76. What does the term "volatile memory" mean?
A) Memory that retains data after power loss
B) Memory that loses data when power is turned off
C) Memory that operates at high speeds
D) Memory used only for storage devices
Answer: B) Memory that loses data when power is turned off
77. Which of the following is NOT considered primary memory?
A) RAM
B) Cache
C) Hard Disk
D) Registers
Answer: C) Hard Disk
78. The main difference between SRAM and DRAM is:
A) SRAM needs refreshing, but DRAM does not
B) DRAM needs refreshing, but SRAM does not
C) DRAM is faster than SRAM
D) SRAM is cheaper than DRAM
Answer: B) DRAM needs refreshing, but SRAM does not
79. Which of the following is an example of optical memory?
A) HDD
B) CD-ROM
C) SRAM
D) Flash Memory
Answer: B) CD-ROM
80. The term "memory access time" refers to:
A) The time taken to transfer data from RAM to CPU
B) The total amount of storage in memory
C) The amount of data processed per second
D) The time taken to access a website
Answer: A) The time taken to transfer data from RAM to CPU
81. Which type of memory is used to store microcontroller firmware?
A) RAM
B) ROM
C) Hard Disk
D) Virtual Memory
Answer: B) ROM
82. What is the purpose of a memory address register (MAR)?
A) Store data temporarily
B) Hold the memory address of data to be accessed
C) Increase memory storage
D) Manage cache memory
Answer: B) Hold the memory address of data to be accessed
83. What is "write-through" cache memory?
A) Data is written to both cache and main memory simultaneously
B) Data is written only to cache memory
C) Data is written only to main memory
D) Data is written after CPU execution
Answer: A) Data is written to both cache and main memory simultaneously
84. What type of memory is commonly used in USB flash drives?
A) ROM
B) SRAM
C) DRAM
D) NAND Flash Memory
Answer: D) NAND Flash Memory
85. Which of the following memory types is non-volatile?
A) RAM
B) ROM
C) DRAM
D) Cache Memory
Answer: B) ROM
86. What is the purpose of error-correcting code (ECC) memory?
A) Increase CPU speed
B) Detect and correct memory errors
C) Reduce power consumption
D) Improve graphics performance
Answer: B) Detect and correct memory errors
87. What type of memory is best for frequently used data?
A) Virtual Memory
B) Cache Memory
C) Secondary Storage
D) EEPROM
Answer: B) Cache Memory
88. What is the full form of DRAM?
A) Dynamic Read Access Memory
B) Direct Random Access Memory
C) Dynamic Random Access Memory
D) Dual Read Access Memory
Answer: C) Dynamic Random Access Memory
89. Which type of memory is used in modern graphics cards?
A) DRAM
B) GDDR
C) EEPROM
D) ROM
Answer: B) GDDR
90. What is the function of the memory management unit (MMU)?
A) Allocate memory to applications
B) Increase cache memory
C) Replace secondary storage
D) Store frequently used instructions
Answer: A) Allocate memory to applications
91. Which type of ROM allows data to be erased electronically and rewritten?
A) PROM
B) EPROM
C) EEPROM
D) Masked ROM
Answer: C) EEPROM
92. Which component holds the instructions currently being executed?
A) RAM
B) CPU Registers
C) Hard Drive
D) Cache Memory
Answer: B) CPU Registers
93. Which of the following is a characteristic of virtual memory?
A) Faster than RAM
B) Slower than RAM
C) Non-volatile
D) Stored on cache memory
Answer: B) Slower than RAM
94. The term "memory cycle time" refers to:
A) The time required to read and then write data
B) The total storage space of memory
C) The time taken to transfer data from CPU to RAM
D) The speed of cache memory
Answer: A) The time required to read and then write data
95. The term "spatial locality" in memory management refers to:
A) Accessing memory locations near recently accessed locations
B) Random access of memory
C) Deleting unused memory locations
D) Allocating more cache memory
Answer: A) Accessing memory locations near recently accessed locations
96. Which of the following is NOT an advantage of SSD over HDD?
A) Faster read and write speeds
B) Higher durability
C) Uses moving parts for data storage
D) Lower power consumption
Answer: C) Uses moving parts for data storage
97. Which memory is erased when a computer is turned off?
A) ROM
B) RAM
C) Flash Memory
D) EEPROM
Answer: B) RAM
98. What type of memory is used for BIOS updates?
A) SRAM
B) EEPROM
C) DRAM
D) Virtual Memory
Answer: B) EEPROM
99. What is the main advantage of L2 cache over main memory?
A) L2 cache is non-volatile
B) L2 cache is faster
C) L2 cache is cheaper
D) L2 cache is stored on a hard disk
Answer: B) L2 cache is faster
100. Which type of memory is used in SSDs to store data?
A) SRAM
B) Flash Memory
C) ROM
D) Magnetic Tape
Answer: B) Flash Memory
