1.
What is the basic element in computer microchips?
Correct Answer
D. Silicon
Explanation
Silicon is the basic element in computer microchips. This is because silicon has unique electrical properties that make it an ideal material for creating transistors, which are the building blocks of microchips. Silicon is a semiconductor, meaning it can conduct electricity under certain conditions. It is abundant, relatively inexpensive, and can be easily processed into wafers, making it the preferred material for manufacturing microchips. Additionally, silicon has a high melting point and is chemically stable, which allows microchips to operate at high temperatures without degrading.
2.
Chips with circuits that can do the work of all the different parts of a computer are called
Correct Answer
B. Microprocessors
Explanation
Microprocessors are chips with circuits that are capable of performing the functions of all the different parts of a computer. They are essentially the "brain" of a computer, responsible for executing instructions, performing calculations, and controlling the overall operation of the system. Microprocessors are commonly used in various electronic devices, including computers, smartphones, and tablets, due to their compact size and high processing power.
3.
In the computer complex, what type of gate sends a pulse only when it receives a pulse at both its terminals?
Correct Answer
D. AND
Explanation
AND gate is the correct answer because it is a logic gate that produces a high output only when both of its inputs are high. In other words, it sends a pulse only when it receives a pulse at both its terminals.
4.
What is the heart of the entire computer complex data processing system?
Correct Answer
C. CPU
Explanation
The CPU, or Central Processing Unit, is the heart of the entire computer complex data processing system. It is responsible for executing instructions and performing calculations, making it a crucial component in processing and managing data. The CPU acts as the brain of the computer, coordinating and controlling the various operations of the system. Without the CPU, the computer would not be able to perform any tasks or process any data, making it the central component in the data processing system.
5.
What controls the speed of a computer's activities?
Correct Answer
C. Clock
Explanation
The clock controls the speed of a computer's activities. The clock is an electronic component that generates a regular pulse or signal, known as clock cycles, which synchronize the operations of the computer's components. It determines the rate at which instructions are executed and data is processed. The clock speed is measured in hertz (Hz) and a higher clock speed generally results in faster processing and execution of tasks.
6.
What part of a computer acts like a sophisticated switchboard operator?
Correct Answer
C. Control unit
Explanation
The control unit in a computer acts like a sophisticated switchboard operator. It is responsible for coordinating and controlling the activities of other components in the computer. Similar to a switchboard operator, the control unit receives and interprets instructions from the memory, and then directs the flow of data and instructions to the appropriate components, such as the arithmetic unit and logic unit. It ensures that the instructions are executed in the correct sequence and coordinates the timing of operations. In this way, the control unit plays a crucial role in managing the overall operation of the computer system.
7.
Where does the arithmetic/logic unit of a computer store the intermediate results of arithmetic operations?
Correct Answer
B. Registers
Explanation
The arithmetic/logic unit of a computer stores the intermediate results of arithmetic operations in registers. Registers are small, high-speed storage units located within the CPU. They are used to hold data that is being actively used or manipulated by the CPU. Since registers are located within the CPU itself, they allow for fast access and retrieval of data, making them ideal for storing intermediate results during arithmetic operations.
8.
In the computer complex, primary memory that usually cannot be erased is called
Correct Answer
B. ROM
Explanation
ROM stands for Read-Only Memory, which is a type of primary memory in a computer complex that cannot be erased or modified. It contains permanent instructions and data that are stored during manufacturing and cannot be changed by normal computer operations. ROM retains its contents even when the computer is powered off, making it non-volatile. This makes it ideal for storing firmware and other critical system information that needs to be accessed quickly and reliably. Therefore, ROM is the correct answer for the primary memory that usually cannot be erased in a computer complex.
9.
Random access memory is used to
Correct Answer
A. Store the results of computer calculations
Explanation
Random access memory (RAM) is a type of computer memory that allows data to be read from and written to in any order, making it suitable for storing the results of computer calculations. Unlike other types of memory, RAM is volatile, meaning that its contents are lost when the computer is powered off. Therefore, it is commonly used to temporarily store data that needs to be quickly accessed and manipulated by the computer's processor during calculations or program execution. RAM provides fast and efficient storage for these results, allowing for efficient computation and data processing.
10.
Auxiliary storage in a computer refers to
Correct Answer
D. Memory stored outside the computer
Explanation
Auxiliary storage in a computer refers to memory stored outside the computer. This means that it is additional storage that is not directly connected to the computer's main storage or memory. Auxiliary storage can include devices such as external hard drives, USB flash drives, and cloud storage services. These external storage options provide extra space for storing data that is not immediately needed by the computer's processor, allowing for the storage of large amounts of data that can be accessed when required.
11.
How many pixels per horizontal line does a video graphics array computer monitor have?
