GCSES LAST MINUTE STUFF

Question 1

What is a layer?

Answer 1

A division of network functionality

Question 2

What does FTP use?

Answer 2

Client-server model

Question 3

What is the command SELECT for in SQL?

Answer 3

Retrieves data from a database table

Question 4

What is the command FROM for in SQL?

Answer 4

Specifies the tables to retrieve data from

Question 5

What is the command WHERE for in SQL?

Answer 5

Filters the data based on a specified condition

Question 6

What does SELECT* do?

Answer 6

Retrieves all data from the table

Question 7

When using 2D arrays what is the first value for?

Answer 7

Row

Question 8

When using 2D arrays what is the second value for?

Answer 8

Column

Question 9

Name some Registers

Answer 9

• Accumulator
• MAR/MDR
• PC

Question 10

Purpose of MAR

Answer 10

Holds the memory address of where data or instructions are to be fetched from

Question 11

Purpose of MDR

Answer 11

Stores the data or instruction which has been fetched from memory

Question 12

Purpose of PC

Answer 12

Holds the memory address of the next instructions to be executed