Computing quick practice

Question 1 of 10

The SQL function that counts records is ___.

Question 2 of 10

The OSI layer that sets up, manages and ends connections between applications is the

Question 3 of 10

To add two 4-bit numbers, full adders can be connected in a

Question 4 of 10

A·(A + B) simplifies to

Question 5 of 10

Design a record structure for a library book and explain why a record is better than separate variables.

Question 6 of 10

The SQL clause that filters records is ___.

Question 7 of 10

Write SQL to create a table Pupils with fields PupilID (primary key), Name, Class and Age.

Question 8 of 10

HTTP, SMTP and FTP work at the

Question 9 of 10

A disadvantage of cloud storage for a school with slow internet is

Question 10 of 10

Pushing 1, 2, 3 onto a stack and popping once returns