Exam 2025: Ultimate Study Guide & Prep Tips"**
1. What unit is used to measure the refresh rate of a display device?
bytes
hertz
watts
pixels
2. Which current USB standard supports 2 x 10 Gbps speeds and uses a
USB-C connector type?
USB 3.2 Gen 2x1
USB 3.2 Gen1
USB 3.1
USB 3.2 Gen 2x2
3. Describe the purpose of edge contacts in connector
design. Edge contacts allow for multiple
connections at once. Edge contacts are a type of
USB connector.
Edge contacts ensure proper electrical connection and
alignment in connectors.
Edge contacts are used to increase the length of cables.
4. Describe the role of a peripheral cable in connecting devices to a PC.
A peripheral cable facilitates the connection of external devices
to a PC for data transfer and communication.
A peripheral cable is used solely for power supply to
,devices. A peripheral cable connects internal components
of a PC.
, A peripheral cable is only used for video output.
5. Describe the role of the Molex connector in computer hardware.
The Molex connector connects external peripherals to the
computer.
The Molex connector provides power to internal
components like hard drives and optical drives.
The Molex connector is used for data transfer between
devices. The Molex connector is primarily used for video
output.
6. If a new digital camera were to be designed today, which connector
type would likely be preferred over the Type B Mini Connector, and
why?
HDMI, for video output capabilities.
USB Type-C, due to its versatility and widespread adoption.
Type B Mini, for its compact size.
DisplayPort, for higher bandwidth requirements.
7. Describe the components typically found on a computer's front
panel and their functions.
The front panel typically includes access to removable media
drives, a power switch, and LEDs to indicate drive operation.
The front panel is solely for aesthetic purposes without functional
components.
The front panel contains only USB ports for data transfer.
The front panel manages the computer's internal memory and
processing power.
8. What is the maximum bandwidth of the SATA standard?
1.5 Gb/s
, 12 Gb/s
6 Gb/s
3 Gb/s
9. Which of the following is the best description of a bit?
a basic unit of a computer used to encode a single
character of text
computer memory that can represent either of two possible states
the smallest portion of computer memory that can represent a
distinct computer address
a binary digit that can have one of only two possible values
10. The USB 2 connector form factor type for connection to large
devices such as printers. The connector and port are square, with a
beveled top.
USB 2 Type B Micro
USB 2 Type B
USB 2 Type B
Mini USB 2 Type
A
11. Which of the following describes HDMI?
Handles both video and audio. It is the highest quality
connection available.
Does not support the highest quality sound available on Blu-ray
discs.
Uses two RCA cables and supports 2 channels of audio.
It does not support HD and should only be used if absolutely
necessary.