Computer MCQS for FPSC
In a relational database a single piece of information is called
Attribute
Record
Field
Entity
The maximum width of a C variable name can be
20 Characters
10 Characters
6 Characters
8 Characters
A file is stored in
ROM
RAM
Hard disk
Cache
Which of the following function keys is used to choose the save as command?
F12
F2
F4
F10
Data can be in the form of
Characters
Numbers
All of the above
Images
In ERD model the relationship between two entities is represented by a
Rectangular box
Line
Oval symbol
Diamond symbol
The protocol developed by IBM for its mainframe computers is named
De facto
De hure
SNA
X.25
If an entity is connected to many other entities then the relationship is called
One to one relationship
Bubble Chart
Many to many relationship
One to many relationship
a+=b is equivalent to
a = + b
b= b +a
a= a +b
b+=a
Variables are created in
Cache
ROM
Hard disk
RAM
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