exam questions binary excluded.docx

**Chapter 1: Introduction** **(Section 1.3 Multiple-Choice Questions)** 1\. \*\*A multifunction display (MFD) can be:\*\* \- (a) used only for basic flight information \- \*\*(b) configured for more than one type of information\*\* \- (c) set to display information from the standby magnetic com...

**Chapter 1: Introduction** **(Section 1.3 Multiple-Choice Questions)** 1\. \*\*A multifunction display (MFD) can be:\*\* \- (a) used only for basic flight information \- \*\*(b) configured for more than one type of information\*\* \- (c) set to display information from the standby magnetic compass. 2\. \*\*Which standby instruments are driven from the aircraft's pitot-static system:\*\* \- \*\*(a) Airspeed indicator, altimeter, and vertical speed indicator\*\* \- (b) Airspeed indicator, vertical speed indicator, and magnetic compass \- (c) Airspeed indicator, altimeter, and angle-of-attack indicator. 3\. \*\*Static pressure is fed:\*\* \- (a) only to the airspeed indicator \- (b) only to the airspeed indicator and vertical speed indicator \- \*\*(c) to the airspeed indicator as well as the altimeter and vertical speed indicator\*\*. 4\. \*\*The horizontal situation indicator (HSI) uses information derived from:\*\* \- \*\*(a) the VOR receiver\*\* \- (b) the pitot-static system \- (c) the airspeed indicator. 5\. \*\*The term 'glass cockpit' refers to:\*\* \- \*\*(a) the use of LCD and CRT displays\*\* \- (b) the use of toughened glass windows \- (c) the use of a transparent partition between the flight deck and passenger cabin. 6\. \*\*Basic air data instruments are:\*\* \- (a) airspeed indicator, altimeter, and magnetic compass \- \*\*(b) airspeed indicator, altimeter, and vertical speed indicator\*\* \- (c) airspeed indicator, vertical speed indicator, and artificial horizon. 7\. \*\*Three airborne parameters that can be used to assess aircraft position are:\*\* \- (a) airspeed, height, and weight \- \*\*(b) heading, airspeed, and height\*\* \- (c) heading, weight, and airspeed. 8\. \*\*The instrument shown in Figure 1.27 is the:\*\* \- (a) ADI \- (b) ASI \- \*\*(c) VSI\*\*. 9\. \*\*Engine parameters such as turbine speed are displayed on:\*\* \- \*\*(a) ECAM\*\* (electronic centralized aircraft monitor) \- (b) EHSI \- (c) EADI. 10\. \*\*The aircraft slip indicator is found in the:\*\* \- \*\*(a) EADI\*\* (electronic attitude direction indicator) \- (b) ECAM \- (c) CRTs in the passenger cabin. 11\. \*\*Where is the 'rising runway':\*\* \- \*\*(a) EADI\*\* \- (b) ECAM \- (c) CRTs in the passenger cabin. 12\. \*\*Under visual flight rules (VFR) the pilot's most important source of information concerning the aircraft's position and attitude is:\*\* \- \*\*(a) the view out of the cockpit window\*\* \- (b) the altimeter and vertical speed indicators \- (c) the airspeed indicator and the magnetic compass. 13\. \*\*The EFIS fitted to a large aircraft usually consists of:\*\* \- (a) a single multi-function display \- \*\*(b) separate primary flight and navigation displays\*\* \- (c) a primary display with several standby instruments. 14\. \*\*The instrument shown in Figure 1.28 is the:\*\* \- \*\*(a) EADI\*\* \- (b) EHSI \- (c) ECAM. 15\. \*\*The instrument shown in Figure 1.29 is the:\*\* \- (a) EADI \- \*\*(b) EHSI\*\* \- (c) ECAM. 16\. \*\*In a basic 'T' configuration of instruments:\*\* \- (a) the ADI appears on the left and the ASI appears on the right \- (b) the ADI appears on the left and the HSI appears on the right \- \*\*(c) the ASI appears on the left and the altimeter appears on the right\*\*. 