Read-Only Memory (ROM)

What does ROM stand for?

a) Random Operation Memory
b) Read-Only Memory
c) Real-Operation Memory
d) Read-Operation Memory
Answer: b) Read-Only Memory
Which type of memory is non-volatile and cannot be easily modified?

a) RAM
b) ROM
c) Cache
d) Register
Answer: b) ROM
Which of the following is a characteristic of ROM?

a) Data can be easily modified
b) Data is lost when power is turned off
c) Data is permanently written during manufacturing
d) It is used for temporary storage
Answer: c) Data is permanently written during manufacturing
What is the primary use of ROM in a computer system?

a) Storing user data
b) Storing the operating system
c) Storing firmware
d) Storing temporary files
Answer: c) Storing firmware
Which type of ROM can be erased by exposing it to ultraviolet light?

a) PROM
b) EPROM
c) EEPROM
d) Flash ROM
Answer: b) EPROM
Which type of ROM can be electrically erased and reprogrammed?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: c) EEPROM
What does PROM stand for?

a) Programmable Read-Only Memory
b) Primary Read-Only Memory
c) Permanent Read-Only Memory
d) Practical Read-Only Memory
Answer: a) Programmable Read-Only Memory
How is data written to a PROM?

a) Using electrical pulses
b) Using ultraviolet light
c) During manufacturing
d) By the end-user
Answer: a) Using electrical pulses
Which ROM type is typically programmed at the time of manufacturing and cannot be reprogrammed?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: d) Mask ROM
What does EEPROM stand for?

a) Electrically Erasable Programmable Read-Only Memory
b) Easily Erasable Programmable Read-Only Memory
c) Enhanced Erasable Programmable Read-Only Memory
d) Embedded Erasable Programmable Read-Only Memory
Answer: a) Electrically Erasable Programmable Read-Only Memory
Which ROM type can be erased and rewritten without removing it from the circuit?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: c) EEPROM
Which ROM type is commonly used in BIOS chips?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: c) EEPROM
In which ROM type does the erasure process involve using a special device that emits UV light?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: b) EPROM
Which of the following is not a characteristic of ROM?

a) Non-volatile
b) Writable multiple times
c) Permanent data storage
d) Used for firmware
Answer: b) Writable multiple times
Which type of ROM is typically used for storing a computer’s firmware or bootloader?

a) PROM
b) EPROM
c) EEPROM
d) All of the above
Answer: d) All of the above
Which type of ROM is often used in embedded systems due to its reprogrammability and non-volatility?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: c) EEPROM
Which ROM type requires a higher voltage to program than to read?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: a) PROM
What is the main advantage of using EEPROM over EPROM?

a) Faster read speeds
b) Larger storage capacity
c) Electrical erasability
d) Lower cost
Answer: c) Electrical erasability
Which ROM type provides the best data security, as it cannot be reprogrammed or altered?

a) PROM
b) EPROM
c) EEPROM
d) Mask ROM
Answer: d) Mask ROM
In what scenario is Mask ROM most suitable?

a) When the data needs to be frequently updated
b) When the data is fixed and does not need to change
c) When temporary storage is required
d) When high-speed read and write operations are needed
Answer: b) When the data is fixed and does not need to change

MCQs of Digital Logic Design (DLD)

Introduction to Digital Systems

1. Analog vs. Digital signals MCQs
2. Binary numbers and arithmetic MCQs
3. Logic levels and noise margins MCQs

Boolean Algebra

1. Basic logic operations (AND, OR, NOT) MCQ
2. Laws and theorems of Boolean algebra MCQ
3. De Morgan’s Theorems MCQ
4. Canonical forms (Sum of Products, Product of Sums) MCQ
5. Simplification techniques (Karnaugh Maps, Quine-McCluskey method) MCQ

Combinational Logic

Logic Gates

1. Basic gates (AND, OR, NOT) Gat MCQ
2. Universal gates (NAND, NOR) Gat MCQs
3. XOR and XNOR gates MCQ

Combinational Circuits

1. Design and analysis of combinational circuits MCQ
2. Multiplexers and Demultiplexers MCQ
3. Encoders and Decoders MCQ
4. Binary Adders (Half adder, Full adder) MCQ
5. Subtractors and Arithmetic Logic Units (ALU) MCQ
6. Comparators MCQ in DLD

Sequential Logic

Flip-Flops and Latches

1. SR Latch, D Latch MCQ
2. Flip-Flops (SR, D, JK, T) MCQ
3. Characteristic equations and excitation tables MCQ
4. Edge-triggered vs. level-triggered devices MCQ

Counters and Registers

1. Synchronous, Asynchronous (ripple), Up/Down counters MCQs
2. Shift registers (SIPO, PISO, SISO, PIPO) MCQs

State Machines

Finite State Machines (FSMs)

1. Moore and Mealy machines MCQs

Memory and Programmable Logic MCQs

Memory Devices

1. Read-Only Memory (ROM)
2. Random Access Memory (RAM)
3. Programmable Logic Devices (PLDs) MCQs
4. Field Programmable Gate Arrays (FPGAs) MCQs

More MCQs of Digital Logic Design (DLD)

• • SET 1: DLD MCQs with answers (dld mcqs with answers)
  • SET 2: DLD MCQs (dld basic mcqs)
  • SET 3: DLD MCQs (solved mcqs of dld)
  • SET 4: DLD MCQs (dld repeated mcqs)
  • SET 5: DLD MCQs (dld important mcqs)
  • SET 6:DLD MCQs DLD Solved MCQs Answers PDF

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