CSS - PMS - CCE - PCS - General Science
ROM
Why is modern firmware often stored in flash rather than fixed mask ROM?
A. Flash can be updated electrically
B. Flash is always faster than CPU registers
C. Flash requires no hardware
D. Mask ROM cannot store bits
Correct Answer: A
Reprogrammable flash allows bug fixes and feature updates.
CSS - PMS - CCE - PCS - General Science
ROM
What is firmware?
A. A website
B. A spreadsheet formula
C. A physical cable
D. Low-level software stored in nonvolatile memory that controls or initializes hardware
Correct Answer: D
Firmware provides persistent control code for hardware devices.
CSS - PMS - CCE - PCS - General Science
ROM
Which retains data after power is removed: RAM or ROM?
A. RAM only
B. Neither
C. ROM
D. Both always lose data
Correct Answer: C
ROM is nonvolatile, whereas ordinary system RAM is volatile.
CSS - PMS - CCE - PCS - General Science
ROM
How does flash memory relate to EEPROM?
A. Flash is volatile RAM only
B. Flash is a form of electrically erasable nonvolatile memory
C. Flash is a mechanical disk
D. Flash cannot be rewritten
Correct Answer: B
Flash memory erases and writes data in blocks and is widely used for storage and firmware.
CSS - PMS - CCE - PCS - General Science
ROM
What does EEPROM stand for?
A. External Erase Output Memory
B. Enhanced Program Operation Module
C. Electrically Erasable Programmable Read-Only Memory
D. Electronic Extended RAM
Correct Answer: C
EEPROM can be electrically erased and rewritten.
CSS - PMS - CCE - PCS - General Science
ROM
What does EPROM stand for?
A. Electronic Primary Random Output Memory
B. External Program Readout Memory
C. Extended Processing RAM Module
D. Erasable Programmable Read-Only Memory
Correct Answer: D
EPROM can be erased, traditionally using ultraviolet light, and reprogrammed.
CSS - PMS - CCE - PCS - General Science
ROM
What does PROM stand for?
A. Programmed RAM Only Memory
B. Protected Read Online Module
C. Programmable Read-Only Memory
D. Primary Random Output Memory
Correct Answer: C
PROM can be programmed after manufacture, typically once.
CSS - PMS - CCE - PCS - General Science
ROM
What is ROM commonly used to store?
A. Active program variables only
B. Only temporary user documents
C. Internet bandwidth
D. Firmware or startup instructions
Correct Answer: D
Firmware such as boot code is stored in nonvolatile memory.
CSS - PMS - CCE - PCS - General Science
ROM
Is ROM generally volatile?
A. Only in laptops
B. Only when online
C. Yes, it always loses data when power is off
D. No
Correct Answer: D
ROM and related nonvolatile memories retain data without continuous power.
CSS - PMS - CCE - PCS - General Science
ROM
What does ROM stand for?
A. Random Output Memory
B. Read-Only Memory
C. Rapid Online Memory
D. Remote Operating Module
Correct Answer: B
ROM refers to nonvolatile memory traditionally intended mainly for reading.