IT Essentials Questionaire

In which situation would an ESD strike potentially cause harm to the PC?

• when installing an additional display in a workplace cubicle

• when replacing a mechanical hard drive with an M.2 SSD

• when installing a dual-voltage power supply

• Other case

• when using a grounded mat and working on a computer on an ungrounded workbench

In which situation would ESD be an issue?

• while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer

• when using a grounded mat and working on a computer on an ungrounded workbench

• when installing a dual-voltage power supply

• when installing a processor

• Other case

In which situation would ESD be an issue?

• when replacing a motherboard

• while attaching speakers to a surround sound card

• when using a grounded mat and working on a computer on an ungrounded workbench

• when installing a dual-voltage power supply

In which situation should the student be aware that ESD is an issue?

• when installing RAM

• when working in a corporate environment that has carpet installed under tower PCs

• when using a grounded mat and working on a computer on an ungrounded workbench

• when walking across a carpeted area and then touching a keyboard that is attached to a tower PC

• when installing a dual-voltage power supply

What two motherboard components control the system boot operations? (Choose two.)

• BIOS chip

• UEFI chip

• Northbridge chip

• Southbridge chip

• CPU

Which component might be affected by this and need to be upgraded and bought as an additional purchase?

• BIOS

• chipset

• CMOS battery

• CPU

• PCIe adapter

Which component should be checked to be sure that this feature is supported?

• CPU

• chipset

• hard disk

• RAM module

What is a characteristic of DDR SDRAM?

• It transfers data twice per clock cycle compared to once per clock cycle for SDRAM.

• DDR SDRAM modules have double the number of pins of SDRAM memory modules.

• It is dynamic memory whereas SDRAM is static memory.

• It operates at double the voltage of SDRAM memory.

What are two safety hazards when dealing with laser printers? (Choose two.)

• high voltage

• hot components

• heavy metals

• proprietary power bricks

• unwieldy card cages

Which component requires a technician to install screws externally through the PC case?

• RAM

• CPU

• motherboard

• power supply