Computer Hardware Important Mcqs 41- Which device is used to connect a computer to a network ? A. RAMB. NICC. CPUD. Hard Drive View Answer Answer : B. NIC (Network Interface Card) Description 42- Which part of the CPU performs arithmetic and logical operations ? A. Arithmetic Logic Unit (ALU)B. Control unitC. RegistersD. Cache View Answer Answer : A. Arithmetic Logic Unit (ALU) Description 43- What is the function of RAM in a computer ? A. Storing data permanentlyB. Processing dataC. Storing data temporarily for quick accessD. Controlling input and output devices View Answer Answer : C. Storing data temporarily for quick access Description 44- Which of the following is an example of an output device ? A. KeyboardB. MouseC. ScannerD. Monitor View Answer Answer : D. Monitor Description 45- What type of storage device uses magnetic disks to store data ? A. SSDB. Hard Disk DriveC. Flash DriveD. CD ROM View Answer Answer : B. Hard Disk Drive Description 46- Which port is commonly used to connect external storage devices ? A. VGAB. USBC. HDMID. PS/2 View Answer Answer : B. USB Description 47- Which of the following is not a primary function of the motherboard ? A. Connecting hardware componentsB. Providing power to the CPUC. Displaying graphics on the monitorD. Managing data flow between components View Answer Answer : C. Displaying graphics on the monitor Description 48- Which memory is the fastest in a computer system ? A. RAMB. Hard DiskC. SSDD. Cache Memory View Answer Answer : D. Cache Memory Description 49- Which type of expansion slot is commonly used for modern graphics cards ? A. PCIeB. AGPC. ISAD. VGA View Answer Answer : A. PCIe Description 50- What does HDMI stand for ? A. High Definition Media InterfaceB. High Data Multimedia InterfaceC. Hyper Digital Monitor InterfaceD. High Device Memory Integration View Answer Answer : A. High Definition Media Interface Description 51- Which of the following is an example of volatile memory ? A. ROMB. RAMC. Hard DriveD. Flash Drive View Answer Answer : B. RAM Description 52- Which device is used as a pointing device in a computer ? A. PrinterB. KeyboardC. ScannerD. Mouse View Answer Answer : D. Mouse Description 53- Which component is responsible for converting AC power to DC power in a computer ? A. CPUB. MotherboardC. PSUD. RAM View Answer Answer : C. Power Supply Unit (PSU) Description 54- Which of the following is used to cool the CPU ? A. Heat SinkB. PSUC. Sound CardD. Hard Drive View Answer Answer : A. Heat Sink Description 55- What is the primary function of a graphics card ? A. To store dataB. To manage power supplyC. To render images and videosD. To process input devices View Answer Answer : C. To render images and videos Description 56- Which type of printer uses a ribbon for printing ? A. Laser PrinterB. Inkjet PrinterC. Thermal PrinterD. Dot Matrix Printer View Answer Answer : D. Dot Matrix Printer Description 57- Which storage device has no moving parts ? A. Hard Disk DriveB. Solid-State DriveC. Floppy DiskD. CD-ROM View Answer Answer : B. Solid-State Drive (SSD) Description 58- Which component stores the computer's firmware ? A. ROMB. RAMC. Hard DriveD. SSD View Answer Answer : A. ROM Description 59- Which connector is used to connect a computer to a wired network ? A. HDMIB. USBC. VGAD. Ethernet (RJ45) View Answer Answer : D. Ethernet (RJ45) Description 60- Which type of cable is used to connect a monitor to a computer ? A. RJ45B. SATAC. HDMID. USB View Answer Answer : B. SATA Description 1 2 3 4 5