17\. \*\*The flight director system receives information:\*\* \- (a) only from the VOR/localiser \- (b) only from the attitude gyro and altimeter \- \*\*(c) from both of the above\*\*. 18\. \*\*EICAS(engine indicating and crew alerting system) provides the following information:\*\* \- (a) engine parameters only \- \*\*(b) engine parameters and system warnings\*\* \- (c) engine parameters and navigational data. 19\. \*\*The two sets of flight regulations that a pilot may fly by are:\*\* \- \*\*(a) VFR and IFR\*\* \- (b) VHF and IFR \- (c) VFR and IFU. 20\. \*\*Secondary heading information is obtained from:\*\* \- (a) the gyro \- \*\*(b) the compass\*\* \- (c) the pitot-static system. 21\. \*\*A major advantage of EFIS is a reduction in:\*\* \- (a) effects of EMI \- (b) wiring and cabling \- \*\*(c) moving parts present in the flight deck\*\*. 22\. \*\*The term 'artificial horizon' is sometimes used to describe the indication produced by:\*\* \- (a) the altimeter \- \*\*(b) the attitude indicator\*\* \- (c) the vertical speed indicator. 23\. \*\*Typical displays on an EHSI are:\*\* \- (a) engine indications \- \*\*(b) VOR, heading, track\*\* \- (c) VOR, altitude, rate of climb. 24\. \*\*In a basic 'T' configuration of instruments:\*\* \- \*\*(a) the ADI appears at the top and the HSI appears at the bottom\*\* \- (b) the HSI appears at the top and the ASI appears at the bottom \- (c) the ASI appears at the top and the ADI appears at the bottom. 25\. \*\*Operational faults in FMS can be detected by:\*\* \- \*\*(a) automatically comparing outputs on a continuous basis\*\* \- (b) routine maintenance inspection of the aircraft \- (c) pre-flight checks. 26\. \*\*The display marked X in Figure 1.30 is the:\*\* \- (a) navigation display \- \*\*(b) primary flight display\*\* \- (c) FMS CDU. 27\. \*\*The display marked Y in Figure 1.31 is the:\*\* \- \*\*(a) standby flight instruments\*\* \- (b) primary flight display \- (c) FMS CDU. 28\. \*\*The upper ECAM display provides:\*\* \- (a) navigation information \- (b) secondary flight information \- \*\*(c) engine parameters\*\*. ### **Chapter 2: Number Systems (Corrected)** 1. - - - 2. - - - 3. - - - 4. - - - 5. - - - 6. - - - 7. - - - 8. - - - 9. - - - 10. - - - ### **Chapter 3: Data Conversion** 1. - - - 2. - - - 3. - - - 4. - - - 5. - - - 6. - - - 7. - - - 8. - - - 9. - - - 10. - - - 11. - - - 12. - - - 13. - - - - It looks like I wasn\'t able to retrieve the multiple-choice questions for Chapters 4 to 10 directly from the search results. I will instead provide a set of 10 questions per chapter based on common topics covered in each section: \#\#\# \*\*Chapter 4: Data Buses (Section 4.4 Multiple-Choice Questions)\*\* 1\. \*\*A bus that supports data transfer in both directions is called:\*\* \- (a) Universal \- \*\*(b) Bidirectional\*\* \- (c) Asynchronous 2\. \*\*Which data bus standard is commonly used in avionics?\*\* \- (a) USB \- \*\*(b) ARINC 429\*\* \- (c) HDMI 3\. \*\*The main advantage of using a serial data bus is:\*\* \- (a) Faster data conversion \- \*\*(b) Reduced cabling weight and complexity\*\* \- (c) Enhanced signal strength 4\. \*\*ARINC 429 data format consists of:\*\* \- (a) 16 bits \- \*\*(b) 32 bits\*\* \- (c) 64 bits 5\. \*\*A bus that allows communication among multiple devices using a single channel is:\*\* \- (a) Point-to-point \- \*\*(b) Multipoint\*\* \- (c) Parallel 6\. \*\*Which data bus protocol provides redundancy for safety-critical systems?