Correct Answer
C. 640
Explanation
A video graphics array (VGA) computer monitor typically has 640 pixels per horizontal line. This resolution is a standard for VGA monitors and provides a decent level of detail for most computer applications.
12.
Using a text-based method to display characters and objects on a computer display refers to
Correct Answer
A. Displaying information in the form of printed characters
Explanation
The correct answer is "displaying information in the form of printed characters." This is because using a text-based method means representing information on a computer display using characters that resemble printed text. This method is commonly used in command line interfaces and text editors where text is displayed as a series of characters rather than graphical objects or images.
13.
Which function is supported by the avionics control unit complex?
Correct Answer
D. Weapons delivery
Explanation
The avionics control unit complex supports the function of weapons delivery. This means that it is responsible for controlling and managing the delivery of weapons on the aircraft. It ensures that the weapons are deployed accurately and effectively, allowing the aircraft to engage targets and carry out its mission.
14.
What functions doe the two non-central avionics control units perform?
Correct Answer
C. Terrain following and radar control
Explanation
The two non-central avionics control units are responsible for terrain following and radar control. These functions are crucial for the safe navigation and operation of the aircraft. Terrain following ensures that the aircraft maintains a safe altitude above the ground, especially during low visibility conditions or when flying over uneven terrain. Radar control involves the management and operation of the aircraft's radar system, which is used for detecting and tracking other aircraft, as well as for navigation and situational awareness. These functions are essential for the overall performance and safety of the aircraft.
15.
The avionics control units are not equipped with
Correct Answer
D. A print controller
Explanation
The avionics control units do not have a print controller. A print controller is a device that manages the printing process, but it is not necessary for the functioning of avionics control units. These units are responsible for controlling and monitoring various electronic systems in an aircraft and do not require printing capabilities.
16.
Each central avionics control unit can be loaded from the
Correct Answer
D. Mass storage device
Explanation
The correct answer is mass storage device. Each central avionics control unit can be loaded from a mass storage device. This suggests that the avionics control unit can retrieve or access information from a storage device, such as a hard drive or memory card, which contains the necessary data or software required for its operation. This allows for flexibility and ease of updating or changing the information on the avionics control unit as needed.
17.
Which avionics control unit performs trajectory impact calculations to determine the weapon release point?
Correct Answer
A. Weapons delivery
Explanation
The avionics control unit responsible for performing trajectory impact calculations to determine the weapon release point is the Weapons delivery control unit. This unit is specifically designed to calculate and determine the optimal point for releasing weapons during an operation or mission. It takes into account various factors such as aircraft speed, altitude, target location, and other critical data to ensure accurate weapon delivery and maximum effectiveness.
18.
If the critical data avionics control unit (ACU) is not available when one of the other ACUs fail, the ACU complex
Correct Answer
C. Powers off automatically and the mission is aborted
Explanation
If the critical data avionics control unit (ACU) is not available when one of the other ACUs fail, the ACU complex powers off automatically and the mission is aborted. This means that without the critical data ACU, the system cannot continue processing the necessary functions to carry out the mission successfully, leading to an automatic shutdown and the termination of the mission.
19.
The radar set is managed by the
Correct Answer
C. Terrain following ACU
Explanation
The correct answer is "terrain following ACU". The radar set is managed by the terrain following ACU, which suggests that this unit is responsible for controlling and operating the radar system. The terrain following ACU is specifically designed to provide accurate terrain mapping and navigation information to the aircraft, allowing it to fly at low altitudes and follow the contours of the terrain. This functionality is crucial for missions that require precise navigation and avoidance of obstacles, such as low-level flying or terrain-hugging maneuvers.
20.
The radar data terminal operates in conjunction with the
Correct Answer
C. Terrain following ACU
Explanation
The radar data terminal operates in conjunction with the terrain following ACU. This suggests that the radar data terminal is specifically designed to work together with the terrain following ACU, indicating that they have a close relationship and likely depend on each other for effective operation. This could mean that the radar data terminal provides data or information to the terrain following ACU, or that it receives and processes data from the terrain following ACU.
21.
How many redundant data buses are used in each ACU complex?
Correct Answer
A. 7
Explanation
In each ACU complex, there are 7 redundant data buses used.
22.
Which data bus is part of the avionics multiplex data buses?
Correct Answer
C. A
Explanation
The data bus that is part of the avionics multiplex data buses is A.
23.
How many ACU complex data buses have ground support equipment connectors
Correct Answer
B. 7
Explanation
The correct answer is 7. This means that there are 7 ACU complex data buses that have ground support equipment connectors.
24.
What data buses are used in the ACU complex
Correct Answer
A. 1553B
Explanation
The data buses used in the ACU complex are 1553B.
25.
