CSS - PMS - CCE - PCS - General Science
Search Engines
What is ranking in a search engine?
A. Ordering results according to estimated relevance and other quality signals
B. Alphabetizing every website only
C. Deleting old websites automatically
D. Increasing screen resolution
Correct Answer: A
Ranking systems score and order candidate results.
CSS - PMS - CCE - PCS - General Science
Search Engines
What is a search query?
A. The words or expression entered by a user to find information
B. A CPU instruction
C. A malware signature
D. A file compression ratio
Correct Answer: A
Queries express the user's information need.
CSS - PMS - CCE - PCS - General Science
Search Engines
What is a search index?
A. A structured database used to quickly retrieve documents matching queries
B. A monitor brightness setting
C. A network password
D. A physical book only
Correct Answer: A
Indexes map terms and other signals to documents for efficient search.
CSS - PMS - CCE - PCS - General Science
Search Engines
What is web crawling?
A. Automated discovery and retrieval of web pages by crawler software
B. Changing CPU speed
C. Manual printing of websites
D. Encrypting every webpage
Correct Answer: A
Crawlers follow links and fetch pages for indexing.
CSS - PMS - CCE - PCS - General Science
Search Engines
What is a search engine?
A. A physical computer fan
B. A system that indexes information and retrieves results relevant to user queries
C. An operating system kernel
D. A spreadsheet cell
Correct Answer: B
Search engines crawl or ingest information, build indexes and rank results.
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.
CSS - PMS - CCE - PCS - General Science
RAM
What unit is commonly used to express RAM capacity in modern computers?
A. Hertz only
B. Meters
C. Gigabytes
D. Volts only
Correct Answer: C
Consumer RAM capacity is commonly measured in gigabytes.
CSS - PMS - CCE - PCS - General Science
RAM
What can happen if a computer has insufficient RAM for active workloads?
A. Internet addresses disappear
B. The monitor becomes larger
C. The CPU stops having instructions permanently
D. The system may rely more on slower storage-based virtual memory and performance may drop
Correct Answer: D
Paging to disk or SSD is much slower than using RAM.
CSS - PMS - CCE - PCS - General Science
RAM
Which type of RAM is commonly used as main system memory?
A. DRAM
B. Blu-ray
C. PROM
D. SRAM only
Correct Answer: A
DRAM provides high density and lower cost for main memory.
CSS - PMS - CCE - PCS - General Science
RAM
Which type of RAM is commonly used for CPU caches?
A. DRAM only
B. Optical memory
C. SRAM
D. ROM
Correct Answer: C
SRAM is faster and more expensive per bit, making it suitable for cache memory.
CSS - PMS - CCE - PCS - General Science
RAM
What does SRAM stand for?
A. Static Random Access Memory
B. Serial Read Access Memory
C. Storage Randomized Access Memory
D. System Remote Allocation Memory
Correct Answer: A
SRAM uses flip-flop circuits and does not require periodic refresh while powered.