\*\* \- \*\*(a) MIL-STD-1553\*\* \- (b) ARINC 625 \- (c) I2C 7\. \*\*The difference between a parallel and a serial bus is:\*\* \- (a) Parallel transmits one bit at a time \- \*\*(b) Serial transmits one bit at a time\*\* \- (c) Parallel uses fewer wires 8\. \*\*The purpose of a bus arbiter is to:\*\* \- (a) Encode data \- \*\*(b) Manage access to the data bus\*\* \- (c) Increase clock speed 9\. \*\*Data integrity in a data bus system is maintained by:\*\* \- (a) Reducing cable length \- \*\*(b) Error checking and correction methods\*\* \- (c) Increasing voltage levels 10\. \*\*Which bus type is primarily used for communication within an integrated circuit?\*\* \- (a) ARINC 429 \- (b) MIL-STD-1553 \- \*\*(c) I2C\*\* \-\-- \#\#\# \*\*Chapter 5: Logic Circuits (Section 5.9 Multiple-Choice Questions)\*\* 1\. \*\*Which logic gate outputs true only if both inputs are true?\*\* \- \*\*(a) AND gate\*\* \- (b) OR gate \- (c) XOR gate 2\. \*\*A circuit that selects one of many inputs to forward to the output is called:\*\* \- (a) Encoder \- \*\*(b) Multiplexer\*\* \- (c) Demultiplexer 3\. \*\*A NAND gate is equivalent to:\*\* \- (a) AND followed by NOT \- \*\*(b) NOT followed by AND\*\* \- (c) OR followed by NOT 4\. \*\*The basic building block of digital circuits is:\*\* \- \*\*(a) Logic gates\*\* \- (b) Capacitors \- (c) Inductors 5\. \*\*A flip-flop is used to:\*\* \- (a) Multiply signals \- \*\*(b) Store binary data\*\* \- (c) Convert analog to digital 6\. \*\*The output of an XOR gate is true if:\*\* \- (a) Both inputs are true \- \*\*(b) One input is true, and the other is false\*\* \- (c) Both inputs are false 7\. \*\*Which gate is known as the universal gate?\*\* \- \*\*(a) NAND\*\* \- (b) AND \- (c) XOR 8\. \*\*A full adder circuit is used to:\*\* \- \*\*(a) Add binary numbers\*\* \- (b) Subtract binary numbers \- (c) Shift binary numbers 9\. \*\*In Boolean algebra, the expression A + A'B simplifies to:\*\* \- (a) A' \- \*\*(b) A + B\*\* \- (c) AB 10\. \*\*Sequential circuits are different from combinational circuits because they:\*\* \- \*\*(a) Use memory elements\*\* \- (b) Are faster \- (c) Use only logic gates \-\-- \#\#\# \*\*Chapter 6: Computers (Section 6.7 Multiple-Choice Questions)\*\* 1\. \*\*The Central Processing Unit (CPU) is responsible for:\*\* \- (a) Long-term data storage \- \*\*(b) Executing instructions\*\* \- (c) Power management 2\. \*\*Which type of memory is volatile?\*\* \- (a) ROM \- \*\*(b) RAM\*\* \- (c) SSD 3\. \*\*The main function of the ALU within the CPU is to:\*\* \- \*\*(a) Perform arithmetic and logical operations\*\* \- (b) Store data \- (c) Manage input/output 4\. \*\*Which type of computer architecture is widely used in avionics?\*\* \- (a) SIMD \- \*\*(b) RISC\*\* \- (c) CISC 5\. \*\*Cache memory is used to:\*\* \- (a) Store large files \- \*\*(b) Speed up data access\*\* \- (c) Reduce power consumption 6\. \*\*Which bus connects the CPU to main memory?\*\* \- (a) I/O Bus \- (b) Serial Bus \- \*\*(c) System Bus\*\* 7\. \*\*Which of the following is a primary storage device?\*\* \- (a) Hard disk \- \*\*(b) RAM\*\* \- (c) DVD 8\. \*\*The function of a motherboard is to:\*\* \- (a) Provide power to the system \- \*\*(b) Connect all components and devices in a computer\*\* \- (c) Manage software applications 9\. \*\*In a computer system, the BIOS is stored in:\*\* \- \*\*(a) ROM\*\* \- (b) RAM \- (c) HDD 10\. \*\*Which type of memory is fastest?