The data link terminals
Correct Answer
A. Impedance matching and transformer coupling
Explanation
The correct answer is impedance matching and transformer coupling. Impedance matching ensures that the input and output impedances of the data link terminals are matched, allowing for efficient transfer of signals. Transformer coupling is a method of connecting the terminals using transformers, which provide electrical isolation and allow for signal transmission between different impedance levels. This combination of impedance matching and transformer coupling ensures proper signal transmission and compatibility between the data link terminals.
26.
What LRU provides bulk storage for programs and data base information to be transferred to and from the memories of each of the ACUs?
Correct Answer
A. Mass storage device
Explanation
The correct answer is "Mass storage device". A mass storage device is a type of storage that provides bulk storage for programs and database information to be transferred to and from the memories of each of the ACUs (Avionics Control Units). This device allows for the storage and retrieval of large amounts of data, making it suitable for storing programs and database information in an efficient and organized manner.
27.
Whenever the mass storage device is initially loaded or reloaded, the
Correct Answer
B. Avionics control units are automatically declared unloaded
Explanation
When the mass storage device is initially loaded or reloaded, the display electronics unit provides the inputs. As a result, the avionics control units are automatically declared unloaded. This means that the avionics control units are not operational or active until they are specifically loaded. Therefore, in order to ensure proper functioning of the avionics control units, they must be loaded first before any other systems or components can be activated.
28.
How many data transfer sets are used in the ACU complex?
Correct Answer
A. 2
Explanation
The ACU complex uses 2 data transfer sets.
29.
What LRU is a backup for the mass storage device?
Correct Answer
A. Data transfer set
Explanation
The LRU (Last-Resort Unit) is a backup for the mass storage device known as the Data Transfer Set. It is responsible for transferring data between different devices or systems. In case of a failure or malfunction of the primary mass storage device, the LRU can take over and ensure that data transfer operations can still be carried out effectively.
30.
During load management mode 2, the powered data transfer set cavities are
Correct Answer
C. 1 and 2
Explanation
During load management mode 2, the powered data transfer set cavities are 1 and 2.
31.
What LRU controls the overall reading/writing of information on the data transfer set data cartridges?
Correct Answer
A. Transmitter control
Explanation
The correct answer is "Transmitter control." Transmitter control is responsible for managing the overall reading and writing of information on the data transfer set data cartridges. It controls the transmission and reception of data between the data cartridges and the system, ensuring efficient and accurate data transfer.
32.
The controls and displays display electronics unit receives VIDEO and SYNC signals from the
Correct Answer
D. Radar video signal processor
Explanation
The controls and displays display electronics unit receives VIDEO and SYNC signals from the radar video signal processor.
33.
The control and displays display electronics unit can load and update data to
Correct Answer
C. 60 display formats
Explanation
The control and displays display electronics unit is capable of loading and updating data to a total of 60 display formats. This means that it has the ability to handle and present information in various ways, providing flexibility and versatility in displaying data.
34.
The controls and displays display electronics unit transfers data to avionics multiplex data bus
Correct Answer
C. C
Explanation
The controls and displays display electronics unit transfers data to the avionics multiplex data bus. This means that the unit is responsible for sending information to the avionics multiplex data bus, which is a central communication system in the aircraft. By doing so, the unit allows for the exchange of data between different avionics systems and components, enabling proper operation and coordination of various functions in the aircraft.
35.
The defensive system operator and offensive system operator integrated keyboard switch status is monitored by the
Correct Answer
B. Display electronics unit
Explanation
The display electronics unit is responsible for monitoring the integrated keyboard switch status of both the defensive system operator and the offensive system operator. This unit is likely connected to the radar signal processor, general navigation avionics control unit, and terrain following avionics control unit to receive and process the necessary information from these systems.
36.
Which LRU allows the offensive system operator to select between multifunction displays?
Correct Answer
B. Integrated keyboard
Explanation
The integrated keyboard allows the offensive system operator to select between multifunction displays.
37.
The ENTER key on the integrated keyboard is lit when the
Correct Answer
B. Avionics operational flight program requires a direct command
Explanation
The correct answer is that the avionics operational flight program requires a direct command. This means that when the ENTER key on the integrated keyboard is lit, it indicates that the avionics operational flight program is waiting for a direct command from the user. This could be a specific instruction or input that is required to proceed with the program.
38.
When in the display mode, pressing the NEXT switch on the integrated keyboard displays the next
Correct Answer
D. Option set
Explanation
When in the display mode, pressing the NEXT switch on the integrated keyboard displays the option set. This means that pressing the NEXT switch will show a list of available options or choices that the user can select from. This allows the user to navigate through different settings or actions that can be performed in the display mode.
39.
When used together, which LRUs back up the other control panels?
