N5 CS: Computer Systems

N5 CS: Computer Systems

4th Grade

32 Qs

quiz-placeholder

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N5 CS: Computer Systems

N5 CS: Computer Systems

Assessment

Quiz

Computers

4th Grade

Practice Problem

Hard

Created by

Adrianna Dar

Used 12+ times

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32 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The value 2960 would be stored in a computer system usig 'floating - point representation' as shown: 0.2960 x 10(4)

Identify th mantissa and exponent in th above floating-point representation:

Mantissa: 2960

Mantissa: 2.960

Exponent:4

Exponent: 0.4

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

The current meter reading of 23000.50 would be stored in a computer system using floating-point representation as shown:

0.2300050 x 10(5)

Identify the mantissa and exponent in the above floating point representation:

Mantissa: 2300050

Mantissa: 2.300050

Exponent: 5

Exponent: 0.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How a real number is stored in a computer's memory?

Using floating point representation

Using value of mantissa and exponent for this number

Using binary numbers 0 or 1

A a decimal number with two or more decimal places

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

State a standard code used to represent text characters and the number of bits used to store each character:

ASCII American Standard Code for Information Interchange

Binary code: using values 0 or 1

Using value of Mantissa and Exponent

Any code writting in high level language

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Each of the letters of the message ERROR will be stored as an ASCII character. Calculate the number of bits required to store this message:

8 bits

128 bits

16 bits

40 bits

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Select correct names for attributes of vector graphic:

coordinates

fill colour

line colour

size in pixels

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

The line (see graphic) is stored as a vector graphic. State one attribute of this object.

x and y coordinates

thickness/width and colour

length, rotation and angle

transparency, opacity and layer

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