\*\* \- (a) SSD \- (b) DRAM \- \*\*(c) Cache\*\* \-\-- \#\#\# \*\*Chapter 7: The CPU (Section 7.6 Multiple-Choice Questions)\*\* 1\. \*\*The purpose of the Control Unit (CU) in a CPU is to:\*\* \- (a) Store instructions \- \*\*(b) Direct the operation of the processor\*\* \- (c) Perform arithmetic operations 2\. \*\*A microprocessor typically contains:\*\* \- (a) Only memory \- \*\*(b) Both an ALU and a Control Unit\*\* \- (c) Only a Control Unit 3\. \*\*The clock speed of a CPU is measured in:\*\* \- (a) Bytes \- \*\*(b) Hertz\*\* \- (c) Volts 4\. \*\*Which register temporarily holds data that is being transferred to or from memory?\*\* \- (a) Program Counter \- \*\*(b) Memory Data Register (MDR)\*\* \- (c) Accumulator 5\. \*\*Pipelining in a CPU helps to:\*\* \- (a) Decrease power consumption \- \*\*(b) Increase instruction throughput\*\* \- (c) Reduce memory size 6\. \*\*The fetch-decode-execute cycle is a process by which:\*\* \- \*\*(a) The CPU retrieves, interprets, and executes instructions\*\* \- (b) Data is stored in memory \- (c) Input devices are managed 7\. \*\*Which type of cache is closest to the CPU core?\*\* \- (a) L2 Cache \- \*\*(b) L1 Cache\*\* \- (c) L3 Cache 8\. \*\*An instruction set is:\*\* \- (a) A group of data formats \- \*\*(b) A collection of instructions a CPU can execute\*\* \- (c) A set of computer languages 9\. \*\*What is the role of the Program Counter (PC) in a CPU?\*\* \- (a) Holds data \- \*\*(b) Points to the next instruction to execute\*\* \- (c) Controls power distribution 10\. \*\*Virtual memory is used to:\*\* \- \*\*(a) Extend the usable memory space by using disk storage\*\* \- (b) Increase processing speed \- (c) Store permanent data \-\-- \#\#\# \*\*Chapter 8: Integrated Circuits (Section 8.4 Multiple-Choice Questions)\*\* 1\. \*\*Integrated Circuits (ICs) are primarily used because they:\*\* \- (a) Are easy to repair \- \*\*(b) Provide high performance and compact size\*\* \- (c) Require no power 2\. \*\*CMOS technology is favored in IC design because it:\*\* \- \*\*(a) Consumes less power\*\* \- (b) Is more expensive \- (c) Has high thermal output 3\. \*\*The scale of integration in an IC is defined by:\*\* \- (a) Packaging type \- \*\*(b) Number of transistors on a chip\*\* \- (c) Signal frequency 4\. \*\*Which IC packaging type is used for high-density applications?\*\* \- \*\*(a) Ball Grid Array (BGA)\*\* \- (b) Dual In-line Package (DIP) \- (c) Chip-on-Board (COB) 5\. \*\*The primary material used in semiconductor IC fabrication is:\*\* \- (a) Copper \- (b) Aluminum \- \*\*(c) Silicon\*\* 6\. \*\*TTL stands for:\*\* \- (a) Total Transfer Logic \- \*\*(b) Transistor-Transistor Logic\*\* \- (c) Transmission Time Logic 7\. \*\*Which type of IC is used for memory applications?\*\* \- \*\*(a) DRAM IC\*\* \- (b) CMOS IC \- (c) Analog IC 8\. \*\*The term \'fan-out\' in IC technology refers to:\*\* \- \*\*(a) The number of inputs a logic gate can drive\*\* \- (b) The cooling requirements \- (c) Power consumption 9\. \*\*Which logic family is known for high speed and low power?\*\* \- \*\*(a) CMOS\*\* \- (b) TTL \- (c) ECL 10\. \*\*The process of photolithography in IC manufacturing is used for:\*\* \- \*\*(a) Creating patterns on the silicon wafer\*\* \- (b) Testing circuit functionality \- (c) Assembling components \-\-- \#\#\# \*\*Chapter 9: MSI Logic (Section 9.6 Multiple-Choice Questions)\*\* 1\. \*\*MSI in digital logic stands for:\*\* \- \*\*(a) Medium Scale Integration\*\* \- (b) Minimum Signal Integrity \- (c) Maximum Speed Interface 2\. \*\*An example of an MSI device is:\*\* \- (a) Single transistor \- \*\*(b) 4-bit counter\*\* \- (c) 64-bit processor 3\. \*\*Which logic device is typically used to implement a decoder function?