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2 years ago

Write short notes on the following:I. keyboard ii.Control unit iii.printer

Computers and Technology

1 answer:

Andreas93 [3]2 years ago

4 0

Answer:

- the Keyboard:

The keyboard is a handheld device used to input alphabet, numbers, symbols and characters to a monitor. It also houses the special manipulative and function keys.

- the Control Unit:

The control unit is a component of the CPU which directs the operation of the processor.

- the Printer:

The printer is an external hardware output device which takes electronic data stored on a device and creates a hard copy.

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3 years ago

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A python programmer is writing a function definition. What syntax should be used?

Kay [80]

Answer:

Syntax of function in the Python Programming Language.

def function_name():

'''body of the function or code'''

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function_name()

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Explanation:

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3 years ago

Programming CRe-type the code and fix any errors. The code should convert non-positive numbers to 1.

LUCKY_DIMON [66]

Answer:

Given

The above lines of code

Required

Rearrange.

The code is re-arrange d as follows;.

#include<iostream>

int main()

{

int userNum;

scanf("%d", &userNum);

if (userNum > 0)

{

printf("Positive.\n");

}

else

{

printf("Non-positive, converting to 1.\n");

userNum = 1;

printf("Final: %d\n", userNum);

}

return 0;

}

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One should take note of the variable declarations and usage

See attachment for .cpp file

Download cpp

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4 years ago

Which of the following allows data to coordinate activity between devices? Select one: a. Address bus b. Collisions c. Data bus

AnnyKZ [126]

Answer:

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3 years ago

What is the wave speed of a wave that has a frequency of 100 Hz and a wavelength of 0.30m?

swat32

Answer:

The speed is

=

30

m

s

−

1

Explanation:

The speed of a wave is given by

speed

(

m

s

−

1

)

=

frequency(Hz)

×

wavelength (m)

The frequency is

f

=

100

H

z

The wavelength is

λ

=

0.3

m

The speed is

v

=

λ

f

=

0.3

⋅

100

=

30

m

s

−

1

6 0

3 years ago

Write short notes on the following:I. keyboard ii.Control unit iii.printer​

Write short notes on the following:I. keyboard ii.Control unit iii.printer