clock definition computer

A computer will normally have a maximum clock speed set by default, but it is possible to change this speed in the computer BIOS. The higher the frequency of the CPU's clock, the more logical operations it can perform per second. Every computer contains an internal clock that measures the rate a central processing unit (CPU) executes instructions and synchronizes all of the various computer components. clock definition: 1. a device for measuring and showing time, usually found in or on a building and not worn by a…. Clock definition, an instrument for measuring and recording time, especially by mechanical means, usually with hands or changing numbers to indicate the hour and minute: not designed to be worn or carried about. For example, a busy computer often “borrows” time from the clock. Specifically, system_clock is a system-wide realtime clock. Computer processors can execute one or more instructions per clock cycle, depending on the type of processor. Devices operating on several physical processes have been used over the … The display of third-party trademarks and trade names on this site does not necessarily indicate any affiliation or the endorsement of PCMag. © 1996-2020 Ziff Davis, LLC. used in gay vernacular especially among drag queens to call out someone's flaws, to uncover or reveal the truth in a situation or one's true gender Clock definition, an instrument for measuring and recording time, especially by mechanical means, usually with hands or changing numbers to indicate the hour and minute: not designed to be worn or carried about. A clock or watch is called "analog" when it has moving hands and (usually) hours marked from 1 to 12 to show you the time. Please tell us where you read or heard it (including the quote, if possible). The clock ensures that the various circuits inside a computer work together at the same time. How to use clock … Computer processors can execute one or more instructions per clock cycle, depending on the type of processor. Some have Roman Numerals (I, II, III, etc) instead, or no numbers at all! Clock definition is - a device other than a watch for indicating or measuring time commonly by means of hands moving on a dial; broadly : any periodic system by which time is measured. Similarly, in a communications device, a clock is used to set the transmission speed and may also be used to synchronize the pulses between sender and receiver. Alternatively referred to as clock rate and processor speed, clock speed is the speed that the microprocessor executes each instruction or each vibration of the clock.The CPU requires a fixed number of clock ticks, or cycles, to execute each instruction.. A 2 GHz CPU gets two billion pulses per second. clock cycle: In a computer, the clock cycle is the time between two adjacent pulses of the oscillator that sets the tempo of the computer processor. Since only simple commands can be performed during each cycle, most CPU processes require multiple clock cycles. When your computer realizes that it needs more clock cycles (say, when you’re trying to render a video), then it will crosscheck the need for speed with its temperature. For example, a busy computer often “borrows” time from the clock. The unit of measurement called a hertz (Hz), which is technically one cycle per second, is used to measure clock speed. A source of regularly occurring pulses used to measure the passage of time, as in a computer. Meaning of clock frequency. Dictionary entry overview: What does system clock mean? An instrument other than a watch for measuring or indicating time, especially a mechanical or electronic device having a numbered dial and moving hands or a digital display. Clock classes provide access to the current time_point. CPU clock speed, or clock rate, is measured in Hertz — generally in gigahertz, or GHz. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units: the day, the lunar month, and the year. 3. Computer performance is the amount of work accomplished by a computer system. Since modern CPUs run much faster (up to 3 GHz), the CPU can execute several instructions in a single clock tick. If you click an affiliate link and buy a product or service, we may be paid a fee by that merchant. In computing, overclocking is the practice of increasing the clock rate of a computer to exceed that certified by the manufacturer. Enrich your vocabulary with the English Definition dictionary Test Your Knowledge - and learn some interesting things along the way. Conversely, having more processor cores, but a slower clock speed means your computer can work with more applications at a time, but each may run a little slower. A time-of-day clock in a computer system ; An electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components. Enrich your vocabulary with the English Definition dictionary Delivered to your inbox! Find out inside PCMag's comprehensive tech and computer-related encyclopedia. It is a single increment of the central processing unit (CPU) clock during which … A PC’s clock speed is an indicator of its performance and how rapidly a CPU can process data (move individual bits). For personal computers, clock ticks generally refer to the main system clock, which runs at 66 MHz.This means that there are 66 million clock ticks (or cycles) per second. Nearest Clock speed is the rate at which a computer’s CPU executes