Q301. Which type of memory is non-volatile and can be electrically erased and reprogrammed?
A) RAM
B) EEPROM
C) Cache
D) Registers
Answer: B

Q302. Which computer device is used to detect and remove viruses?
A) Firewall
B) Antivirus Software
C) BIOS
D) OS
Answer: B

Q303. Which device helps visually impaired users read text?
A) Braille Display
B) Monitor
C) Keyboard
D) Printer
Answer: A

Q304. Which generation of computers was based on integrated circuits?
A) First
B) Second
C) Third
D) Fourth
Answer: C

Q305. Which type of printer creates characters by striking pins on an ink ribbon?
A) Dot Matrix
B) Laser Printer
C) Inkjet Printer
D) Plotter
Answer: A

Q306. Which device reads data in the form of magnetic ink characters?
A) OCR
B) OMR
C) MICR
D) Barcode Reader
Answer: C

Q307. The first step in the instruction cycle is?
A) Execute
B) Decode
C) Fetch
D) Store
Answer: C

Q308. Which memory is directly accessible by the CPU?
A) RAM
B) Hard Disk
C) Flash
D) Secondary Memory
Answer: A

Q309. Which device converts digital signals into analog signals for communication?
A) ADC
B) DAC
C) Modem
D) Scanner
Answer: C

Q310. Which type of computer is primarily used for gaming and personal use?
A) Mainframe
B) Microcomputer
C) Supercomputer
D) Minicomputer
Answer: B

Q311. Which unit of the CPU executes instructions?
A) ALU
B) Control Unit
C) Register
D) Memory Unit
Answer: B

Q312. Which of the following is temporary storage used for active processes?
A) Hard Disk
B) ROM
C) RAM
D) Flash
Answer: C

Q313. Which generation of computers first used microprocessors?
A) Third
B) Fourth
C) Fifth
D) Sixth
Answer: B

Q314. Which storage device has no moving parts and is faster than HDD?
A) Hard Disk
B) SSD
C) CD-ROM
D) Floppy Disk
Answer: B

Q315. Which input device converts hand-drawn sketches to digital format?
A) Graphics Tablet
B) Keyboard
C) Mouse
D) Joystick
Answer: A

Q316. Which device outputs images or text on paper?
A) Monitor
B) Printer
C) Touch Screen
D) Plotter
Answer: B

Q317. Which memory stores BIOS instructions permanently?
A) RAM
B) ROM
C) Cache
D) Register
Answer: B

Q318. Which logic gate outputs 1 only when both inputs are 1?
A) AND
B) OR
C) XOR
D) NAND
Answer: A

Q319. Which CPU component performs arithmetic operations?
A) ALU
B) Control Unit
C) Cache
D) Register
Answer: A

Q320. Which type of memory is used for cache?
A) SRAM
B) DRAM
C) ROM
D) Flash
Answer: A

Q321. Which input device is used for multiple-choice tests?
A) OCR
B) OMR
C) MICR
D) Barcode Reader
Answer: B

Q322. Which type of memory retains data without power?
A) RAM
B) ROM
C) Cache
D) Register
Answer: B

Q323. Which device displays graphical output on a large screen?
A) Projector
B) Monitor
C) Printer
D) Plotter
Answer: A

Q324. Which input device reads barcodes?
A) OCR
B) OMR
C) Barcode Reader
D) MICR
Answer: C

Q325. Which generation of computers is associated with artificial intelligence?
A) Third
B) Fourth
C) Fifth
D) Sixth
Answer: C

Q326. Which memory stores frequently used data for faster CPU access?
A) RAM
B) Cache
C) Hard Disk
D) ROM
Answer: B

Q327. Which storage medium is magnetic and can store large amounts of data permanently?
A) RAM
B) Hard Disk
C) Cache
D) ROM
Answer: B

Q328. Which logic gate outputs 1 when inputs are different?
A) AND
B) OR
C) XOR
D) NAND
Answer: C

Q329. Which computer is used for high-speed scientific calculations?
A) Microcomputer
B) Supercomputer
C) Personal Computer
D) Minicomputer
Answer: B

Q330. Which memory type is used for temporary storage of currently running programs?
A) ROM
B) RAM
C) Hard Disk
D) Flash
Answer: B

Q331. Which device converts analog signals to digital signals?
A) DAC
B) ADC
C) Scanner
D) Modem
Answer: B

Q332. Which computer component temporarily holds instructions and data during execution?
A) Register
B) Cache
C) RAM
D) ROM
Answer: A

Q333. Which type of printer does not strike paper directly?
A) Dot Matrix
B) Line Printer
C) Laser Printer
D) Daisy Wheel
Answer: C

Q334. Which device is used to input audio data?
A) Microphone
B) Scanner
C) Keyboard
D) Joystick
Answer: A

Q335. Which storage device is portable and non-volatile?
A) RAM
B) USB Flash Drive
C) Cache
D) Register
Answer: B

Q336. Which device reads hand-written text and converts to digital form?
A) OCR
B) OMR
C) MICR
D) Keyboard
Answer: A

Q337. Which generation of computers used transistors?
A) First
B) Second
C) Third
D) Fourth
Answer: B

Q338. Which CPU component controls the flow of data?
A) ALU
B) Control Unit
C) Cache
D) Register
Answer: B

Q339. Which input/output device is used in ATMs?
A) Keyboard
B) Touch Screen
C) Printer
D) Scanner
Answer: B

Q340. Which memory is used to store frequently used instructions for faster CPU access?
A) RAM
B) Cache
C) ROM
D) Hard Disk
Answer: B

Q341. Which device converts digital signals to analog for transmission?
A) ADC
B) DAC
C) Modem
D) Scanner
Answer: B

Q342. Which device converts analog signals to digital signals?
A) ADC
B) DAC
C) Scanner
D) Modem
Answer: A

Q343. Which device inputs images into a computer?
A) Microphone
B) Scanner
C) Keyboard
D) Joystick
Answer: B

Q344. Which storage device is fast, solid-state, and portable?
A) Hard Disk
B) SSD
C) CD-ROM
D) Floppy Disk
Answer: B

Q345. Who is considered the first programmer?
A) Charles Babbage
B) Ada Lovelace
C) Alan Turing
D) John von Neumann
Answer: B

Q346. Which logic gate outputs 1 when all inputs are 0?
A) AND
B) OR
C) NOR
D) XOR
Answer: C

Q347. Which CPU component executes arithmetic and logical operations?
A) ALU
B) Control Unit
C) Register
D) Cache
Answer: A

Q348. Which device produces output on paper?
A) Monitor
B) Printer
C) Touch Screen
D) Plotter
Answer: B

Q349. Which memory stores instructions required for booting?
A) RAM
B) ROM
C) Cache
D) Register
Answer: B

Q350. Which generation of computers was based on VLSI and microprocessors?
A) Third
B) Fourth
C) Fifth
D) Sixth
Answer: B