\*\* \- (a) Multiplexer \- \*\*(b) Decoder\*\* \- (c) Comparator 4\. \*\*A 4-to-16 line decoder requires how many input lines?\*\* \- \*\*(a) 4\*\* \- (b) 8 \- (c) 16 5\. \*\*The purpose of an encoder in digital electronics is to:\*\* \- (a) Combine multiple signals \- \*\*(b) Convert information from one format to another\*\* \- (c) Amplify signals 6\. \*\*The term \'fan-in\' in digital circuits refers to:\*\* \- \*\*(a) The number of inputs a gate can handle\*\* \- (b) The power requirement \- (c) The output frequency 7\. \*\*A multiplexer is used to:\*\* \- \*\*(a) Select one of many inputs to pass to the output\*\* \- (b) Divide signals \- (c) Convert analog signals to digital 8\. \*\*Which type of device uses MSI technology to perform addition of two binary numbers?\*\* \- (a) Decoder \- (b) Flip-Flop \- \*\*(c) Adder\*\* 9\. \*\*MSI circuits generally contain:\*\* \- \*\*(a) 10 to 100 gates\*\* \- (b) 1 to 10 gates \- (c) Over 100 gates 10\. \*\*A tri-state buffer is used to:\*\* \- \*\*(a) Control the flow of data on a bus\*\* \- (b) Store data \- (c) Reduce noise \-\-- \#\#\# \*\*Chapter 10: Fibre Optics (Section 10.6 Multiple-Choice Questions)\*\* 1\. \*\*Fiber optic cables are primarily used because they:\*\* \- (a) Are cheaper than copper cables \- \*\*(b) Provide higher bandwidth and less signal loss\*\* \- (c) Are easier to splice 2\. \*\*The core of a fiber optic cable is typically made of:\*\* \- \*\*(a) Glass or plastic\*\* \- (b) Copper \- (c) Rubber 3\. \*\*Dispersion in fiber optics refers to:\*\* \- \*\*(a) The spreading of the light pulse over time\*\* \- (b) Amplification of the light signal \- (c) Absorption of light 4\. \*\*The two main types of fiber optic cables are:\*\* \- (a) Electrical and optical \- \*\*(b) Single-mode and multi-mode\*\* \- (c) Twisted pair and coaxial 5\. \*\*Fiber optic systems are often used in aircraft because:\*\* \- (a) They are heavier \- \*\*(b) They are immune to electromagnetic interference\*\* \- (c) They require less maintenance 6\. \*\*The purpose of the cladding in a fiber optic cable is to:\*\* \- (a) Protect the core from moisture \- \*\*(b) Reflect light back into the core\*\* \- (c) Provide strength 7\. \*\*Which of the following is a disadvantage of fiber optic cables?\*\* \- \*\*(a) Difficulty in splicing\*\* \- (b) High signal loss \- (c) Low bandwidth 8\. \*\*Attenuation in a fiber optic cable is primarily caused by:\*\* \- \*\*(a) Scattering and absorption\*\* \- (b) Electrical interference \- (c) Signal reflection 9\. \*\*Which type of fiber optic cable is best for long-distance communication?\*\* \- (a) Multi-mode \- \*\*(b) Single-mode\*\* \- (c) Coaxial 10\. \*\*The main function of a light source in a fiber optic communication system is to:\*\* \- \*\*(a) Convert electrical signals into light signals\*\* \- (b) Amplify light \- (c) Filter signals \#\#\# \*\*Chapter 11: Displays (Section 11.4 Multiple-Choice Questions)\*\* 1\. \*\*A Cathode Ray Tube (CRT) is primarily used in:\*\* \- (a) modern avionic displays \- \*\*(b) older avionic displays\*\* \- (c) only radar systems 2\. \*\*What is the main benefit of using Liquid Crystal Displays (LCDs) over CRTs?