Coding Techniques in Computer Science

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What is the main purpose of a classification code?

To distinguish one class from another
To simplify the input process
To eliminate the need for lengthy descriptions
All of the above (correct)

What type of code is used to specify the activity or work to be performed without spelling out all the details?

Mnemonic code
Sequence code
Classification code
Function code (correct)

Which of the following is an example of a sequence code?

A, M, D, S
Numbers or letters assigned in series (correct)
SC - 1, ST - 2, SE - 3, GE - 4
SC, ST, SE, GE

What is the purpose of a mnemonic code?

The text does not mention anything about mnemonic codes. (B) Signup and view all the answers

How does a classification code simplify the input process?

Both a and b (B) Signup and view all the answers

Which of the following is an example of a function code?

A, M, D, S (B) Signup and view all the answers

What is the primary purpose of assigning sequence numbers to transactions in a banking system?

To keep track of the order in which transactions have occurred (C) Signup and view all the answers

What is the primary purpose of using mnemonics to code information in university systems?

To reduce the volume of data for input and simplify the process (C) Signup and view all the answers

What is the correct sequence of steps for the 'source data capture with keypunching' method?

(i) Write the data, (ii) Code the data, (iii) Keypunch the data, (iv) Verify the punched cards, (v) Batch the cards, (vi) Validate the data, (vii) Process the data (B) Signup and view all the answers

What is the main advantage of using significant digit subset codes in an identification number?

It provides additional information to the user and management (C) Signup and view all the answers

What is the significance of the term 'MCA' in the context of the text?

It is a code for 'Master of Computer Application' (C) Signup and view all the answers

What is the primary purpose of using mnemonic codes to describe a product?

To communicate the product visually (D) Signup and view all the answers

What is the primary function of the 'source data capture with key to storage' method?

To process the tape or disk of data directly (D) Signup and view all the answers

What is the main reason why analysts often specify the assignment of sequence numbers in intervals of 10 or 20?

To allow for later expansion by inserting new members between existing ones (A) Signup and view all the answers

Which of the following is a characteristic of the 'source data capture with keypunching' method?

It is an old method that is seldom used today (A) Signup and view all the answers

How does the use of significant digit subset codes differ from the use of mnemonic codes?

Significant digit subset codes provide additional information, while mnemonic codes do not (A) Signup and view all the answers

Which of the following is NOT a benefit of using significant digit subset codes in an identification number?

It reduces the length of the identification number (D) Signup and view all the answers

What is the purpose of the 'validate data' step in both the 'source data capture with keypunching' and 'source data capture with key to storage' methods?

To ensure the data is processed correctly by the computer (B) Signup and view all the answers