eSkill Computer Literacy and Basic IT Skills 2

Question 1

Which component temporarily stores the data and programs the CPU is actively using, and loses its contents when the computer is turned off?

Accepted Answer

Random access memory (RAM)

Answer

RAM is volatile working memory, so its contents are cleared when power is removed.

Question 2

A user wants to connect a laptop to an external monitor and carry both video and audio over one cable. Which port is the most common choice?

Accepted Answer

HDMI

Answer

HDMI carries digital video and audio over one cable, while VGA is analog video only.

Question 3

What is the main reason an SSD is usually faster than a traditional HDD?

Accepted Answer

It uses flash memory with no moving parts

Answer

SSDs read and write data electronically with flash memory, so there is no mechanical seek time.

Question 4

In the binary measurement system that operating systems traditionally use, how many megabytes (MB) are in 1 gigabyte (GB)?

Accepted Answer

1,024

Answer

In binary units, 1 GB = 1,024 MB, since each step up is a power of 2 (2^10).

Question 5

Which of the following is an INPUT device?

Accepted Answer

Scanner

Answer

A scanner converts physical documents into digital data and sends it into the computer.

eSkill - eSkill Assessment Test Practice Test