4.In Excel suppose you have columns of data that span more than one printed page. How can you automatically print the column headings on each page?
Options: (A)Click page setup on the file menu, click the sheet tab, and enter the row that contains these column headings under print titles. (B) Click page setup on the file menu, click the page tab, click the options button, then enter your choices. (C) Click page setup on the finle menu, click the sheet tab, and make a selection under the print heading. (D) All of above 4
. How do you change column width to fit the contents?
Options: a. Single-click the boundary to the left to the column heading b. Double click the boundary to the right of the column heading c. Press Alt and single click anywhere in the column d. All of above
6.In uni-processor scheduling, if nonpreemptive policy is applied then
Options: (A)Once a process is in running state, it continues to execute until it terminates or block itself. (B) Currently running process can be interrupted and moved to ready state by the operating system. 72 | (C) The clock interrupt is generated at periodic intervals. (D) None of these. 11
Options: A) writes computer programs for specific problems
B) operate the device which input and output data from the computer
C) normally require a college degree in computer science
D) all of the above