Related Questions

A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
D 28
Which of the following file organizations is most efficient for a file with a high degree of file activity?
A sequential
B ISAM
C VSAM
D B-Tree index
E All of the above
In an election between two candidates, one got 55% of the total valid votes. 20% of the votes are invalid. If the total votes are 7500, what is the total number of valid votes the other got?
A 2400
B 2700
C 2500
D 2000
In an election between two candidates, one got 55% of the total valid votes. 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was -
A 2700
B 2900
C 3000
D 3100
In an election between two candidates, one got 55% of the total valid votes, 20% of the votes were invalid. If the total number of votes was 7500, the number of valid votes that the other candidate got, was:
A 2700
B 2900
C 3000
D 3100
Which of the following is a valid ending for a word file?
A .doc
B .wmv
C .roc
D .mac
Which is not a valid file system?
A FAT 16
B FAT 32
C NTFS
D FXZ
Say I want to change the extension of a PHP file, which of the following statements should I edit to change from .php to .html in the httpd.conf file?
A AddType application/x-httpd-php .php
B AddType application/x-httpd-php .asp
C AddType application/x-httpd-asp .php
D AddType application/x-httpd-asp .asp
Which of the following Protocol enables a hyperlink to access a file on the local file system?
A https
B ftp
C file
D telnet
Which of the following filename extension suggests that the file is a backup copy of another file?
A .txt
B .com
C .bas
D .bak
E None of the above

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