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Bootstrap capacitors C1 and C2 in a BJT emitter follower circuit. In analog circuit designs, a bootstrap circuit is an arrangement of components deliberately intended to alter the input impedance of a circuit. Usually it is intended to increase the impedance, by using a small amount of positive feedback, usually over two stages.
If switch 2 is OFF, RDOS remains in memory space even after CDOS is loaded. RDOS contains two programs; 1) the CDOS bootstrap program and 2) the console monitor program. Switch 3 is the boot enable switch. When this switch is ON the bootstrap program will execute (thus loading CDOS) without first entering the monitor program.
The following procedure would bootstrap a PDP-8 system from an RK05 moving-head magnetic disk: Ensure that the machine is halted by lowering and raising the Halt switch; the front panel "RUN" light should then be off. Set the 12 data switches to 0030 (Octal address 30), depress the Load Address ("ADDR LOAD") switch. The address lights will ...
The front panels of these machines carried toggle switches for entering addresses and data, one switch per bit of the computer memory word and address bus. Simple additions to the hardware permitted one memory location at a time to be loaded from those switches to store bootstrap code.
An animated toggle switch widget, demonstrating the ambiguous state problem. Early research on touchscreen interfaces has identified usability issues with toggle switches. [2] A common problem is ambiguous state indication: for example does the label "on" indicate the current state of the switch or the resulting state after interacting with it.
jsDelivr is powered by other content delivery network providers, including Cloudflare, Fastly and BunnyCDN, and switches to another provider if one is experiencing downtime. In China, Quantil is used as the content delivery network, as other providers are affected by the Great Firewall .
2009, Jikes RVM 3.1 released under the Eclipse Public License (EPL) with significant improvements over the performance of version 3.0.1 and a switch to native threading. 2012, Jikes RVM won the Association for Computing Machinery (ACM) Special Interest Group on programming languages ( SIGPLAN ) Software award, cited for its "high quality and ...
The Number Five Crossbar Switching System (5XB switch) is a telephone switch for telephone exchanges designed by Bell Labs and manufactured by Western Electric starting in 1947. It was used in the Bell System principally as a Class 5 telephone switch in the public switched telephone network (PSTN) until the early 1990s, when it was replaced ...