ACW2851 Tutorial 2

Intro to AIS Tutorial Questions 1) Discussion Question 1–4 What is XBRL? XBRL is emerging as the language that will be used to create interactive data that financial managers can use in communication. How do you think the use of interactive data might enhance the value of a company’s financial statements? Answer : XBRL = eXtensible Business Reporting Language. It is a STANDARD format used for financial statements. It is tagged based i.e XBRL format allows financial data to be more searchable and comparable. Therefore, useful because XBRL enables companies to use standard tags to identify specific accounting values. XBRL is a standards-based way to communicate and exchange business information between business systems. There is also no re-keying, and thus, more reliable – no keying errors.

2) Problem 2-18. What words were used to form each one and what does each term mean? POS CPU OCR MICR RAM

Temporary memory space in the computer

ALU

Part of the CPU that does the Arithmetic Logic Calculation

MIPS

Measure the speed of the processor

MHz

Unit for the speed of the processor/Clock speed

ppm

Measure of printing speed

Pixel

Picture Element, measure of the sharpness of images on the screen

dpi

Sharpness for printing and monitor

LAN WAN

Example: Internet

WAP Wi-Fi Modem NFC

Example: Smart Tag

3) Explain what does a client/server computing mean. What are the advantages and disadvantages of client/server computing? 4) What are the different types of software out there? Explain the differences. 5) What is RFID? How important is RFID to accountant? Answer: 3) Advantages: a) Sharing from resources b) Allows changes to the clients without affecting the server and vice versa Disadvantages: a) Overly reliant on the server b) Can cause network congestion between client and server 4) a) Operating System  A program that manages the various programs and, devices that are connected. For example, Windows 8 and UNIX b) Application Program  A software that the end user uses to complete certain tasks. For example, Excel and Candy Crush. c) Programming Language  A software that the end user uses to complete certain tasks. For example, C++ and Java. 5) RFID = Radio Frequency Identification (RFID). It is a

wireless and uses electromagnetic fields to transfer data. It is mostly used to track and identify objects. RFID is very popular for identifying and tracking stock items. It allows quicker and more accurate count of stocktake.