CA Chapter 3

CA Chapter 3

University

70 Qs

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CA Chapter 3

CA Chapter 3

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

mimi mimi

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70 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The binary number 1100 1011 1101(2) corresponds to which hexadecimal value:

DBC(16)

CDB(16)

CBD(16)

BDC(16)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the 80-bit floating-point representation, how many bits is the exponent:

14 bits

13 bits

16 bits

15 bits

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the IEEE 754/85 standard for double-extended precision floating-point representation, the length is:

80 bits

64 bits

32 bits

16 bits

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many characters are included in the extended ASCII code:

256

512

1024

128

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a computer's information transmission system, the bus types are:

Data bus, address bus, multipurpose bus (can be used as both data bus and address bus)

Parallel bus, serial bus, half-duplex bus

Internal processor bus, main memory bus, input-output bus

Data bus, address bus, control bus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the 32-bit floating-point representation, how many bits is the significand:

20 bits

22 bits

23 bits

21 bits

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In computer representation, addition of signed integers gives incorrect results when:

Adding two numbers of the same sign results in a number of the opposite sign

Adding two numbers of different signs

Adding two positive numbers results in a negative number

Adding two negative numbers results in a positive number

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