Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape, It provides only sequential access to stored data, Users can easily update records by writing over the old data, It does not provide an automatic audit trail
The most common binary code in use today is the 8 bit ASCII code. What do the letters ASCII stand for?
Options: American Standard Code for International Interchange, American Standard Code for Information Interchange, American Standard Code for Intelligence Interchange, American Scientific Code for Information Interchange
The advantage(s) of incorporating the macro processor into pass 1 is(are):
Options: many functions do not have to be implemented twice., Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler., more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros., all of the above
Which, of the following, is true for testing and debugging?
Options: Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program, Testing detects the syntax errors in the program while debugging corrects those errors in the program, Testing and debugging indicate the same thing, All of the above
Suppose that you have a the maintenance package identifies several possible field replaceable units (FRUs) that will resolve the problem. What should you do after turning the power off?
Options: Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRUs to stock, Replace all of the indicated FRUs at once and return the machine to the customer if the problem is resolved, Follow the same procedure as in ays replace the system board first if it is on the list of possible FRUs If multiple FRUs are indicated, then software is the most likely source of the problem, None of the above
Which of the following is not true about modifying table columns?
Options: You can drop a column at any time., You can add a column at any time as long as it is a NULL column., You can increase the number of characters in character columns or the number of digits in numeric columns, You cannot increase or decrease the number of decimal places.