The idea of "generations" of data files is closely related to

In each of the questions four different ways of presenting an idea are provided.Choose the one that conforms closely to standard English usage.

A

Pollution and degradation of the environment is, according to the commission's report, a matter of universal concer.

B

Pollution and degradation of the environment is, according to the report by the commission, a matter of universal concern.

C

Pollution and degradation of the environment are, according to report of the commission, matters of universal concer.

D

Pollution and degradation of the environment are, according to the commission's report, a matter of universal concern.

Filename extensions help identify certain files. What filename extension identifies executable files?

A

INF

B

PRO

C

EXE

D

SYS

E

None of the above

Which command is used to list out all the hidden files along with the other files?

A

ls -l

B

ls -x

C

ls -F

D

ls -a

E

None of the above

Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?

A

rm *

B

rm -r *

C

rm all

D

rm *.*

E

None of the above

On-line transaction processing is used when ______________. I) it is required to answer random queries. II) it is required to ensure correct processing. III) all files are available on-line. IV) all files are stored using hard disk.

A

i, ii

B

i, iii

C

ii, iii, iv

D

i, jj ,iii

Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?

A

COM

B

BAT

C

EXE

D

SYS

E

None of the above

Filename extensions help identify certain files. What filename extension identifies command files?

A

COM

B

BAT

C

EXE

D

SYS

E

None of the above

It is ------- that students do not repay their student loans and thereby make it more ------ for future generations of students to obtain them.

A

unfortunate, urgent

B

regrettable, difficult

C

laudable, likely

D

worrisome, unable

Among the computer generations, WWW, HTML, DVD, ipod etc. are some of the popular inventions of which generation?

A

3rd

B

4th

C

5th

D

6th

In which of the following generations of computer, IC chips were used first?

A

Second

B

Third

C

Fourth

D

Fifth

The idea of "generations" of data files is closely related to

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