Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

Which command is used to copy a file wb with the same name from the programs directory to the misc directory?

A

copy programs/wb misc/wb

B

cp programs/wb misc

C

tar programs/wb misc/wb

D

copy a:programs/wb b:misc/wb

E

None of the above

Which command is used to copy the three files wb, collect and mon into the misc directory, under the same, when you were currently in the programs directory?

A

copy wb ../misc collect ../misc mon ../misc

B

cp wb collect mon ../misc

C

copy wb collect mon /misc

D

tar wb collect mon /misc

E

None of the above

Which of the following commands is used to copy directory structures in and out

A

cp

B

cpio

C

cp - p

D

copy

E

None of the above

Why is a MISC meter not recommended for DC measurement?

A

The meter is calibrated for AC and it’s error for DC would be high

B

The meter does not respond to DC signals

C

The error is high due to hysteresis effect

D

The error is high due to eddy current effect

One of the biggest threats to a company’s porductivity is absenteeism. Student show that companies with in-house child-care programs see fewer absences among their employees who are parents than companies without such programs. Therefore, many companies could boost their productivity by starting in-house child-care programs. Which of the followings, if true, most weakens the above argument?

A

In-house child-care programs create distractions for nonparents that can harm their productivity.

B

Absenteeism is not a serious problem for companies that impose harsh penalties on employees who miss work.

C

Productivity is not an important issue for the companies.

D

studies have shown that employees with children are more likely than those without children to remain in the same job for more than five years.

At a photocopy center , the first 10 copies cost x taka each. Each of the next 50 copies costs 2 taka less per copy . From the 61 st copy on, the cost 1 Taka per copy, In terms of x how much does it cost in. Taka to have 200 copies made/

A

10x+240

B

50x-10

C

50(x-5)

D

60x+140

It is possible to copy a file in the same directory.

A

True

B

False

What type of commands are individual programs kept, as separate files on the hard disk (DOS diskette)?

A

External

B

Internal

C

Change

D

File

E

None of the above

Which of the following commands is used to display the directory attributes rather than its contents?

A

ls -l -d

B

ls -l

C

ls -x

D

ls -F

E

None of the above

Which of the following commands is used to display your working directory?

A

dir

B

prompt $p$g

C

pwd

D

path

E

None of the above

Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

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