- Interface
- Modem
- Attenuation
- Teleprocessor
- None of the above
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What is the name of the device that connects two computers by means of a telephone line?
Answer: Option 2 Let'
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When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?
Answer: Option 3 Let'
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What will be the output of the following PHP code <php $name = "What is your name" if (preg_match("/name/"),$name) echo "My name is Will Pitt "; else echo "My name is not Will Pitt "; if (preg_match("/are/")) echo "I am great" else echo "I am not great"; >?
Answer: Option 3 The code uses preg_match to check for a keyword and replies based on whether it is true (1) or false (0).
1 Answers 2 views
The bar code which is used on all types of items, is read by a scanning device directly into the computer.What is the name of this scanning device?
Answer: Option 1 Laser scanners work the same way as pen-type readers except that they use a laser beam as the light source and typically employ either a reciprocating mirror...
1 Answers 1 views
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
Answer: Option 1 A barcode scanner, also called a point-of-sale (POS) scanner or a price scanner, is a device used to capture and read information contained in a barcode. The...
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The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
Answer: Option 2 Analog-to-digital conversion is an electronic process in which a continuously variable (analog) signal is changed, without altering its essential content, into a multi-level (digital) signal. The output...
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What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly?
Answer: Option 3 Let'
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Research scientists all over the world are taking steps towards building computers with circuits patterned after the complex inter connections existing among the human brain's nerve cells. What name is given to such type of computers?
Answer: Option 3 Let'
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A man used to rob the computers and He is active only for quarter of a year. He robs three computers Vayu, Tejas and Agni. January was unfortunate month for Tejas. Vayu was stolen in March. Now he used three tools Pliers, Screwdriver and Hook to rob all the parts from the computer and Make His own computer. He Rob Monitor from Tejas but Does not use hook. He robs Printer from Vayu and Use Pliers. And from Third Computer he robs Keyboard. i) In which month was Agni stolen ii) Which tool was used for Tejas?
Answer: Option 3 January was unfortunate for Tejas, means Tejas was stolen in January. Vayu was stolen in March. So, Agni was stolen in February. He robs Printer from Vayu, uses Pliers....
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : "I have not received telephone bills for nine months inspite of several complaints" - A telephone customer's letter to the editor of a daily Assumptions : I. Every customer has a right to get bills regularly from the telephone company. II. The customer's complaints point to defect in the services which are expected to be corrected.?
Answer: Option 5 The customer's eagerness to get the bills makes I implicit. Besides, the customer has written to the editor to bring the malfunctioning of the department to public...
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