Why do all my messages say 4 hours ago?

I literally got this app like 20 minutes ago.

3. Of the following pieces of information in a document, for which would you most likely insert a mail merge field? A. First name of the person to whom the letter will be sent B. Closing message of a letter C. The body of the letter D.

What is a device that connects to the system unit and is controlled by the processor in the computer called!

What is a lithographer?

A slide can have which of the following?

What is the technique in which a process can do nothing until it gets permission to enter its critical section but continues to execute an instruction or set of instructions that test the appropriate variable to gain entrance? A. Spin Waiting B.

True / False The architecture of a computer determines its machine language.

What does it mean to say that a graph is complete?

How does collaborating on a project improve its quality?

Which of the following statements is false? A. Object-oriented programming is today's key programming methodology. B. C+ + is standardized worldwide through the International Organization for Standardization. C. Hardware controls software. D.

Suppose a program is running on a distributed-memory multiprocessor. There are 1,000 instructions in the program and 80% of instruction references hit in the local memory and 20% of instruction references involve the remote communication in the