Skip to main content
Sign in Register
Question no. 91461

In analog computing systems_______________________?

Select your answer for: In analog computing systems_______________________?
Show answer

Answer: A. Input is never converted to digital form

Explanation

In analog computing systems, input is never converted to digital form for calculation. They process continuous physical quantities directly through electrical circuit responses. Variables like voltage and current represent numbers continuously rather than as discrete bits. Analog computers use operational amplifiers and resistors to model mathematical equations. They contrast sharply with modern digital computers that rely on discrete binary logic. Speed of calculation can be very high because operations occur simultaneously across circuits.

Historical flight simulators used analog computers to calculate aerodynamic responses in real-time. Specialized analog equipment still controls certain industrial signal processing applications. Weather forecasting models historically experimented with analog mechanical predictors. Option Input is first converted to digital form describes digital computers instead. Option Output is displayed in digital form contradicts the continuous analog output nature. Option All of the above is incorrect because the alternative options describe digital systems.

Topic
—
Difficulty
medium

Related questions

Q1. Hard disk drives are classified as _________________ storage media.

Select your answer for: Hard disk drives are classified as _________________ storage media.
Show answer

Answer: B. Non-volatile

Hard disk drives are non-volatile storage media, meaning they retain data when power turns off. Magnetic platters store data persistently until new write operations overwrite the stored sectors. This permanent retention...

Q2. When a nameserver lacks the record to resolve a hostname address___________________?

Select your answer for: When a nameserver lacks the record to resolve a hostname address___________________?
Show answer

Answer: A. server asks to the root server

When a nameserver lacks a DNS record, it asks the root server for help. Root servers direct queries toward the appropriate top-level domain authoritative servers. This recursive lookup process ensures domain names resolv...

Q3. In asynchronous serial transmission, the physical layer furnishes__________________?

Select your answer for: In asynchronous serial transmission, the physical layer furnishes__________________?
Show answer

Answer: C. both A and B

In asynchronous serial transmission, the physical layer furnishes both start and stop signalling. Start and stop bits frame each character to ensure proper synchronization between devices. Flow control mechanisms are als...

Q4. Digital computers encode all expressions into___________________?

Select your answer for: Digital computers encode all expressions into___________________?
Show answer

Answer: B. Binary digits

Digital computers represent all data and instructions using binary digits, which are 0 and 1. Electronic circuits distinguish easily between two distinct voltage levels representing binary states. Complex software progra...

Q5. Web resources across a network are located via___________________?

Select your answer for: Web resources across a network are located via___________________?
Show answer

Answer: A. uniform resource identifier

Web resources across a network are located via uniform resource identifiers. A URI provides a standardized string for identifying abstract or physical resources. URLs and URNs both serve as specific subtypes of this broa...

Q6. In which processing mode does each user operate a dedicated local input/output terminal ?

Select your answer for: In which processing mode does each user operate a dedicated local input/output terminal ?
Show answer

Answer: A. Time sharing mode

In time sharing mode, each user operates a dedicated local input and output terminal. The central computer rapidly switches processor time among multiple connected user terminals. This gives every user the illusion of ha...