Paper 1 new quiz

Match the following

• Stores parts of calculations for ALU

• MDR

• Points to the next instruction in memory

• CPU

• Process data and instructions

• PC

• Holds the actual data

• Acc

• Holds the location of the instruction

• MAR

CDs, DVDs and Blu-ray discs are all types of...

• Optical media

• Magnetic storage

• Flash storage

• Solid State Drives

What type of network is usually a single building or site? ​ (a)  

• LAN
• WAN
• PAN

When a hard drive becomes fragmented reading and writing files becomes…...?

• Faster

• Slower

• No different

• Harder

Defragmentation will aim to…..?

• Make more space on the hard drive

• Move files further apart from each other

• Move free space closer together

To scramble data so that it is unreadable is a form of….?

• Compression

• Encryption

• Backup

• Defragmentation

Encrypted messages are called...?

• Originaltext

• Plaintext

• Ciphertext

• Keytext

The two kinds of wireless connection are:

• WiFi & Bluetooth

• WiFi & Airpod

• Bluetooth & phone data

• Phones & internet

To access a wireless network, a device needs a wireless ___ connected to or built into it.

This is an example of a ________ email.