End of Semester Test: Principles of Information Technology A

Which hexadecimal number is equivalent to this binary number?

• D9

• C7

• 9D

• 7C

Which part connects the CPU to the other internal parts of a computer?

• ALU

• bus

• control unit

• memory unit

• register

The control unit and arithmetic logic unit are part of which hardware component?

• Blu-ray disc

• ROM

• monitor

• CPU

• RAM

What stores data that the CPU is working on at any given point of time

• solid-state storage

• magnetic storage

• optical storage

• read-only memory

• random access memory

Celine's computer motherboard malfunctioned and had to be replaced. On starting her computer again, she finds that the logo and other startup text have changed completely, although there is no change to her desktop and personal files. Which storage device is likely to have been changed?

• DVD drive

• ROM

• hard disk

• sound card

• RAM

Which device can be connected to a computer or network and allow live streaming of video to a video chat?

• digital camera

• projector

• optical drive

• webcam

• video card

Reconnecting the keyboard cable to the correct port on the computer solves the issue. Identify the port to which Hatim should reconnect the keyboard cable.

• USB port

• Monitor port

• Keyboard port

• Ethernet port

Drag each tile to the correct box. Kyra notices many files on her laptop. She is not sure what any of these files are. Help her identify the type of file using the extension Movie.jpg

• compressed file

• image file

• video file

• audio file

• document file

Which statements are true regarding system and application software? 1. System software consists of only the OS and application software. 2. A program is a set of instructions that helps the user understand the functioning of the computer. 3. An OS acts as an interface between the hardware and the user. 4. Application software allows users to perform various tasks. 5. Disk cleaner, resource monitor, etc. are all examples of application software.

• System software consists of only the OS and application software.

• A program is a set of instructions that helps the user understand the functioning of the computer.

• An OS acts as an interface between the hardware and the user.

• Application software allows users to perform various tasks.

• Disk cleaner, resource monitor, etc. are all examples of application software.

What tool is most likely to be used if Phil has a corrupted drive and needs to extract the files he can?

• disk cleaner

• data recovery utility

• diagnostic program

• antivirus

• Zayne needs to scan her computer and remove infected programs.