WorksheetsADS Revision (Part 1)
Total questions: 25
Worksheet time: 19mins
Altitude of an aircraft can be found in
ND
PFD
EICAS
The system used to monitor and display information on aircraft systems in Airbus aircraft is
EICAS
EFIS
ECAM
The cockpit instrument that displays how quickly an aircraft is climbing or descending is called the
Altimeter
Rate of climb indicator
Turn coordinator
Which instrument provides roll information to the pilot?
Heading indicator
Attitude indicator
Airspeed indicator
On the Airbus A380, hydraulic status is displayed in which system?
EICAS
EFIS
ECAM
How does ECAM assist when a fuel system fault is detected?
It changes the gauge color without further action.
It only records the fault for post-flight maintenance.
It alerts the crew and opens the fuel system page with a checklist.
Which of the following is NOT found in the Basic-T configuration?
Turn indicator
Altimeter
Airspeed indicator
Fuel status is shown on the ____________ display of the Boeing 737.
EICAS
ECAM
EFIS
What does the attitude indicator show to the pilot?
Aircraft's speed
Aircraft's orientation relative to the horizon
Aircraft's altitude
The Control Display Unit is used by pilots to interact with which onboard computer?
Flight management computer
Flight control computer
Flight mission computer
Short digital messages for flight operations are transmitted using which aircraft system?
ACARS
ACAS
ADB-S
_________ is typically performed to confirm full functionality after replacement of a LRU.
Power-up test
System test
Cyclic test
Primary flight display is the source of visual guidance for which of the following?
Autobrake deployment
Cabin decompression
Resolution advisory maneuver
Attitude is derived in an IRS system through which component?
Magnetic compass
Ring laser gyros
Turn coordinator
Why must DRAM be refreshed regularly?
To prevent overheating
To maintain its connection with the CPU
Because it stores data using charge in capacitors which leaks over time
Which component of the computer carries out arithmetic and logic operations based on program instructions?
Control unit
Memory
CPU
Compared to analog systems, digital aircraft architectures simplify wiring by
using one shared data bus for all systems.
using separate circuits for each system.
using a more advanced ARINC629 bus.
An 8-bit address bus allows access to how many memory locations?
256
128
1024
Execute cycle is the stage in which the CPU
runs the instruction.
retrieves the instruction from memory.
translates the instruction into machine code.
Which memory type offers the quickest access time for the CPU?
ROM
Level 1 cache
Level 2 cache
What type of memory is used for temporary data storage while a computer is running?
Flash memory
RAM
ROM
Why might a raster scan CRT display cause eye strain?
It distorts colours
It loses brightness over time
It flickers
Voltage applied to liquid crystals in an LCD changes their alignment, causing light to be __________.
blocked
polarised
amplified
Higher brightness and contrast ratio is a notable advantage of LED.
True
False
Using a different type of backlight is the primary difference between which two display technologies?
LED and LCD
CRT and LCD
Plasma and LCD
