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3 years ago

On Brainly, how can I change my username? from halfsidepancake

Computers and Technology

2 answers:

klio [65]3 years ago

8 0

Answer:

unfortunately you cant change your username.... i tried 2 and the only way is to make a new account

Explanation:

miv72 [106K]3 years ago

4 0

You can not change your username sorry... try making a new account if you would like. Sorry and stay safe :)

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Calls to the tostring( ) method emphasize the use of ____.

DaniilM [7]

<span>Polymorphic message

Methods in different classes with a similar function are given the same name. - Makes classes easier to use because programmers need to remember fewer method names. - Employed as much as possible. - Polymorphic message ex. is the toString method.</span>

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2 years ago

After a conditional formatting rule is created using the ____ dialog box, the rule is then available for use in the database fro

Setler [38]

Answer:

New Formatting Rule.

Explanation:

Using New Formatting Rule the rule can be used in the database .Conditional formatting is used to highlight cells with different color according to the value of the cell. Conditional formatting can be done using formulas.In conditional formatting you can use if statements ,if else staements ,formulas etc.

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3 years ago

Which of the following correctly stores 45 squared in the variable x?

timama [110]

Answer:

x = 45

x = x ** 2

6 0

3 years ago

A digital computer has a memory unit with 16 bits per word. The instruction set consists of 72 different operations. All instruc

OLga [1]

Answer:

a. 7 bits b. 9 bits c. 1 kB d. 2¹⁶ - 1

Explanation:

a. How many bits are needed for the opcode?

Since there are 72 different operations, we require the number of bits that would contain 72 different operations. So, 2ⁿ ≥ 72

72 = 64 + 8 = 2⁶ + 8

Since n must be an integer value, the closest value of n that would contain 72 different operations is n = 7. So, 2⁷ = 128

So, we require 7 bits for the opcode.

b. How many bits are left for the address part of the instruction?

bits left = bits per word - opcode bit = 16 - 7 = 9 bits

c. What is the maximum allowable size for memory?

Since there are going to be 2⁹ bits to addresses each word and 16 bits for each word, the maximum allowable size for memory is thus 2⁹ × 16 = 512 × 16 = 8192 bits.

We convert this to bytes

8192 bits × 1 byte/8 bits = 1024 bytes = 1 kB

d. What is the largest unsigned binary number that can be accommodated in one word of memory?

Since the number go from 0 to 2¹⁶, the largest unsigned binary number that can be accommodated in one word of memory is thus

2¹⁶ - 1

6 0

3 years ago

Suppose that in a 00-11 knapsack problem, the order of the items when sorted by increasing weight is the same as their order whe

frosja888 [35]

Answer:

Following are the response to the given question:

Explanation:

The glamorous objective is to examine the items (as being the most valuable and "cheapest" items are chosen) while no item is selectable - in other words, the loading can be reached.

Assume that such a strategy also isn't optimum, this is that there is the set of items not including one of the selfish strategy items (say, i-th item), but instead a heavy, less valuable item j, with j > i and is optimal.

As $W_i < w_j$ , the i-th item may be substituted by the j-th item, as well as the overall load is still sustainable. Moreover, because $v_i>v_j$ and this strategy is better, our total profit has dropped. Contradiction.

8 0

3 years ago

On Brainly, how can I change my username? from halfsidepancake​

On Brainly, how can I change my username? from halfsidepancake