What is something a that a vacuum tube cannot do?

A. Change alternating current into direct current

B. Increase the strength of a signal

C. Convert electrical energy into thermal energy

D. Turn a current on or off

Your friend, who is a little computer phobic, is going to create his first web page, and he asks you to recommend some software for the task. which one requires the least knowledge of html tags: notepad or libreoffice writer?

How can you encrypt and decrypt a message in cryptography

In what way, if any, are training programs related to colleges or universities? a - All training programs are affiliated with colleges or universities. b - By definition, training programs are not affiliated with colleges or universities.

What is the default left margin in word 2003 document?

Having network users login with a username and password is an example of: - authentication -authorization -accounting -availability

Write a program whose input is a character and a string, and whose output indicates the number of times the character appears in the string. Ex: If the input is: n Monday, the output is:

Sandra wants to have her new technology up and running as soon as possible. She is looking for a tool that she can download and use right away. She is evaluating- operating expenses templates avaliability features

What symbol is used for an assignment statement in a flowchart? Answer a) processing b) I/O c) parallelogram d) diamond

Carlita is writing a poem, but the Ribbon keeps distracting her. What is the best option for her? A. Collapse the Ribbon to hide it from view B. Use notebook paper C. Use proper ergonomics for proper eye placement D. Minimize the whole document

2. Write a program in C+ + that can accept an integer between 0 and 999 billion and output the number by separating thousands by commas. For example, if the input is 1235468 then the output should be 1,2354,468.