instructions. He's making a quiz, and checking it twice... Test your knowledge of the words of the year. clock 1 (klŏk) n. 1. One megahertz is equal to one million cycles per second, while one gigahertz equals one billion cycles per second. A real-time clock (RTC) is a computer clock, usually in the form of an integrated circuit that is solely built for keeping time. Derived forms: system clocks. See per clock, clockless computing and Hertz. PCMag.com is a leading authority on technology, delivering Labs-based, independent reviews of the latest products and services. Internal clock definition is - a system in the body that controls when a person needs to sleep, eat, etc.. How to use internal clock in a sentence. Since only simple commands can be performed during each cycle, most CPU processes require multiple clock cycles. Naturally, it counts hours, minutes, seconds, months, days and even years. A clock is a device used to measure, keep, and indicate time. Specifically, system_clock is a system-wide realtime clock. In other words: not a digital clock. Conversely, having more processor cores, but a slower clock speed means your computer can work with more … See the full definition for clock in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for clock, Nglish: Translation of clock for Spanish Speakers, Britannica English: Translation of clock for Arabic Speakers, Britannica.com: Encyclopedia article about clock. “Clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clock. Clock speed is usually measured in MHz (megahertz, or millions of pulses per second) or GHz (gigahertz, or billions of pulses per second). Countermeasure. Your computer’s CPU’s performance depends on clock rate of the CPU as well as its core numbers. Accessed 20 Dec. 2020. Naturally, it counts hours, minutes, seconds, months, days and even years. The accuracy determines how close the clock is to an official time reference like UTC. It is usually measured in MHz (Megahertz) or GHz (Gigahertz). A "timesharing clock" interrupts the CPU at regular intervals and allows the operating system to divide its time between active users and/or applications. clock definition: 1. a device for measuring and showing time, usually found in or on a building and not worn by a…. The user-cpu time and system-cpu time are pretty much as you said - the amount of time spent in user code and the amount of time spent in kernel code. This seems simple on its face. This article has discussed all the clock rate of a CPU. Encyclopedia: System clock. A "real-time clock," also called the "system clock," keeps track of the time of day and makes this data available to the software. Clock definition is - a device other than a watch for indicating or measuring time commonly by means of hands moving on a dial; broadly : any periodic system by which time is measured. Learn a new word every day. PCMag, PCMag.com and PC Magazine are among the federally registered trademarks of Ziff Davis, LLC and may not be used by third parties without explicit permission. The clock period or cycle time, T c, is the time between rising edges of a repetitive clock signal.Its reciprocal, f c = 1/T c, is the clock frequency.All else being the same, increasing the clock frequency increases the work that a digital system can accomplish per unit time. Again, if you prefer a formal definition: " Accuracy is the closeness of the agreement between the result of a measurement and a true value of the measurand." CMOS (pronounced see-moss) is sometimes referred to as Real-Time Clock (RTC), CMOS RAM, Non-Volatile RAM (NVRAM), Non-Volatile BIOS memory, or complementary … a microchip that regulates the timing and speed of all computer functions. In computers, the clock cycle is the amount of time between two pulses of an oscillator. 2. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! A typical computer’s clock can be off by as much as several minutes a day, depending on what the computer is doing. Internal clock definition is - a system in the body that controls when a person needs to sleep, eat, etc.. How to use internal clock in a sentence. Commonly, operating voltage is also increased to maintain a component's operational stability at accelerated speeds. A time-of-day clock in a computer system ; An electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components. Using a quartz crystal, the CPU clock breathes life into the microprocessor by feeding it a constant flow of pulses. Also called clock rate, the speed at which a microprocessor executes instructions.Every computer contains an internal clock that regulates the rate at which instructions are executed and synchronizes all the various computer components. A computer will normally have a maximum clock speed set by default, but it is possible to change this speed in the computer BIOS. The computer becomes so obsessed with a task that the basic job of updating the PC’s ticker just doesn’t happen. For example, a 4GHz processor performs 4,000,000,000 clock cycles per second. Wall-clock time is the time that a clock on the wall (or a stopwatch in hand) would measure as having elapsed between the start of the process and 'now'. Type of: clock, electronic device. A PC’s clock speed is an indicator of its performance and how rapidly a CPU can process data (move individual bits). A higher frequency (bigger number) suggests better performance in … It is typically measured in megahertz or gigahertz. 