IT Essentials Final Exam updated actual
questions and CORRECT answers
Molex connector - CORRECT ANSWER A Molex connector connects to optical
drives, hard drives, or other drives that use older technology.
Berg connector - CORRECT ANSWER A Berg connector connects to a floppy drive.
SATA connector - CORRECT ANSWER A SATA connector connects to an optical
drive or a hard drive.
Ohm's law - CORRECT ANSWER Voltage is equal to the current multiplied by the
resistance.
Dual core CPU - CORRECT ANSWER Two cores inside a single CPU in which both
cores can process information at the same time
Quad core CPU - CORRECT ANSWER Four cores inside a single CPU
Motherboard - CORRECT ANSWER A circuit board that contains all of the computer
system's main components.
RAM - CORRECT ANSWER RAM is the temporary storage and programs that are
being accessed by the CPU.
DDR2 SDRAM - CORRECT ANSWER Double Data Rate 2 SDRAM is faster than
DDR SDRAM. It improves performance by decreasing noise and crosstalk between the
signal wires.
ROM - CORRECT ANSWER Read-only memory chips. Information is written to a
ROM chip when it's manufactured. It cannot be erased or re-written and is obsolete.
questions and CORRECT answers
Molex connector - CORRECT ANSWER A Molex connector connects to optical
drives, hard drives, or other drives that use older technology.
Berg connector - CORRECT ANSWER A Berg connector connects to a floppy drive.
SATA connector - CORRECT ANSWER A SATA connector connects to an optical
drive or a hard drive.
Ohm's law - CORRECT ANSWER Voltage is equal to the current multiplied by the
resistance.
Dual core CPU - CORRECT ANSWER Two cores inside a single CPU in which both
cores can process information at the same time
Quad core CPU - CORRECT ANSWER Four cores inside a single CPU
Motherboard - CORRECT ANSWER A circuit board that contains all of the computer
system's main components.
RAM - CORRECT ANSWER RAM is the temporary storage and programs that are
being accessed by the CPU.
DDR2 SDRAM - CORRECT ANSWER Double Data Rate 2 SDRAM is faster than
DDR SDRAM. It improves performance by decreasing noise and crosstalk between the
signal wires.
ROM - CORRECT ANSWER Read-only memory chips. Information is written to a
ROM chip when it's manufactured. It cannot be erased or re-written and is obsolete.
