COA Lab
Q1. Which type of ROM can be erased using ultraviolet light?
a) EEPROM
b) Mask ROM
c) PROM
d) EPROM
Q2. What is the primary characteristic of ROM?
a) Data can be modified frequently
b) Data is non-volatile and read-only
c) Data is erased when the power is turned off
d) Data can only be written using electrical signals
Q3. Which component in ROM selects the memory location to be read?
a) Data lines
b) Decoder circuit
c) Output enable signal
d) Memory cells
Q4. In which application is ROM commonly used?
a) Temporary data storage during processing
b) Storing operating system dynamically
c) Storing system firmware and bootloader
d) Storing cache memory for faster operations
Q5. How many memory locations can be addressed with 10 address lines in a ROM?
a) 1024
b) 512
c) 2048
d) 256