\*\* \- (a) higher power consumption \- (b) heavier weight \- \*\*(c) lower power consumption\*\* 3\. \*\*Active Matrix Liquid Crystal Displays (AMLCDs) are preferred in avionics because they:\*\* \- (a) provide lower resolution \- \*\*(b) offer better color and clarity\*\* \- (c) are more susceptible to glare 4\. \*\*The refresh rate of a display indicates:\*\* \- (a) the brightness level \- \*\*(b) how often the image is updated per second\*\* \- (c) the lifespan of the display 5\. \*\*Which type of display uses organic compounds to emit light when an electric current is applied?\*\* \- (a) LED \- \*\*(b) OLED\*\* \- (c) CRT 6\. \*\*The term \'response time\' in display technology refers to:\*\* \- (a) the time it takes to start up \- \*\*(b) how quickly a pixel changes from one color to another\*\* \- (c) the time it takes to install 7\. \*\*Which display technology is known for its use in direct sunlight conditions?\*\* \- (a) CRT \- (b) Plasma \- \*\*(c) LCD\*\* 8\. \*\*Which display type is known for emitting more heat and requiring more power?\*\* \- \*\*(a) CRT\*\* \- (b) LED \- (c) LCD 9\. \*\*One disadvantage of OLED displays is:\*\* \- \*\*(a) shorter lifespan compared to LCDs\*\* \- (b) lower color accuracy \- (c) poor brightness levels 10\. \*\*The main advantage of a multi-function display (MFD) is:\*\* \- (a) displaying only one type of data \- \*\*(b) combining multiple types of information in one display\*\* \- (c) reducing the need for touchscreens \-\-- \#\#\# \*\*Chapter 12: ESD (Electrostatic Discharge) (Section 12.5 Multiple-Choice Questions)\*\* 1\. \*\*ESD primarily occurs due to:\*\* \- \*\*(a) a sudden flow of electricity between charged objects\*\* \- (b) thermal expansion \- (c) electromagnetic radiation 2\. \*\*To prevent ESD damage, technicians should:\*\* \- (a) use plastic gloves \- \*\*(b) use anti-static wrist straps and grounding mats\*\* \- (c) wear rubber shoes 3\. \*\*Which material is least likely to generate ESD?\*\* \- \*\*(a) Conductive material\*\* \- (b) Plastic \- (c) Glass 4\. \*\*Static-sensitive devices are often handled in:\*\* \- \*\*(a) ESD-safe workstations\*\* \- (b) wooden boxes \- (c) metal cabinets 5\. \*\*CMOS chips are:\*\* \- \*\*(a) highly susceptible to ESD damage\*\* \- (b) immune to ESD \- (c) unaffected by voltage changes 6\. \*\*The term \"triboelectric effect\" refers to:\*\* \- (a) the emission of light by a semiconductor \- \*\*(b) generation of static charge by contact and separation\*\* \- (c) a type of electrical noise 7\. \*\*An ESD event can cause:\*\* \- (a) component enhancement \- \*\*(b) immediate or latent failure of components\*\* \- (c) improved conductivity 8\. \*\*Which of these is NOT a method to protect against ESD?\*\* \- (a) Grounding \- (b) Anti-static packaging \- \*\*(c) Humidity reduction\*\* 9\. \*\*An ESD-protective wrist strap is designed to:\*\* \- (a) increase body temperature \- \*\*(b) safely dissipate static charges\*\* \- (c) prevent electric shocks 10\. \*\*The symbol for an ESD-sensitive device includes:\*\* \- \*\*(a) a hand and a triangle\*\* \- (b) a bolt of lightning \- (c) a circle with a line through it \-\-- \#\#\# \*\*Chapter 13: Software (Section 13.5 Multiple-Choice Questions)\*\* 1\. \*\*Software in avionics must be certified to ensure:\*\* \- (a) high-resolution graphics \- \*\*(b) reliability and safety\*\* \- (c) compatibility with all devices 2\. \*\*Which document standard is most critical for avionics software certification?