Câu hỏi về máy vi tính

QUIZ Ngô Thùy Trang Nguyễn Ngọc Tiến Trần Thị Thùy Hương Lê Việt Tiên Phạm Thị Như Quỳnh 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Filling suitable word for each of the blanks 1: Cursor control keys 2: Alphanumeric keys 3: Funtion keys 4: Delicated keys 5: Numeric keypad ? Ans 1-d 2-a 3-b 4-e 5-c 1 Describe this diagram, using classifying expressions from help box. ? Ans 2 (2) Output devices (3) Storage media (1) Input devices What does a digital camera do? ? Ans A digital camera takes photos electronically and converts them into digital data (binary codes made up of 1s and 0s) 3 How many basic parts in hardware section? ? Ans There are 3 parts: the central processing unit(CPU), main memory and peripheral 4 What does a camcorder do? ? Ans a camcorder, or digital video camera, records moving pictures and converts them into digital data that can be stored and edited by a computer with special video editing software. 5 What does RAM stand for? ? Ans Random access memory 6 What is it? ? Ans Light pen 7 What is a collection of eight bits called? ? Ans Byte 8 A main memory includes …… and ……. ? Ans RAM and ROM 9 This device is used to captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display.  ? Ans Scanner 10 Input devices are the pieces of .....................which allow us to enter............into the computer. ? Ans hardware / information. 11 How many kinds groups of keys in a standard keyboard? ? Ans 5 groups of keys 12 What is the Num Lock key used to? ? Ans to switch from numbers to editing keys 13 What do a computer system consists of? ? Ans 2 parts: hardware and software 14 What does a webmaster do? ? Ans Designs, develops and mantains a website. 15 What is the benefit of having expansion slots? ? Ans Allow user to install expansion cards, adding features like sound, memory and network capabilities. 16 What does arithmetic logic unit(ALU) stand for? ? Ans Performs mathematical calculation(+,-…) and logical operation(and,or,not) 17 What is this? ? Ans Touchpad on portable PC 18 What is a bus? ? Ans Electrical channel which allow devices inside the computer to communicate with each other. 19 What does Input devices content? ? Ans Mouse and keyboard 20