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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 31 Oct 2025 01:08 PM study24x7 study24x7

The physical layer of a network

A

constructs packets of data and sends them across the network

B

controls error detection and correction

C

defines the electrical characteristics of signals passed between the computer and communication devices

D

All of the above

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 31 Oct 2025 01:07 PM study24x7 study24x7

What hardware architectures are not supported by Red Hat?

A

SPARC

B

IBM-compatible

C

Alpha

D

Macintosh

Computer Science
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Computer Science
7 followers study24x7 31 Oct 2025 12:50 PM study24x7 study24x7

In Linux, What command is used with vi editor to delete a single character?

A

x

B

y

C

a

D

z

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 30 Oct 2025 12:06 PM study24x7 study24x7

What command is used to remove the directory in Linux?

A

rdir

B

remove

C

rd

D

rmdir

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 30 Oct 2025 12:05 PM study24x7 study24x7

What command is used to remove files in Linux?

A

dm

B

rm

C

delete

D

erase

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 30 Oct 2025 12:03 PM study24x7 study24x7

What command is used to count the total number of lines, words, and characters contained in a file?

A

countw

B

wcount

C

wc

D

count p

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 29 Oct 2025 12:24 PM study24x7 study24x7

The axis of movement of a robot may include:

A

Wrist rotation

B

X-Y coordinate motion

C

elbow rotation

D

All of the above

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 29 Oct 2025 12:24 PM study24x7 study24x7

What prevents a robotic instrument from running into other objects?

A

negative image

B

functional manipulators

C

memory

D

sensory devices

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 29 Oct 2025 12:23 PM study24x7 study24x7

CAD/CAM is the inter-relationship between:

A

manufacturing and marketing

B

marketing and design

C

engineering and marketing

D

engineering and manufacturing

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 24 Oct 2025 03:09 PM study24x7 study24x7

Who made the statement "if a robot can do a job, a person should not be doing it"?

A

Prof. F. A. Fisher of Britain

B

Ron Albo of Shugart Associates, California

C

Prof. Meredith Turing, London University

D

John Smith, USA

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 24 Oct 2025 03:05 PM study24x7 study24x7

The raster CRT eliminates:

A

flicker and slow update

B

slow update only

C

flicker only

D

has no effect

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 24 Oct 2025 03:04 PM study24x7 study24x7

An operational amplifier:

A

can be used to subtract two or more signals

B

can be used to sum two or more signals

C

uses the principle of feedback

D

All of the above

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 23 Oct 2025 12:38 PM study24x7 study24x7

The three key elements for a graphics workstation include the host processor, display controller, and:

A

mouse

B

keyboard

C

CRT

D

digitizer

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 23 Oct 2025 12:37 PM study24x7 study24x7

When of the following produces the best quality graphics reproduction?

A

Dot metric printers

B

Ink jet printers

C

Laser printers

D

Plotters

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 23 Oct 2025 12:34 PM study24x7 study24x7

The two major categories of software are: application software and

A

system software

B

UNIX software

C

high-level languages

D

CAD software

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 22 Oct 2025 11:10 AM study24x7 study24x7

Which of the following is a machine language instruction?

A

ADD 5

B

10001101

C

GOTO XOUT

D

All of the above

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 22 Oct 2025 11:09 AM study24x7 study24x7

The name given to the test that determines whether a machine can think is the

A

Gaussian test

B

McCarthy test

C

Turing test

D

Boolean test

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 22 Oct 2025 11:08 AM study24x7 study24x7

A programmable controller:

A

allows faster machine checkout

B

is easier to troubleshoot than standard relay logic

C

both (a) and (b)

D

All of the above

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 21 Oct 2025 12:31 PM study24x7 study24x7

The coordinate system used to describe a workpiece:

A

is always two-dimensional

B

changes from part to part

C

is defined with respect to a point on the machine

D

All of the above

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 21 Oct 2025 12:29 PM study24x7 study24x7

What should be first considered in choosing a plotter?

A

The hardware you currently own

B

The application for which it will be used

C

The type of data you will input

D

The cost

Computer Science
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