Tukang Ajarin

1.     Refer to exhibit. Based on the advertisement that is shown, what is the native resolution of this computer system ?
• 8x
• 3 GB
• 2 GHz
• 1919 MB
• 1280*800 
• 1335 * 9.57

2. Witch IEE standard defines the FireWare technology ?
• 1284
• 1394 
• 1451
• 1539

3. Wich three system resources are commonly used for communication between the CPU or memory and other components in the computer ? (Choose three.)
• IRQ
• DMA
• UDP
• I/O address
• USB
• PnP

4. Which three devices are considered ouput devices ?
• Fingerprint scanner
• Headphones
• Keyboard
• Monitor
• Mouse
• Printer

5. Which two devices are considered input devices ? (Choose two.)
• Biometric authentication device
• Printer
• Digital camera
• Projector
• Speakers

6. Which two form factors are commonly used to build a new computer ? (Choose two.)
• BTX
• NLQ
• ATX
• CLV
• ECC

7. A tehnician creates a simple circuit that has a 9 V light bulb attached to a 9 V battery. The power ouput of the light bulb is 100 W. Wich equation should be used to calculate how much current in amps is required to archive the full 100 W ouput from the 9V bulb ?
• I=P/V = 100W/9V= 11.11A
• I=P*V=100W*9V=900A
• I=(P/2)*V=50W*9V=450A
• I=P*2*V=100W*(9v+9v)=8100A

8. A technician receives a complaint of poor image quality after the user changes the native resolution. While investigating the complaint, the technician discovers there is a mismatch between native mode and the native resolution of the peripheral. Which item is configured incorrectly?
• DLP
• LCD
• Printer
• scanner

9. What are the two connector types for the 1394a interface ? (Choose two.)
• 2 pin
• 4 pin
• 6 pin
• 8 pin
• 9 pin
• 15 pin

10. How many FireWire devices can be supported by a single FireWire port ?
• 12
• 25
• 32
• 54
• 63
• 127

11. What is a function of a KVM switch ?
• Digitizes an image or document and sends the information to multiple computers;
• Stores images from both digital stil cameras and video cameras on magnetic media;
• Provides capability to share a keyboard, a mouse, USB devices, and speakers with multiple computers;
• Provides biometric identification to an individual user by the use of fingerprints, voice recognition, or a retinal scan.

12. What is the function of a fan on top of a heat sink ?
• To cool the memory modules;
• To move the heat away from CPU;
• To draw cool air into the computer case;
• To provide a water-cooling system for extremely fast CPUs.

13. A student has passed the \compTIA A+ cfertification exam. Based on this passing score, for which job is the student now qualified ?
• Network associate;
• Security technician;
• Network technician;
• Network professional;
• PC hardware and software tehnician

14. Which memory module has a front side bus speed of 200MHz ?
• DDR-333
• DDR-400
• DDR-667
• DDR3-667
• PC100 SDRAM

15. What are two factors that must be considered when choosing a computer case? (Choose two.)
• The size of monitor;
• The vendor that manufactured the motherboard;
• The number of external or internal drive locations;
• The size of the motherboard and the power supply;
• The number of LED indicators at the front of the case.

16. Which important feature is offered by the USB standard ?
• A single USB connection to a computer can support up to 255 separate devices;
• It offers rates of around 580 Mb/sec in low-speed mode;
• It allows up to 920 Mb/sec in the 2.0 version.
• It can supply power from the computer to devices.

17. Wich tehnology would be best to use for drive redundancy and data protection?
• CD;
• DVD;
• PATA;
• RAID;
• SCSI.

18. Which type of computer resources are direct lines to the processor and are used by computer components to request attention from the CPU ?
• DMAs
• I/O addresses
• IRQs
• Memory addresses

19. What is a function of the operating system in a computer ?
• It defines the physical components in the computer;
• It instructs the computer how to process information;
• It provides instructions on how to access the internet;
• It identifies the type of firmware that is installed in the computer.

20. Which type of ROM can be reprogrammed with software while it is still physically installed in the computer ?
• EEPROM
• EPROM
• PROM
• ROM