Computer and network technology : BCS level 4 certificate in IT study guide / Gary Thornton and Jones.

Format:

Book

Author/Creator:

Thornton, Gary, author.

Jones, author.

Language:

English

Subjects (All):

Computer networks.

Artificial intelligence.

Physical Description:

1 online resource (317 pages)

Place of Publication:

London, England : BCS Learning & Development Limited, [2023]

Summary:

This interactive study guide will support candidates in developing fundamental knowledge and understanding of the basics of computer and network technology, processor architecture and networks, and with an introduction to operating systems and system software. It explains key concepts within the Computer and Network Technology module and helps candidates prepare for their exams, including explainer videos, interactive questions and skills challenges aligned to the syllabus and with industry practice.

Contents:

Cover

Title page

Copyright

About BCS

Contents

List of figures

List of tables

List of videos

List of knowledge checks

List of skills challenges

Introduction

Chapter 1 - The fundamentals of computer and network technology

1.1 Representing decimal integers

1.2 Converting integers

Converting decimal to binary

Converting binary to decimal

Converting binary to octal and hexadecimal

Converting between decimal, octal and hexadecimal

1.3 Adding binary numbers

1.4 Representing negative numbers

Signed magnitude

One's complement

Two's complement

1.5 Subtracting binary numbers

1.6 Representing fractions

Converting decimal fractions to binary

Converting binary fractions to decimal

1.7 Logic gates

The logical operators

Boolean algebra

Simplifying logic equations

Constructing digital circuits

1.8 Sequential logic elements

RS flip-flops

JK flip-flops

D flip-flops

Simple logic circuits

Chapter 2 - Processor architecture

2.1 The concept of a stored program

The central processing unit (CPU)

Address instructions

2.2 Register-to-register machines

Zero-address instructions (stack architecture)

One-address instructions (single accumulator architecture)

Multiple-address instructions (general register architecture)

Local storage and recursion

2.3 Processor technology

Pipelined processors

Multicore processors

Memory and storage devices

Performance of storage devices

Limits of information storage

2.4 Multitasking

Interrupts

Concurrency

Parallelism

Scheduling

Memory management

Chapter 3 - Computer systems and devices

3.1 Types of computer system

Measuring performance

Benchmark

3.2 Peripheral devices

Monitors

Printers

Input devices

Biometric devices

Input/output techniques.

3.3 User experience and user interface

Chapter 4 - Networks

4.1 Network topologies

Principles of communication

Local area networks

Wide area network

WiFi and wireless technologies

4.2 Data transmission protocols

ISO 7-layer OSI reference model

TCP/IP

The network interface layer - ethernet

Internet layer protocols

Transport layer protocols

Application layer protocols

Developing protocols

4.3 Network communication equipment

Hubs

Bridges

Switches

Routers

Modems

4.4 Network security risks

Malware

Network attacks

4.5 Advances in communication technology

The cloud

The internet of things (IoT)

Software-defined networking (SDN)

Network automation

Back cover.

Notes:

Description based on print version record.

ISBN:

1-78017-601-5

OCLC:

1356573634