Câu hỏi về máy vi tính pdf

QUIZ
Ngô Thùy Trang
Nguyễn Ngọc Tiến
Trần Thị Thùy Hương
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Phạm Thị Như Quỳnh
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Filling suitable word for each of the blanks
1: Cursor control keys
2: Alphanumeric keys
3: Fun%on 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
Peripherals
(1)

-Mouse

-Keyboard
-Camera
(2)
-Monitor
-Printer


(3)
-Magne%c
-Op%cal
-Flash memory





(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 sec%on?
?
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 collec%on 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
edi%ng 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 bene<t of having expansion slots?
?
Ans
Allow user to install

expansion cards, adding
features like sound, memory
and network capabili%es.
16
What does arithme%c logic
unit(ALU) stand for?
?
Ans
Performs mathema%cal
calcula%on(+,-…) and
logical
opera%on(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