1 Interference from generator and lighting that could result in unclean power is known as. 3 Form factor of motherboard define its

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1 1 IT ESS Class Test 1 1 Interference from generator and lighting that could result in unclean power is known as. Blackout Brownout Noise Spike 2 CPU speed is measure in. cycles per second click per second distance per second lightspeed 3 Form factor of motherboard define its color cost size speed 4 When upgrading a CPU, there are a few requirements that must be met. Which of the following is not a valid requirement when upgrading a CPU? The new CPU must operate with the existing RAM. The new CPU must fit into the existing CPU socket. The new CPU must operate with the existing operating system. The new CPU must be compatible with the motherboard chip set. 5 When working on any components except CRT monitor and power supply, it is necessary to wear an antistatic wrist strap. One side of the strap should be worn on the wrist and the other side should be. left unclick clip on shirt clip on metal case of equipment clip on wooden table top 6 Power supplies are rated in. Amperes Ohms Volts Watts

2 2 7 The yellow colored wire from the power supply has a voltage of +12V. What is the main use of +12V? Used to complete circuit with other voltage Used to power ISA bus and early PROMS Used to power drive motor, fans, cooling devices and system bus slots Used to power newer CPUs, some type of system memory and AGP video card 8 When selecting or buying a new power supply for a computer system, we should always verify that. it is powerful enough to support the CPU in the system it is powerful enough to support all the hard disk in the system it is powerful enough to support the motherboard in the system it is powerful enough to support all the components in the system 9 SIMM stands for. Static Inline Memory Module Single Inline Memory Module Storage Inline Memory Module Standalone Inline Memory Module 10 A memory that provides the processor with faster access to most frequently used data is called. cache memory RAM ROM virtual memory 11 After installing a new memory module for a computer system, the technician needs to verify that the memory is working properly. Which one of the following is the recommended method? Check from BIOS setting. Use Operating System utility to check. Download third party software to check. If the system do not hang when boot up then it is working. 12 Before upgrading or replacing of system RAM, the technician should ask himself some questions. Which one of the following is not a valid question? What type of RAM does the motherboard currently use? What are the best RAM and the highest memory in the market? Does the new RAM chip match the speed, latency, type, and voltage of the existing RAM? Can the RAM be installed one module at a time, or should it be grouped into matching banks? 13 Which of the following optical drive formats allows read and write multiple times?

3 3 DVD-R DVD+R DVD-RW DVD-ROM 14 A SCSI-1 drive controller can connect up to a maximum of how many drives Which one of the symptoms below is a good indication that the hard disk needs to be replaced? When there are corrupted data or application. When the hard disk has been used for 2 years. When the system is slow when browsing internet. When the operating system is experiencing slow boot up. 16 After replacing a floppy drive, the technician noticed that the floppy drives activity light is on continuously when the PC is turn on. Which of the following is the best conclusion of above problems? The floppy drive is damage. The floppy data cables are damage. The power supply to the drive is connected wrongly. The data cable to the floppy drive is connected wrongly. 17 Which of the following expansion slots is designed only to be used for video card? AGP ISA PCI PCI-Express 18 An antistatic wrist strap must not be worn when doing repair or replacement work on which of the computer components? CPU CRT Monitor Motherboard Video Card 19 When a user turns on his laptop, he notices that the laptop LCD is not displaying anything after a long time. He confirms that his laptop is running. What could he do to resolve this problem? Adjust display resolution. Turn off the system and restart the system. Swap laptop to AC power and adjust brightness of LCD. Disconnect any external monitor and use Fn key sequence to activate the LCD

4 4 20 A customer support technician received a call from a customer informing him that his monitor image was not align to the center and part of the image at the side could not be viewed. Which of the advice should be given to the customer? The monitor is spoilt and advice the customer to replace it. Advice the customer to adjust the Position setting on the monitor. Advice the customer to adjust the Contrast setting on the monitor. Advice the customer to adjust the Brightness setting on the monitor. 21 POST stands for. Power On Self Test Power On Sure Test Perform One Self Test Power On Sequence Test 22 BIOS configuration setting is store in a. Cache CMOS RAM ROM 23 Which process described flashing the BIOS? Download the new BIOS file and upgrade BIOS. Access the BIOS setup and restore to default setting. Upgrade the BIOS by completely replacing the ROM chip. Opening the computer and perform a hard reset of the BIOS to restore it to factory setting. 24 A user noticed that the system data and time of his computer was not correct. After correcting it from the BIOS setting, the setting was lost again after a few days. What could be the main cause of this problem? Power supply is weak and needs to be replaced Motherboard is damage and needs to be replaced. BIOS chipset is damage and needs to be replaced. Battery on motherboard is weak and needs to be replaced. 25 Which of the devices is considered an input devices? Monitor Printer Scanner Speaker 26 PS/2 port is used for connection between a computer and a. Digital camera Headphone Keyboard

5 5 Portable harddisk 27 Which of the following is a valid advantage of using impact printer? Quick printing. Quick to warm. High resolution. Has carbon copy printing ability. 28 Which of the following peripheral connection port cannot be used to connect a printer? Serial Port Parallel Port USB Port VGA Port 29 After setting up and installing a new printer on a PC, how can the user perform a test print on a Window XP OS? Open Printer and Faxes Double click on printer Printer Print Test Page Open Printer and Faxes Double click on printer Document Print Test Page Open Printer and Faxes Right click on printer Properties General Tab Print Test Page Open Printer and Faxes Right click on printer Printing Preference Print Test Page 30 When user notices that the scanner surface is dirty, what should he do to clean the scanner surface? Wet the cloth in water and then use it to wipe the glass. Spray glass cleaner directly and clean it off with a cloth. Pour some of water onto the surface and clean with a dry cloth. Apply glass cleaner on the cloth and wipe the glass gently with the cloth.