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Explain the Programmable ROM (PROM) - Computer Memory?
This is a kind of ROM that can be programmed using special equipment it can be written to, but only once and this is useful for companies that make their own ROMs from software they write, since when they change their code they can create new PROMs without requiring expensive equipment. This is alike to the way a CD-ROM recorder works by letting you "burn" programs onto blanks once and then letting you read from them many times. Indeed, programming a PROM is as well called burning, identical to burning a CD-R, and it is comparable in terms of its flexibility.
Q. Convert the following from octal to binary, decimal, hexadecimal and BCD. a) 7.7 b) 4037 c) 23.34
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A device which converts BCD to Seven Segment is called ? Ans. DECODER is a device that converts BCD to Seven Segment. This coverts binary words in alphanumeric characters.
In step by step switching line finders are connected to the (A) Calling subscriber. (B) Switching network. (C) Called subscriber. (
In a DTMF phone, digits are represented by: (A) Orthogonal frequencies. (B) Orthogonal Phases. (C) Orthogonal codes. (D) Orthogonal pulses. Ans: Di
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sketch a neat E-R diagram for hotel management system with real time example
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Illustrate about 8259 8259A adds 8 vectored priority encoded interrupts to the microprocessor. We can expand it to 64 interrupt requests by using one master 8259A and 8 slave
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