March Mock Extended Do Now

CPU stands for ​ (a)   . It is the part of the computer that fetches and executes the ​ (b)   that are stored in ​ (c)   . The CPU contains the Arithmetic ​ (d)   Unit (ALU) and the ​ (e)   Unit (CU).

• Central Processing Unit
• instructions
• (main) memory
• Logic
• Control

Match the following ways computer performance is improved:

• Increased Cache Size

• Frequently used instructions can be accessed faster than accessing from the RAM.

• Faster Clock Speed

• More instructions can be fetch-decode-executed per second.

• Dual Core Processor

• Each processor can execute separate instructions at the same time.

To compress an image the software will use ​ (a)   to remove ​ (b)   . It could use lossy compression which ​ (c)   the ​ (d)   , or lossless compression where the original file will be ​ (e)   .

• an algorithm
• unnecessary data
• permanent deletes
• data
• information
• restored

Organize these options into the right categories

Groups:

(a) Utility Software

,

(b) Application Software

,

(c) Operating Systems

• Word Processing Software

• File Compression Software

• Antivirus Software

• iOS 14

• Android 10

• Defragmentation Software

• Windows 10

• Spreadsheet Software

• Chrome OS

• Presentation Software

• Web Browser

• Backup Software

Which of the following are reasons why a wireless network may be slower can wired?

• Wireless transmission is slower than cabled.

• Increased traffic from mobile devices being added to the network

• Wireless can be limited by interference

• Wireless technology is less advanced than wired technology.

Reorder the following:

• The user types in a URL into a web browser.

• The web browser send to the URL to the DNS.

• The DNS matches an IP to the URL.

• The IP address is sent back to the browser.

• The browser requests the webpages from the webserver.

Match the following:

• Internet Message Access Protocol (IMAP)

• Sending an email from one mail server to another.

• Simple Mail Transfer Protocol (SMTP)

• Downloading an email to your computer.

• Hypertext Transfer Protocol (HTTP)

• Viewing a website using a web browser.

• File Transfer Protocol (FTP)

• Transmitting a file from a client to a server.

Which of the following is not a reason why the TCP/IP model uses layers:

• Changes won't affect the other layers.

• To simplify troubleshooting as each layer has its own purpose.

• Different layers can interface with different hardware.

• To make the model more complex.

Layla is an artist. She draws images by hand. The image is then scanned and stored on a computer. Identify which legislation can help protect Layla’s images.

• Copyright, Design and Patents Act (1988)

• The Data Protection Act (2018)

• The Computer Misuse Act (1990)

Which type of storage is most suitable for storing the electronic books inside the e-book reader?

• Compact Disc (CD)
• Solid State Drive (SSD)
• Hard Disk Drive (HDD)
• Random Access Memory (RAM)