The UNIX file system stores a date in physical blocks of

How many blocks away will Fred be from his starting p;ace if he travels two blocks north , then three blocks east, and then two blocks south?

A

Four

B

Two

C

Three

D

Zero

How many blocks away will Fred be from his starting place if he travels two blocks north, then three blocks east and then two blocks south?

A

Four

B

Two

C

Three

D

Zero

A bus picks up a group of tourists at a hotel. The sightseeing bus travels 2 blocks north, 2 blocks east. I block south, 2 blocks east, and 1 block south. Where is the bus in relation to the hotel?

A

2 blocks north

B

1 block west

C

3 blocks south

D

4 blocks east

The authentication File.txt, the file which stores username and password should be stored ________ the server document root.

A

Inside

B

Outside

C

Within

D

None of the mentioned

In a band and block brake, the ratio of tensions on tight side and slack side of the band is (where $$\mu $$ = Coefficient of friction between the blocks and the drum, $$\theta $$ = Semi-angle of each block subtending at the center of drum and n = Number of blocks)

A

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = \mu \theta {\text{n}}$$

B

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\frac{{1 - \mu \tan \theta }}{{1 + \mu \tan \theta }}} \right)^{\text{n}}}$$

C

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\mu \theta } \right)^{\text{n}}}$$

D

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\frac{{1 + \mu \tan \theta }}{{1 - \mu \tan \theta }}} \right)^{\text{n}}}$$

In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where $$\mu $$ = Coefficient of friction between the blocks and the drum, $$\theta $$ = Semi-angle of each block subtending at the centre of drum and n = Number of blocks)

A

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_{\text{2}}}}} = \mu \theta \times {\text{n}}$$

B

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\mu \theta } \right)^{\text{n}}}$$

C

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\frac{{1 - \mu \tan \theta }}{{1 + \mu \tan \theta }}} \right)^{\text{n}}}$$

D

$$\frac{{{{\text{T}}_1}}}{{{{\text{T}}_2}}} = {\left( {\frac{{1 + \mu \tan \theta }}{{1 - \mu \tan \theta }}} \right)^{\text{n}}}$$

Most architectural firms and mechanical design companies utilize different categories of blocks. These sets of blocks are usually housed in _________.

A

Block vaults

B

Block libraries

C

Block books

D

Block references

The commonly used UNIX commands like date, ls, cat, etc. are stored in

A

/dev directory

B

/bin and /usr/bin directories

C

/tmp directory

D

/unix directory

E

None of the above

The ......... function parses an English textual date or time into a Unix timestamp.

A

strtodate()

B

stroftime()

C

strtotime()

D

str_to_time()

In UNIX, the login prompt can be changed b changing the contents of the file

A

gettydefs

B

contrab

C

init

D

inittab

The UNIX file system stores a date in physical blocks of

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