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Ivanshal [37]
3 years ago
7

D. The 7-bit ASCII code for the character '&' is:

Computers and Technology
1 answer:
insens350 [35]3 years ago
6 0

Answer:

00100110

a and d are invalid sequences because they contain an even number of 1's.

Explanation:

Odd parity means that you want an odd number of 1's in the resulting set of bits. Since there are 3 (=odd) bits in the set, a zero must be added to keep the total odd.

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If there are 8 opcodes and 10 registers, a. What is the minimum number of bits required to represent the OPCODE? b. What is the
Nimfa-mama [501]

Answer:  

For 32 bits Instruction Format:

OPCODE   DR               SR1                   SR2      Unused bits

a) Minimum number of bits required to represent the OPCODE = 3 bits

There are 8 opcodes. Patterns required for these opcodes must be unique. For this purpose, take log base 2 of 8 and then ceil the result.

Ceil (log2 (8)) = 3

b) Minimum number of bits For Destination Register(DR) = 4 bits

There are 10 registers. For unique register values take log base 2 of 10 and then ceil the value.  4 bits are required for each register. Hence, DR, SR1 and SR2 all require 12 bits in all.  

Ceil (log2 (10)) = 4

c) Maximum number of UNUSED bits in Instruction encoding = 17 bits

Total number of bits used = bits used for registers + bits used for OPCODE  

     = 12 + 3 = 15  

Total  number of bits for instruction format = 32  

Maximum  No. of Unused bits = 32 – 15 = 17 bits  

OPCODE                DR              SR1             SR2              Unused bits

  3 bits              4 bits          4 bits           4 bits                17 bits

7 0
3 years ago
Write a function swap that swaps the first and last elements of a list argument. Sample output with input: 'all,good,things,must
zubka84 [21]

Answer:

li=list(map(str,input().strip().split()))#taking input of the string.

#swapping first and last element.

temp=li[0]

li[0]=li[-1]

li[-1]=temp

print(li)#printing the list.

Explanation:

I have taken the list li for taking the input of strings.Then after that swapping first and last element of the list.Then printing the list.

7 0
3 years ago
Read 2 more answers
PLEASE HELP THIS IS CONFUSING ME
Artemon [7]

Answer:

The answer is:

Yes, because Antonio clearly copied someone else's words.

Explanation:

It is still forbidden to plagiarize Wikipedia despite it being a Open-Source Data base of information. This means, unless you directly cite in a bibliography or with in-text citations, the article, the author, and everything else needed in the proper citations for the format, it is plagiarism.

3 0
3 years ago
Read 2 more answers
Suppose you have a program P and 90 percent of P can be parallelized, but 10 percent of P is inherently sequential and cannot be
EleoNora [17]

Answer:

Means no matter how many processors you use, speed up never increase from 10 times.

Explanation:

If a problem of size W has a serial component Ws,then performance using parallelism:

Using Amdahl's Law:

Tp = (W - Ws )/ N + Ws

Here, Ws = .1,

W - Ws = .9

Performance Tp = (.9 / N) + .1

---------------------------------------------------------

Speed Up = 1 / ( (.9 / N) + .1)

If N -> infinity, Speed Up <= 10

Means no matter how many processors you use, speed up never increase from 10 times.

5 0
3 years ago
fill down feature on a formula and you need to keep a cell reference the same which one will allow you to keep the same cell ref
dedylja [7]
A dollar sign after both the letter and the number for each cell reference you want to keep the same will keep it the same when using the fill down/across function.
6 0
3 years ago
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