans: 14