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Which of the following operator has the highest precedence ?

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Important Questions on Information and Communication Technology

EASY
Which of the following is a type of utility used to reduce the size of files to increase the amount of available disk space?
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What is the standard code the computer industry created to represent characters?
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An intentionally disruptive program that spreads from program to program or from disk to disk is known as a:
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A _____ uses pictures (called icons) and menus displayed on the screen to send commands to the computer system.
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A two-digit number ab¯ is called almost prime if one obtains a two-digit prime number by changing at most one of its digits a & b. (For example, 18 is an almost prime number because 13 is a prime number). Then the number of almost prime two-digit numbers is
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A number M is divisible by 25. If (M+5) (M+1) is divided by 25, then what will be the remainder?
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Which of the following memory is capable of operating at electronics speed?
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How many numbers are there between 330 and 450 which are divisible by both 7 and 9?
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How many numbers are there from 14 to 159 which are divisible by both 2 and 8?

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A prime number p is called special if there exist primes p1, p2, p3, p4 such that p=p1+p2=p3-p4.
The number of special primes is
 
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Which of the following statements is true with respect to ASCII?

1. A programming language

2. ASCII chart is not for decimals

3. American Security Code for Information Interchange

4. A character encoding Scheme