1.In object-oriented languages, every instance of every class, whether predefined or user-defined, is called an _______.

a.Value

b.Object

c.Variable

d.Statement

2.Almost all programming languages provide a set of ________ data types.

a.Derived

b.User-defined

c.Primitive

d.Record

3.Most languages now use _____ numbers for positive integers, and _________ for negative integers.

a.Decimal, ones complement

b.Hexadecimal, twos complement

c.Binary, twos complement

d.Octal, ones complement

4.The number -45 is represented by _________ and _________ in a computer memory.

a.twos complement, 11010011

b.twos complement, 00101101

c.Ones complement, 00101101

d.Ones complement, 11010011

5.The number -1465.125 is represented using single precision float-point 32-bit binary value _______.

a. 0 10001001 01101110010010000000000

b. 0 10001001 01110110100001000000000

c. 1 10001001 01110110100001000000000

d. 1 10001001 01101110010010000000000