Blank are back and forth movement of matter that create sound

Which word most likely means "a timepiece fitted with a recording device that marks down exact intervals of time"? chronograph chronometer geographic geometric

When you are driving a motor home and are following another vehicle, you should Use the same following distance that you use when driving your car. Use one and a half times the following distance that you use in your car.

Is part of a computer's hardware that executes each instruction in a program?

Which key is used in word processors to create indentations? Tab Backspace Shift Esc

Various units used to measure computer memory

Xml is used to format the structure and style of a web page. true or false

Read the following scenario, and then answer the question below. Paula is a computer programmer and is very good at her job. The company Paula works for announces that they will be using brand new software tools.

Most of the keyboards provided with desktops are?

Assume a 8x1 multiplexer's data inputs have the following present values: i0=0, i1=0, i2=0, i3=0, i4=0, i5=1, i6=0, i7=0. What should be value of the select inputs s2, s1 and s0 for the value on the multiplexer's output d to be 1? s2= s1= s0

1. Discuss attribute semantics as an informal measure of goodness for a rela - tion schema. 2. Discuss insertion, deletion, and modification anomalies. Why are they considered bad? Illustrate with examples.