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3 years ago

Which Windows utilities are used to create previous versions of files that can be recovered from the file properties dialog box?

Computers and Technology

1 answer:

pochemuha3 years ago

6 0

Answer:

File History utility and System Protection utility for windows 8;

And then Backup and Restore utility and System Protection utility for windows 7.

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In this problem we consider sending real-time voice from Host A to Host B over a packet-switched network (VoIP). Host A converts

Minchanka [31]

Answer:

The total time elapsed from the time a bit is created (from the original analog signal at Host A) until the bit is decoded (as part of the analog signal at Host B is 25.11 ms

Explanation:

Host A first converts the analog signal to a digital 64kbps stream and then groups it into 56-byte packets. The time taken for this can be calculated as:

time taken 1= $\frac{Packet Size in Bits}{Bit Rate}$

= (56 x 8) bits / 64 x 10³ bits/s

= 7 x 10⁻³s

time taken 1= 7 ms

The transmission rate of the packet from Host A to Host B is 4 Mbps. The time taken to transfer the packets can be calculated as:

time taken 2= (56 x 8) bits / 4 x 10⁶ bits/s

= 1.12 x 10⁻⁴ s

time taken 2= 112 μs

The propagation delay is 18 ms.

To calculate the total time elapsed, we need to add up all the time taken at each individual stage.

$Time_{total}$ = Time taken 1 + Time taken 2 + Propagation Delay

= 7 ms + 112 μs + 18 ms

= 0.025112 s

$Time_{total}$ = 25.11 ms

5 0

3 years ago

. Given an initially empty stack s that accepts integers, the following operations are performed: s.push (10) s.push (20) s.push

sp2606 [1]

Answer:

a) The composition of the stack is :- 80,50,20,10.

Where 80 is the top and 10 is the last element.

b) The sequence of the popped items 40,30,70,60,90.

Explanation:

Stack is LIFO type data structure means Last in First Out.The element inserted last will be out of the stack first.The removal and addition is only at the one end that is top.

First 10,20,30,40 will be inserted in the stack. 40 is a the top.Now two pop operations occurs. 40 and 30 will be removed from the stack.

Now 50,60,70 will be inserted in the stack then again two pop operations so 70 and 60 will be removed from the stack.

Now the stack contains 50,20,10.Top = 50.

80 and 90 are added to the stack and 1 pop operation that is 90 will be removed.

Stack is 80,50,20,10 . Top = 80.

Sequence of integers popped=40,30,70,60,90.

4 0

3 years ago

What is the process viewing files in chrome web browser cache?

Andreyy89

Step 1. Click the address bar at the top of your Google Chrome window, type "About: cache" into the box and press "Enter." A page will appear with a list of cached files and their addresses.

Step 2. Press the "Ctrl" and "F" keys on your keyboard at the same time to open the find bar.

Step 3. Type part of the name or address of a cached file into the find box and press "Enter" to find it. Continue pressing "Enter" to page through any matching results.

Step 4. Select the full address of the cached file on the page with your mouse and press "Ctrl" and "C" at the same time to copy the address.

Step 5. Click the address bar, press "Ctrl" and "V" at the same time to paste the address and press "Enter" to load the file. Chrome loads the file from the cache.

Step 6. Right-click the image, page or script and select "Save As" to save the cached file to your computer.

6 0

3 years ago

. Each ____ on a menu performs a specific action.

Fofino [41]

The answer would be d, none kf the above.

4 0

3 years ago

Which of the following statements is false? a. A class can directly inherit from class Object. b. If the class you're inheriting

Dovator [93]

Answer: C

Explanation:

5 0

3 years ago