Correct

床 vs 床铺

/ chuáng vs chuángpù /
Strokes

Definition

床 and 床铺 both are Noun, which means [bed].

Example

床 can be in singular or plural number; 床铺 is a general designation, meaning "all sorts of bed".
1
zi
屋子
yǒu
zhāng
shuāngrénchuáng
双人床
  

There is a double bed in the room.

2
Chuáng
shàng
zhāo
piàoliang
漂亮
de
chuángdān
床单
  

The bed is covered with a beautiful sheet.

3
Zhè
shì
jiā
jiǎn
简易
diàn
旅店
  
,
chuáng
床铺
jiā
家具
dōu
hěn
jiǎndān
简单
  

This is a simply-equipped hotel with simple beds and basic furniture.

In some cases, 床 and 床铺 both indicate plural numbers.
4
Wèile
为了
xuésheng
学生
xià
夏日
shuì
午睡
  
,
xuéxiào
学校
tiānzhì
添置
le
xiē
一些
chuáng
床铺
  
(
chuáng
  
)
  

The school bought some beds for students' nap in summer.