Unit 2 Tech Systems - QTAG Evidence PDF

Preview

Summary

Unit 2 Technology Systems – Mock Exam QuestionsPlease answer the questions fully and the best of your knowledge. If the question is multiple choice, circle or highlight your answer. If the question requires a written answer, please write your answer under the questionQuestion 1 Identify one cabled m...

Description

Unit 2 Technology Systems – Mock Exam Questions Please answer the questions fully and the best of your knowledge. If the question is multiple choice, circle or highlight your answer. If the question requires a written answer, please write your answer under the question

Question 1 Identify one cabled method of transferring data between devices (1 mark). A. WiFi B. Bluetooth C. Coaxial D. Infrared

Question 2 Operating Systems are used to control technology systems. What type of component is an Operating System? (1 mark) A. Data B. Hardware C. Software D. Memory

Question 3 Most computers store data on internal storage devices. Identify two types of internal storage devices. (2 marks) A. RAM B. SSD C. ROM D. HDD E. DVD

Question 4 Battery life is one feature on tablets and smartphones that will affect user experience. A waring message shows on your device telling you that it only has 10% battery life remaining. Identify one way to prolong battery life on a tablet or smartphone. (1 mark) A. Save files to compact disk B. Transmit on short range networks C. Dim the screen backlight D. Connect an external mouse

Question 5 Computer controlled systems automatically close external blinds when air temperatures reach a certain level. The systems are used in office building with large areas of glass. Name the type of input device that an external blind system will use (write your answer below) (1 mark). LightR

Question 6 Most modern computers provide the user with a Graphical User Interface (GUI). A GUI should be easy to use. Identify two features of a GUI for a desktop computer (2 marks) A. Icons B. Auto Correct C. Spellchecker D. Command lines E. Control buttons

Question 7 Back problems are one of several health and safety issues involved with the use of technology systems in a workplace. Name one other health risk associated with prolonged use of the monitor and of the keyboard (2 marks) Monitor: Looking at a monitor for too long can cause damage on the eyes.

Keyboard: Typing too much can cause some pain to the fingers

Question 8 Scott runs an online business and wants to provide his customers with up to date pricing information on his products. Identify the software application that Scott would use. (1 mark) A. Web-Authoring software B. Presentation software C. Graphics software D. Desktop Publishing software

Question 9 Transferring data over a wired network is usually faster than transferring data over a wireless network. Identify two other benefits of transferring data over a wired network. (2 marks) Benefit 1: It is a lot more secure meaning files cant get stolen

Benefit 2: You will be able to send larger amounts of files

Question 10 Future developments of technology systems are important to many organisations. Identify two reasons why organisations want to keep their technology systems up to date. (2 marks) A. To extend levels of access B. To increase public awareness C. To improve performance D. To enhance staff skills E. To maintain a competitive advantage

Question 11 Identify one function of the Arithmetic Logic Unit (ALU) in a CPU. (1 mark) A. To store program files B. To process program instructions C. To hold the next program instruction D. To sequence program input

Question 12 Identify two output devices (2 marks). A. Speaker B. Mouse C. Microphone D. Projector E. Keyboard

Question 13 Malware, such as trojans and worms, is software designed to damage computer systems. Identify the software needed to protect computers against malicious code. (1 mark) A. Application B. Firewall C. Anti-Virus D. Utility

Question 14 An Operating System is the layer of software that links the user with the components of a computer. The Operating System must manage the computer’s files. Explain the role of the Operating System in managing resources in multi-programming (write your answer below). (2 marks) Makes sure different processes can make use of the CPU with out conflicting eachother

Question 15 8-bit binary code can be used to represent whole numbers. What number does this code represent: 00100010 (2 marks). A. 16 B. 34 C. 24 D. 65 E. 73

Question 16 Operating Systems are upgraded regularly. These upgrades of include security patches. Explain one reason why security patches for Operating Systems are required (write your answer below) (2 marks)

Because new types of viruses and security threats are made very often and are able to bypass older versions of this so it will help the operation system stay secure.

Question 17 The performance of a Central Processing Unit (CPU) affects the overall performance of a system. CPU performance is controlled by clock speed and bus width. Describe two relationships between clock speed and bus width (4 marks) Clock speed – The speed of the CPU Bus width – How many bits can go from the CPU to other components connected to it on the system board

Question 18 Identify three security measures used in technology systems (3 marks). A. Networks B. Passwords C. Communication D. Levels of Access E. Actuators F. Authentication

Question 19 Many mobile devices use System-on-a-Chip (SoC). Explain how two features of SoC make it suitable for use in mobile devices (4 Marks). Feature 1: The system being on a chip itself is good for mobile devices because it is small and is able to fit inside mobile devices

Feature 2: The system being on the same chip makes it a lot easier if the device gets broken and needs to be fixed

Question 20

Mobile devices have specially designed operating systems. Analyse how the features of these operating systems make the suitable for mobile devices (write your answer below) (8 marks). Ease of use: Mobile Operating Systems tend to be a lot easier to use instead of windows operating systems. This is because there is there is a lot less than computers and everything that you need to find (settings wise) can be found by clicking an icon

Power to the user: This means how much power the user has over the phone, meaning that the owner of the mobile device can do anything the want to do as it will be easier to understand compared to a computer. This is good because if there are any issues with the device it can be fixed without having to go out and repair it at a shop.

Possibilities for Personalization use: This means that the mobile device that someone is using can be personalized easily, android tends to be easier towards using personalization than apple because android is a lot easier to download things on the device....