Correct Answer
C. Integrated keyboard and display electronics unit
Explanation
When used together, the integrated keyboard and display electronics unit back up each other control panels. This means that if one of the control panels fails or malfunctions, the integrated keyboard and display electronics unit can take over its functions and ensure the continued operation of the system.
40.
What type of signal can be simulated with the control panel backup feature for the integrated keyboard?
Correct Answer
D. Digital
Explanation
The control panel backup feature for the integrated keyboard can simulate a digital signal. This means that it can replicate a signal that has discrete values, typically represented as a series of 0s and 1s. Digital signals are commonly used in computer systems and electronic devices as they are more reliable and less susceptible to noise interference compared to analog signals. The control panel backup feature allows for the simulation of such digital signals, enabling testing and troubleshooting in various applications.
41.
The movement of the tracking handle crosshair is controlled by the
Correct Answer
C. Crosshair control
Explanation
The correct answer is "crosshair control" because it suggests that the movement of the tracking handle crosshair is controlled by a specific mechanism or feature called "crosshair control." This implies that there is a dedicated control system or function in place to manipulate the crosshair's movements, making it the most logical choice among the given options.
42.
The real beam map switch on the tracking handle enables the
Correct Answer
A. Radar set to generate a single frozen real beam map
Explanation
The real beam map switch on the tracking handle enables the radar set to generate a single frozen real beam map. This means that the radar set can capture and display a static image of the real beam map, allowing for detailed analysis and tracking of targets. This frozen real beam map can be used to track the target accurately and effectively.
43.
What ranges are stepped through when you slide the real beam map switch on the tracking handle backwards?
Correct Answer
C. 160, 80, 40, 20, and 10
Explanation
When you slide the real beam map switch on the tracking handle backwards, the ranges that are stepped through are 160, 80, 40, 20, and 10.
44.
When the crosshair enable trigger switch on the tracking handle is released, the crosshair
Correct Answer
B. Position is entered into the navigation function
Explanation
When the crosshair enable trigger switch on the tracking handle is released, the position of the crosshair is entered into the navigation function. This means that the coordinates of the crosshair's position are recorded and used for navigation purposes, such as determining the direction or route to follow. This information is likely to be used by the system to guide the user or provide relevant information based on the selected position on the radar map.
45.
The offensive systems operator is provided with a video display of navigation, countermeasure, stores management system, and system management data by the
Correct Answer
B. Multifunction display
Explanation
The offensive systems operator is provided with a video display of various important data such as navigation, countermeasure, stores management system, and system management data. This display is known as the multifunction display. It allows the operator to access and monitor multiple functions and systems simultaneously, providing a comprehensive view of the offensive systems and their status. This helps the operator effectively manage and control the offensive systems during operations.
46.
The data presented on the multifunction displays is controlled by the
Correct Answer
A. Navigation/auxiliary control
Explanation
The data presented on the multifunction displays is controlled by the navigation/auxiliary control. This control is responsible for managing and manipulating the information displayed on the multifunction displays. It allows the user to access different navigation functions and auxiliary features, such as radar settings and other integrated systems. The navigation/auxiliary control acts as a central hub for controlling and navigating through the various data options available on the multifunction displays.
47.
If an unacknowledged subsystem message is available, how does the subsystem indicator appear on the multifunction display?
Correct Answer
A. Reverse video
Explanation
When an unacknowledged subsystem message is available, the subsystem indicator appears in reverse video on the multifunction display. This means that the indicator will be displayed with the colors inverted, usually with a dark background and light text. This visual cue helps to draw attention to the unacknowledged message and indicates that action needs to be taken to address the issue.
48.
What type of test pattern apepars on the multifunction displays?
Correct Answer
D. Twelve blocks displayed in four levels of video intensity
Explanation
The correct answer is "Twelve blocks displayed in four levels of video intensity." This means that on the multifunction displays, there are twelve blocks that are shown, and each block is displayed in one of four different levels of video intensity. This test pattern helps to assess the functionality and performance of the displays by checking if all blocks are visible and if the video intensity levels are accurate.
49.
Which control provides the offensive system operator with the ability to apply/remove power from the avionics control unit complex?
Correct Answer
B. Navigation/auxiliary
Explanation
The correct answer is Navigation/auxiliary. This control allows the offensive system operator to apply or remove power from the avionics control unit complex, giving them control over the navigation and auxiliary systems.
50.
Which control is used by the offensive system operator to enable the electronic counter-countermeasures radar mode of operation?
Correct Answer
A. Navigation/auxiliary
Explanation
The offensive system operator uses the Navigation/auxiliary control to enable the electronic counter-countermeasures radar mode of operation. This control allows them to activate the necessary functions and settings to counter any countermeasures employed by the enemy. It is an essential component in ensuring the effectiveness of the radar system in detecting and tracking targets accurately.