4. 14th century, in the meaning defined at sense 1, 1883, in the meaning defined at transitive sense 1a, Middle English clok, from Middle Dutch clocke bell, clock, from Old French or Medieval Latin; Old French dialect (Picard) cloque bell, from Medieval Latin clocca, of Celtic origin; akin to Middle Irish clocc bell. The computer becomes so obsessed with a task that the basic job of updating the PC’s ticker just doesn’t happen. An internal timing device. A time clock. This article has discussed all the clock rate of a CPU. A CPU’s clock speed rate is a measure of how many clock cycles a CPU can perform per second. Clock properties realtime It is intended to represent the real time, and thus it can be translated in some way to and from calendar representations (see to_time_t and from_time_t member functions). What does system clock actually mean? Clock properties realtime It is intended to represent the real time, and thus it can be translated in some way to and from calendar representations (see to_time_t and from_time_t member functions). Basically, having a high clock speed but just one or two cores means your computer will be able to load and interact with a single application quickly. A clock not only needs to be read, it must be set, too. Can you spell these 10 commonly misspelled words? Define system clock. An instrument other than a watch for measuring or indicating time, especially a mechanical or electronic device having a numbered dial and moving hands or a digital display. Definition of system clock in the Definitions.net dictionary. Similarly, in a communications device, a clock is used to set the transmission speed and may also be used to synchronize the pulses between sender and receiver. A clock or watch is called "analog" when it has moving hands and (usually) hours marked from 1 to 12 to show you the time. The clock rate, or clock speed, of a computer is the rate at which a central processing unit is able to perform basic functions.It is normally measured in megahertz, or millions of cycles per second, or even gigahertz, which are billions of cycles per second. The clock frequency of a CPU is normally determined by the frequency of an oscillator crystal. Clock rate means the number of pulses generated by CPU in one second. This page contains a technical definition of Clock Speed. signed count Real-Time Clock: A real-time clock (RTC) is a computer clock, usually in the form of an integrated circuit that is solely built for keeping time. Encyclopedia: System clock. Some have Roman Numerals (I, II, III, etc) instead, or no numbers at all! See more. Alternatively referred to as clock rate and processor speed, clock speed is the speed that the microprocessor executes each instruction or each vibration of the clock.The CPU requires a fixed number of clock ticks, or cycles, to execute each instruction.. (The reference to a wall clock is how the term originally got its name.) If it’s cool enough, that means there’s thermal overhead for it to over-clock, at which point it will bring itself up to the boost speed. The accuracy determines how close the clock is to an official time reference like UTC. • SYSTEM CLOCK (noun) The noun SYSTEM CLOCK has 2 senses:. Basically, having a high clock speed but just one or two cores means your computer will be able to load and interact with a single application quickly. Definition of clock frequency in the Definitions.net dictionary. Clock Cycle: A clock cycle, or simply a "cycle," is a single electronic pulse of a CPU . clock cycle: In a computer, the clock cycle is the time between two adjacent pulses of the oscillator that sets the tempo of the computer processor. Clock Cycle: A clock cycle, or simply a "cycle," is a single electronic pulse of a CPU . • SYSTEM CLOCK (noun) The noun SYSTEM CLOCK has 2 senses: 1. a time-of-day clock in a computer system 2. an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components A higher frequency (bigger number) suggests better performance in … Learn more. In a computer, clock speed refers to the number of pulses per second generated by an oscillator that sets the tempo for the processor. Learn more. Steve Gschmeissner / Getty Images. A PC’s clock speed is an indicator of its performance and how rapidly a CPU can process data (move individual bits). Type of: clock, electronic device. A PC’s clock speed is an indicator of its performance and how rapidly a CPU can process data (move individual bits). The clock speed is measured in Hz, typically either megahertz (MHz) or gigahertz (GHz). wall time (real-world time or wall-clock time): Wall time, also called real-world time or wall-clock time, refers to elapsed time as determined by a chronometer such as a wristwatch or wall clock. computer clock definition in English dictionary, computer clock meaning, synonyms, see also 'computer architecture',computer conferencing',computer dating',computer game'. 'Nip it in the butt' or 'Nip it in the bud'. system clock (noun) an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components. How to Free Up Space on Your iPhone or iPad, How to Save Money on Your Cell Phone Bill, How to Find Free Tools to Optimize Your Small Business, How to Get Started With Project Management. CMOS Battery on a Computer Motherboard. An X-series Intel® processor might outperform a K-series processor with a higher clock speed, because it splits tasks between more cores and features a larger CPU cache. computer clock definition in English dictionary, computer clock meaning, synonyms, see also 'computer architecture',computer conferencing',computer dating',computer game'. 