Computer Hardware /Software

1.
Which component is responsible for executing instructions in a computer? A. RAM
B. ALU
C. Control Unit
D. CPU
Answer: D
2.
Which memory type is volatile? A. ROM
B. Flash
C. RAM
D. SSD
Answer: C
3.
The function of the Control Unit is to: A. Perform arithmetic operations
B. Store data
C. Direct operations of the processor
D. Manage cache
Answer: C
4.
Which storage device uses NAND flash memory? A. HDD
B. SSD
C. DVD
D. Tape Drive
Answer: B
5.
Cache memory is used to: A. Increase storage capacity
B. Improve processing speed
C. Reduce power consumption
D. Store permanent data
Answer: B
6.
Which bus carries data between CPU and memory? A. Address Bus
B. Control Bus
C. Data Bus
D. Expansion Bus
Answer: C
7.
Firmware is best described as: A. Software stored in RAM
B. Software embedded in hardware
C. Application software
D. Temporary files
Answer: B
8.
Which layer interacts directly with hardware? A. Application Layer
B. OS Kernel
C. User Interface
D. Compiler
Answer: B
9.
Which device converts digital signals to analog? A. Router
B. Switch
C. Modem
D. Hub
Answer: C
10.
Which memory is non-volatile? A. SRAM
B. DRAM
C. Cache
D. ROM
Answer: D
11.
Which component manages memory allocation? A. BIOS
B. OS
C. Compiler
D. ALU
Answer: B
12.
Which type of software translates high-level language to machine code? A. Assembler
B. Interpreter
C. Compiler
D. Loader
Answer: C
13.
Which register holds the next instruction address? A. MAR
B. MDR
C. PC
D. IR
Answer: C
14.
Which is faster? A. HDD
B. SSD
C. Optical Disk
D. Tape
Answer: B
15.
Which scheduling algorithm uses time slices? A. FCFS
B. SJF
C. Round Robin
D. Priority
Answer: C
16.
Which device is used for permanent storage? A. RAM
B. Cache
C. Register
D. Hard Disk
Answer: D
17.
Which memory has the fastest access time? A. Cache
B. RAM
C. ROM
D. HDD
Answer: A
18.
BIOS is stored in: A. RAM
B. Cache
C. ROM
D. HDD
Answer: C
19.
Which is not an operating system? A. Linux
B. Windows
C. Oracle
D. macOS
Answer: C
20.
Multiprocessing means: A. Multiple users
B. Multiple CPUs
C. Multiple programs
D. Multiple threads
Answer: B
21.
Which is responsible for booting? A. OS
B. BIOS
C. RAM
D. Compiler
Answer: B
22.
Which type of RAM is faster? A. DRAM
B. SRAM
C. SDRAM
D. DDR
Answer: B
23.
Virtual memory uses: A. RAM only
B. Cache
C. Hard Disk
D. ROM
Answer: C
24.
Which is input device? A. Printer
B. Monitor
C. Keyboard
D. Speaker
Answer: C
25.
Which converts source code into machine code line by line? A. Compiler
B. Interpreter
C. Assembler
D. Loader
Answer: B
26.
Which is system software? A. MS Word
B. Photoshop
C. Windows OS
D. Chrome
Answer: C
27.
Which storage has moving parts? A. SSD
B. HDD
C. Flash
D. ROM
Answer: B
28.
Which device manages network traffic? A. CPU
B. Router
C. RAM
D. GPU
Answer: B
29.
Which is secondary memory? A. Cache
B. Register
C. RAM
D. Hard Disk
Answer: D
30.
Which performs logical operations? A. CU
B. ALU
C. RAM
D. Disk
Answer: B
31.
Which is not volatile? A. RAM
B. Cache
C. Register
D. ROM
Answer: D
32.
Which OS is open-source? A. Windows
B. Linux
C. macOS
D. DOS
Answer: B
33.
Which handles device communication? A. Compiler
B. OS
C. BIOS
D. Driver
Answer: D
34.
Which is output device? A. Scanner
B. Keyboard
C. Monitor
D. Mouse
Answer: C
35.
Which is fastest storage? A. Register
B. Cache
C. RAM
D. HDD
Answer: A
36.
Which part stores instructions temporarily? A. ROM
B. RAM
C. HDD
D. Cache
Answer: B
37.
Which software manages hardware resources? A. Application
B. OS
C. Compiler
D. Driver
Answer: B
38.
Which is expansion card? A. CPU
B. RAM
C. GPU
D. HDD
Answer: C
39.
Which port connects peripherals? A. RAM
B. USB
C. CPU
D. BIOS
Answer: B
40.
Which is multitasking OS feature? A. Single process
B. One user
C. Running multiple tasks
D. No memory
Answer: C
41.
Which memory is closest to CPU? A. RAM
B. Cache
C. HDD
D. SSD
Answer: B
42.
Which is firmware example? A. Windows
B. BIOS
C. Word
D. Excel
Answer: B
43.
Which is used to install OS? A. Bootloader
B. Driver
C. Compiler
D. Cache
Answer: A
44.
Which device outputs hard copy? A. Monitor
B. Printer
C. Scanner
D. Speaker
Answer: B
45.
Which is not hardware? A. CPU
B. RAM
C. Software
D. HDD
Answer: C
46.
Which OS supports multi-user? A. DOS
B. Linux
C. BIOS
D. Firmware
Answer: B
47.
Which is system utility? A. Antivirus
B. Word
C. Excel
D. Paint
Answer: A
48.
Which stores permanent instructions? A. RAM
B. Cache
C. ROM
D. Register
Answer: C
49.
Which is processing device? A. Monitor
B. Printer
C. CPU
D. Scanner
Answer: C
50.
Which manages files? A. CPU
B. OS
C. RAM
D. BIOS
Answer: B