IT Essentials - Chapter 1 Question and
answers already passed 2025
6-pin mini-DIN connector for a keyboard or mouse - correct answer ✔PS/2
7-pin cable that connects to an external hard drive - correct answer ✔eSATA
A technician looks at a motherboard and sees a 24-pin connector. What
component would connect to the motherboard through the use of this 24-pin
connector? - correct answer ✔power supply
A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard
drive finds the performance unsatisfactory. Which hard drive upgrade would
improve performance while providing more reliability and using less power? -
correct answer ✔an SSD
can support up to 15 devices and must be terminated at the end of the chain -
correct answer ✔SCSI
transmits 8 bits of data at one time and uses the IEEE 1284 standard - correct
answer ✔parallel
uses either a DB-9 or DB-25 connector and transmits one bit of data at a time
- correct answer ✔serial
What are two factors that must be considered when choosing a computer
case? - correct answer ✔the size of the motherboard and the power supply
the number of internal drive locations
answers already passed 2025
6-pin mini-DIN connector for a keyboard or mouse - correct answer ✔PS/2
7-pin cable that connects to an external hard drive - correct answer ✔eSATA
A technician looks at a motherboard and sees a 24-pin connector. What
component would connect to the motherboard through the use of this 24-pin
connector? - correct answer ✔power supply
A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard
drive finds the performance unsatisfactory. Which hard drive upgrade would
improve performance while providing more reliability and using less power? -
correct answer ✔an SSD
can support up to 15 devices and must be terminated at the end of the chain -
correct answer ✔SCSI
transmits 8 bits of data at one time and uses the IEEE 1284 standard - correct
answer ✔parallel
uses either a DB-9 or DB-25 connector and transmits one bit of data at a time
- correct answer ✔serial
What are two factors that must be considered when choosing a computer
case? - correct answer ✔the size of the motherboard and the power supply
the number of internal drive locations
