WorksheetsPC Assy & Services Day 2 Revision
Total questions: 30
Worksheet time: 22mins
What is an Input Device?
It is a piece of hardware that enables human interaction with the computer
It is for feedback only
Computer does not need any input device
Major functions of the input unit are
Take the data to be processed from the user
Convert the given data into machine-readable form
Transmit the converted data into the main memory of the computer
The keyboard is an input device that is used to type and feed the data into the computer. The data can be in words, numbers, and symbols. It consists of mechanical buttons called the ‘keys’.
True
False
The mouse is the input device that is used to coordinate the pointer on the screen.
False
True
The microphone is an input device used to feed audio in the computer.
True
False
A scanner is an output device and does not work similarly to a photocopy machine.
True
False
A webcam is a type of camera that streams still pictures or videos in real-time to the computer.
True
False
HDMI is
High definition Media Interface
High definition Multi Interface)
High density Mediamedia Interface
HDMI cable is used to transmit
high definition video
audio signals.
power supply
VGA cable is another type of computer cable which
is used for sending video signals
is used to link the monitor and the CPU of a computer.
is used to communicate with printers
This is a 3.5mm audio cable
True
False
This is a PS/2 adapter which was used for mouse and keyboard
False
True
This Ethernet (LAN) cable is used for internal CPU processing only
True
False
This serial cable was replaced by the current USB cable.
True
False
This cable (parallel) was used to connect printers to computers
True
False
This is a USB 1.0 cable
True
False
This is a USB 3.0 cable
True
False
DVI cables are used to connect the LCD monitor and the video card.
False
True
All types of Av devices can be connected to one standard cable, which is an HDMI cable.
True
False
C13 cable are commonly used on electronic equipment such as computers, monitors, and servers to ensure international compatibility across different countries' standards.
True
False
This is a type C15 power cord cable
True
False
This is a type C19 power supply cord
True
false
Murphy's law is an adage or epigram that is typically stated as:
"Anything that can go wrong will go wrong."
True
False
Poka-Yoke, also known as mistake-proofing, is a technique for avoiding simple human errors
False
True
Which are inputs to a PC?
Mouse
Keyboard
LED Monitor
Headphone mic
ESDS
Electro Static Distrubution Sensor
Electro Static Discharge Sensitive
Electro Static Device Support
When handling electronic equipment, always wear a grounded anti-static wrist strap to ground the self
True
False
Why ESDS protection is need?
To prevent the chances of electrostatic charge buildup damaging the equipment / Intgrated Circuits
To prevent dirt from the hand sticking onto the connector
To electronically charge the circuit board
Why visual inspection is required on the connectors (male & female) before fixing any cable?
To ensure no bend pins
To ensure no foreign particals / dusts are present (cleanliness)
To check for fun
To make sure the cable is in good condition
How to clean a cable?
Soap and water and then use sponge to clean it
Contact Cleaner
Soak in hot water
