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Nyquist data sampling rate in pulse code modulation (PCM).
The Nyquist data sampling rate in pulse code modulation (PCM) is twice the highest frequency component in the original analog signal. This means that the sample rate must be high enough to accurately capture all the details of the original signal. According to the Nyquist theorem, the minimum sampliRead more
The Nyquist data sampling rate in pulse code modulation (PCM) is twice the highest frequency component in the original analog signal. This means that the sample rate must be high enough to accurately capture all the details of the original signal. According to the Nyquist theorem, the minimum sampling rate required to avoid aliasing (the phenomenon where high-frequency components in the original signal are misinterpreted as low-frequency components in the sampled signal) is twice the highest frequency component in the original signal.
In PCM, the analog signal is sampled at regular intervals, and each sample is quantized and encoded into a digital value. The quantization step determines the number of bits used to represent each sample, and thus the dynamic range and accuracy of the digital representation of the analog signal. The Nyquist rate determines the minimum number of samples required to accurately represent the original analog signal in the digital domain.
See lessDifferences between data terminal equipment (DTE) and data communication equipment (DCE) with respect to data communication. (2 marks)June/July 2022
Data Terminal Equipment (DTE) refers to the devices that generate, process, and use data, such as computers, terminals, printers, and modems. DTE typically initiates a communication session and is the source or destination of data in a communication network. Data Communication Equipment (DCE) refersRead more
Data Terminal Equipment (DTE) refers to the devices that generate, process, and use data, such as computers, terminals, printers, and modems. DTE typically initiates a communication session and is the source or destination of data in a communication network.
Data Communication Equipment (DCE) refers to the devices that provide a physical connection between DTE devices, enabling them to exchange data. DCE devices typically include modems, routers, switches, and multiplexers. They provide the physical and data link layer services required to transmit data between DTE devices.
In a data communication system, the DTE device communicates with the DCE device, which in turn communicates with other DCE or DTE devices. The DCE provides the interface between the DTE and the communication network, such as a telephone or an Ethernet network, and is responsible for converting the data generated by the DTE into a format suitable for transmission over the network.
See lessZamala Enterprises is in the process of developing a mission statement. Explain five ways in which this statement would be useful to the enterprise. (10 marks)November 2022
Clarifying the organization's purpose: A mission statement can help to clarify the organization's purpose and goals, which can help to focus the efforts of all employees towards a common objective. Facilitating decision-making: A mission statement can help to guide decision-making, by providing a clRead more
Outline five benefits that may accrue to an organization from establishing an effective co-ordination function. (10 marks)November 2022
There are several benefits that may accrue to an organization from establishing an effective coordination function: Improved communication: An effective coordination function can help to improve communication among different departments and teams within the organization, which can lead to better decRead more
There are several benefits that may accrue to an organization from establishing an effective coordination function:
Organizations usually carry out interviews during employee selection. Explain five reasons why this is done. (10 marks)November 2022
Organizations carry out interviews during employee selection for several reasons: To assess qualifications and skills: Interviews allow organizations to assess the qualifications and skills of potential employees, and to determine whether they are a good fit for the position. To gauge work experiencRead more
Organizations carry out interviews during employee selection for several reasons:
Explain five ways in which a manager can ensure efficient stock control in an organization. (10 marks)November 2022
There are several ways in which a manager can ensure efficient stock control in an organization: Implement a proper inventory management system: An inventory management system can help managers track stock levels, identify slow-moving items and predict future stock needs. Establish reorder points: MRead more
There are several ways in which a manager can ensure efficient stock control in an organization:
Outline five advantages of the group decision making technique. (10 marks)November 2022
There are several advantages of the group decision-making technique: Increased creativity and diversity of ideas - Group decision-making allows for a diversity of perspectives and ideas to be considered, which can lead to more creative and innovative solutions. Greater acceptance and commitment - WhRead more
There are several advantages of the group decision-making technique:
Organizations find it necessary to continuously monitor the environment in which they operate. Explain five reasons for this necessity. (10 marks)November 2022
Organizations need to continuously monitor their environment for a variety of reasons. To identify new opportunities and threats - Organizations need to be aware of changes in the market, industry trends, and other external factors that can impact their operations, in order to identify new opportuniRead more
Organizations need to continuously monitor their environment for a variety of reasons.
Explain five factors that may limit the freedom of a manager when recruiting employees. (10 marks)November 2022
Legal compliance: Managers may be limited by legal compliance requirements when recruiting employees, such as anti-discrimination laws, equal opportunity laws, and laws related to background checks, reference checks, and other pre-employment screenings. Budget constraints: Managers may be limited byRead more
Outline five objectives of budgetary control in an organization. (10 marks)November 2022
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