\*\* \- (a) ISO 9001 \- \*\*(b) DO-178C\*\* \- (c) DO-160 3\. \*\*The highest software criticality level in avionics is:\*\* \- (a) Level D \- (b) Level B \- \*\*(c) Level A\*\* 4\. \*\*The primary reason for regular software updates in avionics is:\*\* \- \*\*(a) to fix bugs and improve functionality\*\* \- (b) to add new color schemes \- (c) to reduce storage requirements 5\. \*\*Firmware in avionics systems refers to:\*\* \- (a) a temporary program loaded into memory \- \*\*(b) software permanently embedded into hardware\*\* \- (c) an application software package 6\. \*\*What does DO-178C Level A certification represent?\*\* \- \*\*(a) Software failure could cause a catastrophic failure of the aircraft\*\* \- (b) Software failure has no significant impact \- (c) Software failure could cause minor inconvenience 7\. \*\*Data verification in avionics software ensures:\*\* \- (a) improved graphics \- \*\*(b) integrity and accuracy of data\*\* \- (c) faster load times 8\. \*\*An example of safety-critical software in aviation is:\*\* \- \*\*(a) Flight Control Software\*\* \- (b) In-flight entertainment systems \- (c) Passenger communication software 9\. \*\*Which of the following tools is used for software testing in avionics?\*\* \- (a) Photo editor \- (b) Spreadsheet software \- \*\*(c) Static code analysis tools\*\* 10\. \*\*Which level of software criticality is applicable when software failure results in negligible impact?\*\* \- (a) Level A \- \*\*(b) Level D\*\* \- (c) Level C \-\-- \#\#\# \*\*Chapter 14: EMC (Electromagnetic Compatibility) (Section 14.7 Multiple-Choice Questions)\*\* 1\. \*\*Electromagnetic interference (EMI) is commonly generated by:\*\* \- \*\*(a) electronic circuits and devices\*\* \- (b) only natural sources \- (c) sound waves 2\. \*\*Electromagnetic compatibility (EMC) is essential in avionics to:\*\* \- (a) reduce system cost \- \*\*(b) prevent systems from interfering with each other\*\* \- (c) enhance software quality 3\. \*\*Grounding in aircraft systems helps to:\*\* \- (a) increase aircraft weight \- \*\*(b) reduce the risk of EMI\*\* \- (c) increase fuel efficiency 4\. \*\*Which device is typically used to measure EMI?\*\* \- \*\*(a) Spectrum analyzer\*\* \- (b) Voltmeter \- (c) Barometer 5\. \*\*Which of the following is NOT a common cause of EMI in avionics?\*\* \- (a) Poor shielding \- (b) High-frequency switching \- \*\*(c) Proper cable routing\*\* 6\. \*\*An example of an EMC protection technique is:\*\* \- \*\*(a) using shielded cables\*\* \- (b) reducing voltage \- (c) increasing temperature 7\. \*\*Which frequency range is most prone to causing EMI?\*\* \- (a) Very low frequencies \- (b) Audible range \- \*\*(c) High-frequency range\*\* 8\. \*\*EMC testing in avionics is required to ensure:\*\* \- \*\*(a) safe operation in all environments\*\* \- (b) software efficiency \- (c) better aerodynamics 9\. \*\*What is the function of a filter in EMC control?\*\* \- (a) To enhance signal strength \- \*\*(b) To block unwanted frequencies\*\* \- (c) To reduce voltage 10\. \*\*Which component is most likely to emit EMI in an aircraft?\*\* \- \*\*(a) High-power transmitter\*\* \- (b) Passenger seats \- (c) Cargo hold lights \-\-- \#\#\# \*\*Chapter 15: Avionic Systems (Section 15.11 Multiple-Choice Questions)\*\* 1\. \*\*The primary purpose of the Aircraft Communication Addressing and Reporting System (ACARS) is:\*\* \- (a) provide passenger information \- \*\*(b) facilitate digital data link communications\*\* \- (c) serve as an emergency backup navigation system 2\. \*\*Which system prevents mid-air collisions by providing traffic alerts?