08.09.22 revision

Question 1

fetch decode….

Answer 1

execute

Question 2

computers use binary to…

Answer 2

program instructions and represent data!

Question 3

’’’’ 01101101
+ 10001101

Answer 3

11111010

Question 4

names of secondary storage?

Answer 4

magnetic, solid state, optical

Question 5

What base is Denary in?

Answer 5

Base-10: There are ten possible numbers you can put in one space.

Question 6

LAN stands for?

Answer 6

Local Area Network

Question 7

WAN stands for?

Answer 7

wide Area Network

Question 8

what is an overflow error??

Answer 8

an overflow error is where two binary numbers end up to total an extra digit that does not fit. (e.g. 9 digits will not work, 18 digits will not work.)

Question 9

what is 52 in 8-bit binary??
(128 64 32 16 8 4 2 1)

Answer 9

00110100

Question 10

list the network topologies:

Answer 10

bus, star, and mesh

Question 11

What is the CPU?

Answer 11

The component of a computer system which controls the interpretation and execution of instructions.

Question 12

What is the data bus?

Answer 12

Part of the computer responsible for distributing and managing real time data.

Question 13

What base is binary in?

Answer 13

Base 2: There are 2 possible numbers you can put in one space.

Question 14

What are the two methods of compressing data, and what do they mean?

Answer 14

Lossless - data compression where every bit of data originally in a file remains after it is uncompressed, and all the information is restored (documents, code)
Lossy - discards small amounts of data in the process of compression, however the file remains usable (images, videos)

Question 15

What is the Von Neumann concept?

Answer 15

First published on 1945.
Proposed that a program could be stored on a computer in binary.

Question 16

What are registers?

Answer 16

A type of computer memory used to quickly accept, store, and transfer data and instructions

Question 17

What is Mesh Topology?

Answer 17

Where all the computers are connected to each other