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IMPORTANT
Earn 100

How many number of bits required for 4 GB RAM?

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Important Questions on Practice Sets

HARD
HSSC Clerk
IMPORTANT
A bank uses a wide area network to allow its customers to remotely log onto the office server using notebook computers and dial-in modems. Which of the following methods would provide best data security in such a situation?
HARD
HSSC Clerk
IMPORTANT
The total number of boolean functions which can be realised with four variables is:
MEDIUM
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IMPORTANT
Disk requests come to disk driver for cylinders 10, 22, 20, 2, 40, 6 and 38 in that ordered a time when the disk drive is reading from cylinder 20. The seek time is 6 ms per cylinder. The total seek time, if the disk arm scheduling algorithm first-come first served is:
EASY
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IMPORTANT

Consider the following program:
main()
{
int i, j, r;
i = 100; j = 5; r = 20;
printf("value of i + j - r is %\n", i + j - r);
}
What is the output?

MEDIUM
HSSC Clerk
IMPORTANT
What in a distributed database supports multi-user access?
MEDIUM
HSSC Clerk
IMPORTANT
Implementation of an inverted list to maintain the record list for each value for a given attribute can be done by:
HARD
HSSC Clerk
IMPORTANT
What is the greatest negative number which can be stored in a computer that has 8-bit work length and use 2's complement arithmetic?