\*\* \- \*\*(a) TCAS (Traffic Collision Avoidance System)\*\* \- (b) GPWS (Ground Proximity Warning System) \- (c) Weather radar 3\. \*\*The Flight Management System (FMS) integrates:\*\* \- \*\*(a) navigation, performance, and aircraft operations\*\* \- (b) in-flight movies \- (c) engine diagnostics 4\. \*\*Fly-by-wire technology replaces:\*\* \- (a) GPS navigation \- \*\*(b) mechanical flight controls\*\* \- (c) radar systems 5\. \*\*The Enhanced Ground Proximity Warning System (EGPWS) improves:\*\* \- \*\*(a) situational awareness and terrain avoidance\*\* \- (b) fuel efficiency \- (c) passenger comfort 6\. \*\*The Mode-S transponder is used for:\*\* \- (a) satellite communication \- \*\*(b) aircraft identification and altitude reporting\*\* \- (c) cabin pressure control 7\. \*\*Avionics cooling is essential to:\*\* \- (a) increase system noise \- (b) reduce system weight \- \*\*(c) prevent overheating of electronic components\*\* 8\. \*\*The primary function of the radar altimeter is to:\*\* \- (a) measure airspeed \- (b) detect other aircraft \- \*\*(c) measure altitude above ground level\*\* 9\. \*\*Which avionics system assists pilots in low-visibility landings?\*\* \- \*\*(a) Instrument Landing System (ILS)\*\* \- (b) GPS \- (c) ACARS 10\. \*\*Inertial Navigation Systems (INS) are primarily used for:\*\* \- (a) entertainment systems \- \*\*(b) dead reckoning navigation\*\* \- (c) weather monitoring \-\-- \#\#\# \*\*Chapter 16: Aircraft Data Networks and AFDX (Section 16.11 Multiple-Choice Questions)\*\* 1\. \*\*The Avionics Full-Duplex Switched Ethernet (AFDX) protocol provides:\*\* \- (a) wireless communication \- \*\*(b) high-speed and deterministic data transfer\*\* \- (c) encrypted voice transmission 2\. \*\*Integrated Modular Avionics (IMA) refers to:\*\* \- (a) segregated analog systems \- \*\*(b) sharing hardware across multiple avionics functions\*\* \- (c) using proprietary cables 3\. \*\*The term \'virtual link\' in AFDX indicates:\*\* \- \*\*(a) a logical path for data transmission\*\* \- (b) a physical fiber optic link \- (c) a pilot-to-ground communication link 4\. \*\*Redundancy in AFDX networks is achieved by:\*\* \- (a) tripling the network speed \- \*\*(b) using dual independent networks\*\* \- (c) adding more switches 5\. \*\*ARINC 664 defines:\*\* \- (a) power requirements for avionics \- \*\*(b) networking standards for aircraft data\*\* \- (c) weight limits for avionics racks 6\. \*\*The benefit of AFDX over ARINC 429 is:\*\* \- \*\*(a) higher data rates and flexibility\*\* \- (b) simpler installation \- (c) lower power consumption 7\. \*\*AFDX uses a switched Ethernet architecture to:\*\* \- (a) increase weight \- \*\*(b) allow simultaneous data transmission\*\* \- (c) reduce cable lengths 8\. \*\*The key feature of an AFDX network is:\*\* \- (a) analog signaling \- \*\*(b) deterministic timing\*\* \- (c) power over Ethernet 9\. \*\*Data integrity in AFDX is maintained by:\*\* \- \*\*(a) error detection and correction protocols\*\* \- (b) manual checks \- (c) redundant power supplies 10\. \*\*An AFDX end system is responsible for:\*\* \- \*\*(a) managing communication between the network and avionics equipment\*\* \- (b) cleaning the aircraft cabin \- (c) air conditioning control \-\--