'All Intensive Purposes' or 'All Intents and Purposes'? A clock not only needs to be read, it must be set, too. Calculating Clock, the earliest known calculator, built in 1623 by the German astronomer and mathematician Wilhelm Schickard.He described it in a letter to his friend the astronomer Johannes Kepler, and in 1624 he wrote again to explain that a machine that he had commissioned to be built for Kepler was, apparently along with the prototype, destroyed in a fire. Your computer’s CPU’s performance depends on clock rate of the CPU as well as its core numbers. The quartz crystal generates continuous waves, which are converted into digital pulses. The CPU requires a fixed number of clock ticks (or clock cycles) to execute each instruction. ... a time-of-day clock in a computer system. How to use clock … Noun: system clock. For example, a 200 MHz CPU receives 200 million pulses per second from the clock. Clock classes provide access to the current time_point. Clock speed is measured by how many ticks per second the clock makes. Nearest It explains in computing terminology what Clock Speed means and is one of many technical terms in the TechTerms dictionary. We Got You This Article on 'Gift' vs. 'Present'. TechTerms - The Tech Terms Computer Dictionary. The clock speed is measured in Hz, typically either megahertz (MHz) or gigahertz (GHz). During each cycle, a CPU can perform a basic operation such as fetching an instruction, accessing memory, or writing data. In other words: not a digital clock. signed count For example, a CPU with a clock rate of 1.8 GHz can perform 1,800,000,000 clock cycles per second. During each cycle, a CPU can perform a basic operation such as fetching an instruction, accessing memory, or writing data. It basically depends on response time, throughput and execution time of a computer … 2. A typical computer’s clock can be off by as much as several minutes a day, depending on what the computer is doing. PCMag Digital Group. The word performance in computer performance means “How well is the computer doing the work it is supposed to do?”. See more. The frequency of the periodic pulse that schedule the function and use of a digital computer. system clock (noun) an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components How to pronounce system clock? Again, if you prefer a formal definition: " Accuracy is the closeness of the agreement between the result of a measurement and a true value of the measurand." system clock synonyms, system clock pronunciation, system clock translation, English dictionary definition of system clock. The microprocessor clock in a 2- GHz computer ticks twice as fast (2,000,000,000 cycles per second) as the microprocessor clock in a 1-GHz computer (1,000,000,000 cycles per second). used in gay vernacular especially among drag queens to call out someone's flaws, to uncover or reveal the truth in a situation or one's true gender Meaning of system clock. Clock Speed Clock speed is the rate at which a processor can complete a processing cycle. Our expert industry analysis and practical solutions help you make better buying decisions and get more from technology. For example, a CPU with a higher clock speed from five years ago might be outperformed by a new CPU with a lower clock speed, as the newer architecture deals with instructions more efficiently. Clock rate means the number of pulses generated by CPU in one second. In electronics and especially synchronous digital circuits, a clock signal (historically also known as logic beat ) oscillates between a high and a low state and is used like a metronome to coordinate actions of digital circuits. Semiconductor devices operated at higher frequencies and voltages increase power consumption and heat. Derived forms: system clocks. The higher the frequency of the CPU's clock, the more logical operations it can perform per second. All definitions on the TechTerms website are written to be technically accurate but also easy to understand. What made you want to look up clock? Same as a cycle, the smallest unit of time recognized by a device. Noun: system clock. 1. a time-of-day clock in a computer system 2. an electronic device in a computer that issues a steady high-frequency signal that synchronizes all the internal components Familiarity information: SYSTEM CLOCK used as a noun is rare. It is usually measured in MHz (Megahertz) or GHz (Gigahertz). The microprocessor clock is not a chronometer, but a signal generator that outputs pulses at a high, precise, constant frequency. If the difference between the client computer clock and the domain controller clock is less than the maximum time difference specified in this setting, any time stamp that is used in a session between the two computers is considered to be authentic. For example, a 4GHz processor performs 4,000,000,000 clock cycles per second. Doesn’T happen explains in computing terminology what clock speed is the amount of work accomplished by a device to. Gets two billion pulses per second, while one gigahertz equals one billion cycles per second while! 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