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2 years ago

Device driver: System software or application software

Computers and Technology

2 answers:

bija089 [108]2 years ago

8 0

Answer:

The answer is System Software.

Explanation:

The Device Driver is considered as a system software. It's like a middle person who communicates to your hardware (computer parts) and your computer's operating system. Without device drivers, your computer parts (like monitor, sound cards, hard drives etc.) cannot function well or will become useless at all.

To have a further understanding and proof that the device driver is a system software, let's have a deeper explanation on it. Let's say, for an instance, you have plugged in a wired mouse to your laptop or desktop computer. A specific device driver will be search and installed. An object will be created inside your operating system which will be recognized to control the device exclusively. When you press Ctrl key and P key --- which is commonly the shortcut to print a document. The command you have typed will automatically recognized by the printer driver, which will trigger printing of documents.

Application software on the other hand, are type of software which only functions inside the operating system to execute a specific task. For example, you want to create a letter, you can do that using a word processor, which is a type of application software. Another, you want to create a simple payroll computation by creating formulas and mathematical operations. Excel or spreadsheets file can cater that need. Listed below are other types of application software:

Slideshow / Presentation software - Powerpoint
Video Player - VLC or Windows Media Player

Bess [88]2 years ago

7 0

Answer:

Device driver is System Software.

Explanation:

The software that is used to control any hardware or hardware related function is called System software e.g operating systems, drivers

As we know that, device drivers are used to control some hardware device such as printers, cameras, mouse and key board etc. therefore this is called system software.

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How many bits does it take to store a 3-minute song using an audio encoding method that samples at the rate of 40,000 bits/secon

blondinia [14]

Answer:

115200000 bits

Explanation:

Given Data:

Total Time = 3 minute = 3 x 60 sec = 180 sec

Sampling rate = 40,000 bits / sample

Each sample contain bits = 16 bits /sample

Total bits of song = ?

Solution

Total bits of song = Total Time x Sampling rate x Each sample contain bits

= 180 sec x 40,000 bits / sec x 16 bits /sample

= 115200000 bits

= 115200000/8 bits

= 14400000 bytes

= 144 MB

There are total samples in one second are 40000. Total time of the song is 180 seconds and one sample contains 16 bits. so the total bits in the song are 144 MB.

5 0

3 years ago

True or false? Main Content (MC) may include links on the page.

nevsk [136]

True.
You can create a permalink which is also a link inside your main content to link your topic to another similar or helpful topic. Sometimes we can put it in a way that we only pasted the entire link or just used a work then insert the link inside that work to redirect to another page

3 0

3 years ago

2. Consider a 2 GHz processor where two important programs, A and B, take one second each to execute. Each program has a CPI of

allsm [11]

Answer:

program A runs in 1 sec in the original processor and 0.88 sec in the new processor.

So, the new processor out-perform the original processor on program A.

Program B runs in 1 sec in the original processor and 1.12 sec in the new processor.

So, the original processor is better then the new processor for program B.

Explanation:

Finding number of instructions in A and B using time taken by the original processor :

The clock speed of the original processor is 2 GHz.

which means each clock takes, 1/clockspeed

= 1 / 2GH = 0.5ns

Now, the CPI for this processor is 1.5 for both programs A and B. therefore each instruction takes 1.5 clock cycles.

Let's say there are n instructions in each program.

therefore time taken to execute n instructions

= n * CPI * cycletime = n * 1.5 * 0.5ns

from the question, each program takes 1 sec to execute in the original processor.

therefore

n * 1.5 * 0.5ns = 1sec

n = 1.3333 * 10^9

So, number of instructions in each program is 1.3333 * 10^9

the new processor :

The cycle time for the new processor is 0.6 ns.

Time taken by program A = time taken to execute n instructions

= n * CPI * cycletime

= 1.3333 * 10^9 * 1.1 * 0.6ns

= 0.88 sec

Time taken by program B = time taken to execute n instructions

= n * CPI * cycletime

= 1.3333 * 10^9 * 1.4 * 0.6

= 1.12 sec

Now, program A runs in 1 sec in the original processor and 0.88 sec in the new processor.

So, the new processor out-perform the original processor on program A.

Program B runs in 1 sec in the original processor and 1.12 sec in the new processor.

So, the original processor is better then the new processor for program B.

5 0

2 years ago

IT professionals recognize that successful systems must be user-oriented, and users need to be involved, formally or informally,

bogdanovich [222]

Answer:

True is the correct answer for the above question.

Explanation:

The software is a collection of instruction which states the computer to how to do a specific work. The software developer only develops the software, but it is used by many users of the software who wants to do some specific task.
The developer creates a graphical event for users through which the user can use the software of the computer system for his personal use.
So the above line concludes that the software is for the user only. So the user interaction in software development is necessary which is also said by the question-statement. Hence the question statement is the true statement.

5 0

3 years ago

Angelina wants to modify the footer in her report so the page numbers are correct. To do this, she first double-clicks the foote

Mkey [24]

Answer:

Click Page Number, Click Current Position, Click Plain Number 1.

Explanation:

Just did it, e2020

4 0

2 years ago