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3 years ago

PLEASE HURRY

Computers and Technology

2 answers:

Katarina [22]3 years ago

3 0

Answer:

1. 321 x 408 print (321 times 408)

Explanation:

It is multiplication, it will create a product. So that is why.

Anastasy [175]3 years ago

3 0

Answer:

print (321 * 408)

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What is the purpose behind the Three Phase Commit? It improves upon the two phased commit by requiring that locks be acquired at

Ray Of Light [21]

The answer is a) It improves upon the two-phased commit by requiring that locks be acquired at the start of a transaction.

Reason: The 3PC is an extension or you can say developed from 2PC that avoids blocking of an operation. It just ensures that first n sites have intended to commit a transaction that means it acquires commits or locks before the start of any transaction to avoid any blocking.

Option b) is wrong as it does not allow coordination, it just let all the other sites do their transaction if any other site is blocked, so no coordination is there between sites that they will wait till their coordinator is corrected.

Option c) is wrong as lock operations are shared between other connections as when their coordinator fails, the new coordinator agrees to the old coordinator that they had shared locks before and they can start their transaction.

Option d) is wrong as option a) is correct.

If you like the answer, please upvote.

4 0

3 years ago

Convert the following numbers. (Please show all steps; no marks will be awarded if no steps are shown) [1.5 x 4 = 6 marks]

katen-ka-za [31]

Answer:

i. 10210212

ii. 100 101 001 in BASE 2

iii. 46.4631

iv. 12.453125

Explanation:

i. Converting to base 10 we get

= 10 x 162 + 13 x 161 + 9 x 160 = 2777

Converting to base 10 we get =

2777/3 = 925 with remainder 2

925/3 = 308 with remainder 1

308/3 = 102 with remainder 2

102/3 = 34 with remainder 0

34/3 = 11 with remainder 1

11/3 = 3 with remainder 2

3/3 = 1 with remainder 0

1/3 = 0 with remainder 1

Hence the Answer is 10210212

ii. = Octal is taken in pair of 3 bits , Writing binary of each number in 3 bits we get = 100 101 001 in BASE 2

iii. = 1 x 52 + 2 x 51 + 3 x 50 + 3 x 5-1 = 38.6 in decimal

Converting to Octal we get

38 /8 = 4 with remainder 6

4 /8 = 0 with remainder 4

.6 x 8 = 4.8

.8 x 8 = 6.4

46.4631

iv. = 1x 81 + 4 x 80 + 3 x 8-1 + 5 x 8-2 = 12.453125

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4 0

3 years ago

Help me plz What character must always be used when a formula is enter in a cell? (on a spreadsheet)

lara [203]

Answer:

The equal sign "=" must be used.

Most, if not all, spreadsheet programs support formulas, but you must start them with an equal sign.

8 0

3 years ago

Sincerely is an example of a salutation true or false

Setler79 [48]

No, I don't think so.

5 0

3 years ago

Read 2 more answers

A network administrator is implementing multifactor authentication for employees who travel and use company devices remotely by

devlian [24]

Answer:

A networking administrator is a multi-factor authentication for employees who use company devices by using a VPN. The level of authentication is 802.1X and OTP.

Explanation:

Network administration is the computer network and uses multiple computers. A company and organization uses multiple computers and need a network admin to connect with a different system. Network administrators depend upon the organization. Some duties of the network administration are split and clearly defined such as

Configure the network hardware, servers, and routers

Upgrade the computer networks

Troubleshooting network issues

Assigning the network models

Deploying the software

Managing the servers

Implementing the security and measure

Network administration requires technical competence and will benefit as a network administrator.

For the level of authentication 802.1, X and OTP are suitable for network administration.

5 0

4 years ago