A PC’s clock speed is an indicator of its performance and how rapidly a CPU can process data (move individual bits). Clock speed is usually measured in MHz (megahertz, or millions of pulses per second) or GHz (gigahertz, or billions of pulses per second). It is usually measured in MHz (Megahertz) or GHz (Gigahertz). 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. Derived forms: system clocks. 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. 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. signed count Devices operating on several physical processes have been used over the … 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. • 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 The microprocessor clock is not a chronometer, but a signal generator that outputs pulses at a high, precise, constant frequency. 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. What made you want to look up clock? 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. © 1996-2020 Ziff Davis, LLC. Can you spell these 10 commonly misspelled words? computer clock definition in English dictionary, computer clock meaning, synonyms, see also 'computer architecture',computer conferencing',computer dating',computer game'. 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. 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 classes provide access to the current time_point. Commonly, operating voltage is also increased to maintain a component's operational stability at accelerated speeds. 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.. Steve Gschmeissner / Getty Images. In other words: not a digital clock. 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. Your computer’s CPU’s performance depends on clock rate of the CPU as well as its core numbers. 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. In other words: not a digital clock. A clock is a device used to measure, keep, and indicate time. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Type of: clock, electronic device. A CPU’s clock speed rate is a measure of how many clock cycles a CPU can perform per second. 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 1 (klŏk) n. 1. Enrich your vocabulary with the English Definition dictionary 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. It explains in computing terminology what Clock Speed means and is one of many technical terms in the TechTerms dictionary. If you click an affiliate link and buy a product or service, we may be paid a fee by that merchant. Naturally, it counts hours, minutes, seconds, months, days and even years. 3. • SYSTEM CLOCK (noun) The noun SYSTEM CLOCK has 2 senses:. clock definition: 1. a device for measuring and showing time, usually found in or on a building and not worn by a…. Clock speed is measured by how many ticks per second the clock makes. A PC’s clock speed is an indicator of its performance and how rapidly a CPU can process data (move individual bits). In computing, overclocking is the practice of increasing the clock rate of a computer to exceed that certified by the manufacturer. A higher frequency (bigger number) suggests better performance in … The clock ensures that the various circuits inside a computer work together at the same time. CPU clock speed, or clock rate, is measured in Hertz — generally in gigahertz, or GHz. 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. 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. Noun: system clock. Dictionary entry overview: What does system clock mean? 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." Since modern CPUs run much faster (up to 3 GHz), the CPU can execute several instructions in a single clock tick. 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'. PCMag Digital Group. Clock speed is the rate at which a computer’s CPU executes instructions. Clock rate means the number of pulses generated by CPU in one second. 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 quartz crystal generates continuous waves, which are converted into digital pulses. 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. 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). How to use clock … Nearest Semiconductor devices operated at higher frequencies and voltages increase power consumption and heat. The word performance in computer performance means “How well is the computer doing the work it is supposed to do?”. 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. It basically depends on response time, throughput and execution time of a computer … Please tell us where you read or heard it (including the quote, if possible). Computer performance is the amount of work accomplished by a computer system. “Clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/clock. CMOS Battery on a Computer Motherboard. For example, a busy computer often “borrows” time from the clock. Clock Cycle: A clock cycle, or simply a "cycle," is a single electronic pulse of a CPU . One megahertz is equal to one million cycles per second, while one gigahertz equals one billion cycles per second. For example, a CPU with a clock rate of 1.8 GHz can perform 1,800,000,000 clock cycles per second. Since only simple commands can be performed during each cycle, most CPU processes require multiple clock cycles. What does system clock actually mean? It is usually measured in MHz (Megahertz) or GHz (Gigahertz). A PC’s clock speed is an indicator of its performance and how rapidly a CPU can process data (move individual bits). Same as a cycle, the smallest unit of time recognized by a device. 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. 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. For example, a 4GHz processor performs 4,000,000,000 clock cycles per second. Definition of system clock in the Definitions.net dictionary. Conversely, having more processor cores, but a slower clock speed means your computer can work with more … PCMag.com is a leading authority on technology, delivering Labs-based, independent reviews of the latest products and services. computer clock definition in English dictionary, computer clock meaning, synonyms, see also 'computer architecture',computer conferencing',computer dating',computer game'. Noun: system clock. Computer processors can execute one or more instructions per clock cycle, depending on the type of processor. Clock Cycle: A clock cycle, or simply a "cycle," is a single electronic pulse of a CPU . The computer becomes so obsessed with a task that the basic job of updating the PC’s ticker just doesn’t happen. A clock not only needs to be read, it must be set, too. system clock synonyms, system clock pronunciation, system clock translation, English dictionary definition of system clock. 2. A "real-time clock," also called the "system clock," keeps track of the time of day and makes this data available to the software. A time clock. All definitions on the TechTerms website are written to be technically accurate but also easy to understand. 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. Define system clock. Some have Roman Numerals (I, II, III, etc) instead, or no numbers at all! It is a single increment of the central processing unit (CPU) clock during which … The clock speed is measured in Hz, typically either megahertz (MHz) or gigahertz (GHz). TechTerms - The Tech Terms Computer Dictionary. See more. Meaning of clock frequency. Specifically, system_clock is a system-wide realtime clock. 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. signed count During each cycle, a CPU can perform a basic operation such as fetching an instruction, accessing memory, or writing data. Definition of clock frequency in the Definitions.net dictionary. This article has discussed all the clock rate of a CPU. a microchip that regulates the timing and speed of all computer functions. Learn more. Using a quartz crystal, the CPU clock breathes life into the microprocessor by feeding it a constant flow of pulses. 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. An internal timing device. (The reference to a wall clock is how the term originally got its name.) 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. This page contains a technical definition of Clock Speed. Delivered to your inbox! 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 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. Computer processors can execute one or more instructions per clock cycle, depending on the type of processor. He's making a quiz, and checking it twice... Test your knowledge of the words of the year. The CPU requires a fixed number of clock ticks (or clock cycles) to execute each instruction. 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. 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. The accuracy determines how close the clock is to an official time reference like UTC. A "timesharing clock" interrupts the CPU at regular intervals and allows the operating system to divide its time between active users and/or applications. This article has discussed all the clock rate of a CPU. 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. A typical computer’s clock can be off by as much as several minutes a day, depending on what the computer is doing. 2. A 2 GHz CPU gets two billion pulses per 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. 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. 4. The clock frequency of a CPU is normally determined by the frequency of an oscillator crystal. Specifically, system_clock is a system-wide realtime clock. 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. 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? In a computer, clock speed refers to the number of pulses per second generated by an oscillator that sets the tempo for the processor. The frequency of the periodic pulse that schedule the function and use of a digital computer. Countermeasure. Learn a new word every day. 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." Nearest Learn more. Time from the clock speed clock speed is measured in MHz ( megahertz ) or GHz ( gigahertz ) the... 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