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LenKa [72]
3 years ago
11

Every preprocessing directive must begin with:

Computers and Technology
1 answer:
Anni [7]3 years ago
3 0

Answer:

B. #

Explanation:

Every preprocessing directive must begin with the # character.

For example:

#define : Used to define a macro

#ifndef : Conditional evaluation of macro

#include : Used to include other preprocessor header file as part of the code

As we can see each of the directives begins with the # character. This is a signal to the preprocessor to interpret the subsequent keyword as a directive.

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Two files named numbers1.txt and numbers2.txt both have an unknown number of lines, each line consisting of a single positive in
Reika [66]

Answer:

see explaination for program code

Explanation:

scalar_product = 0

li=[]

li2=[]

#reading numbers1.txt and numbers2.txt intoli and li2 respectively

with open('numbers1.txt') as n1, open('numbers2.txt') as n2:

for line1 in n1:

li.append(int(line1))

for line2 in n2:

li2.append(int(line2))

#storing min list size into variable l

a=len(li)

b=len(li2)

if a<b:

l=a

else:

l=b

#calculating scalar product

for i in range(l):

scalar_product=scalar_product+li[i]*li2[i]

print("scalar product is",scalar_product)

6 0
4 years ago
Caleb is working in an Excel spreadsheet and realizes that he incorrectly spelled a word he used in multiple cells. Which can Ca
Irina18 [472]
Given the situation above regarding the error that Caleb made in the spelling of a particular word which was repeated in multiple cells, the steps that he can do in order to correct this are the following:
1. G<span>o to Review, Spelling, and select Change each time the error is found.
2. G</span><span>o to Home, Editing, Find, search for the incorrect spelling, and Replace to replace it with the correctly spelled word.
Hope this helps.</span>
5 0
3 years ago
Which is NOT a component of a relationaldatabase?
MaRussiya [10]

Answer: 4) Hierarchy

Explanation:

The main components of the relational database are table, entity and attributes. As, relational data base is the method of arranging and maintaining the data and each table in the database contain data in the entity and the attributes. Hierarchy is not the component of the database as it is included in the type oh hierarchical database not in relational database.

5 0
4 years ago
Among the second generation home console companies,which managed to come out on top
crimeas [40]

Answer:

The second generation of home consoles occurred from (1976-1988) at this time the most popular and consoled regarded as best was the Atari 2600

Explanation:

answer from Cligon768 on this site

3 0
4 years ago
It is ethical to use ICT in early years
Dahasolnce [82]
Early years of what? ICT is generally ethical as it’s just stressing unified communications of different telecommunications/IT devices
3 0
3 years ago
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