Analog Digital and Hybrid Computers MCQ Set 2 — 20 MCQ Practice
What prevents an analog computer from giving 100% identical results for the exact same input every single time?
Because analog systems rely on physical quantities, subtle environmental shifts (like temperature changing circuit resistance) alter computational values slightly.
The internal operations of a hybrid computer require which component to bridge its two distinct halves?
Converters (ADC/DAC) are essential to transform continuous analog signals into discrete digital representations, and vice versa.
Which type of computer is custom-built to solve differential equations directly by wiring electronic circuits?
Operational amplifiers in analog computers can be configured to integrate and differentiate signals, allowing them to solve complex differential equations directly.
Your personal smartphone belongs to which broad classification of data handling?
Smartphones utilize advanced microprocessors and semiconductor memory architectures to run entirely on binary digital processing.
Which system can process both numeric text data and continuous environmental telemetry seamlessly?
Hybrid systems excel in processing both continuous physical data (like temperature telemetry) and static symbolic data (numeric inputs).
The output of an analog computer is usually displayed in the form of:
Because outputs are continuous voltages, they are traditionally plotted on paper rolls, oscilloscopes, or rotary voltmeters.
Which type of computer consumes less time to execute complex mathematical models of physical systems because it doesn't use iterative loops?
Analog circuits resolve physical mathematical calculations instantaneously and continuously, avoiding the need for discrete step-by-step iteration.
The term "discrete" in digital computing means that data is represented by:
Discrete values are individually distinct and separate, as opposed to continuous analog values which represent fluid, infinite ranges.
Seismographs used to measure earthquake waves automatically use what tracking method initially?
Traditional seismographs use an analog approach where mechanical motion is continuously plotted onto paper rolls or as electrical signals.
Which computer type requires programming by physically patching cables and adjusting potentiometers rather than writing code lines?
Programming an early analog computer involved manually interconnecting physical circuit modules with patch cables to model a specific equation.
Which of the following is NOT an advantage of digital computers over analog computers?
Reprogramming digital systems always requires code compilation, whereas analog systems can simulate physical phenomena directly via circuit layouts.
Flight simulators used for training pilots run on what category of processing setup?
Simulators use hybrid systems because they need analog circuits to model real-time fluid dynamics (flight control) alongside digital processing to run display graphics.
Digital computers have memory capacity measured in:
Discrete memory arrays are structurally measured in 8-bit groups called bytes.
The fundamental building block of an analog computer is the:
Operational Amplifiers (Op-Amps) are the core active components in analog computers, performing math functions like addition, subtraction, integration, and differentiation.
Which parameter is measured by an analog computer to calculate output?
Analog computing uses physical parameters like variable voltage levels, current, or electrical resistance to perform computations.
What type of computer handles logic operations like AND, OR, and NOT directly through software instructions?
Logic gate operations are fundamental to binary processing, which is the core architectural mechanism of digital computers.
Missile guidance systems and space shuttle control rooms extensively deploy:
These platforms require hybrid systems to handle high-frequency continuous telemetry tracking and digital guidance calculation simultaneously.
The resolution of an analog computer is:
Unlike digital steps (quantization), analog voltages have a theoretically infinite range of values, allowing infinite resolution.
When you type letters on a digital keyboard, the computer translates them using which system?
Digital keyboards convert keypress events into precise, standardized binary numbers using character encoding systems like ASCII or Unicode.
Which computer type is highly specialized and lacks the flexibility to run general consumer applications like video games or word processors?
Analog computers are highly specialized machines engineered for specific physical equations and cannot execute general digital consumer applications.