💻 Computing Solved MCQs with Answers

Practice 1954 approved 💻 Computing questions with verified answers from the 💾 Computer Science subject for Pakistan exams.

1954 solved MCQs

Which of the following directories contain all the Alias created by a user, including his login directory?Answer: /usr Which of the following commands is used to obtain a list of all files by modification time?Answer: ls -t The % key allows youAnswer: to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace. Which command is used to display the characteristics of a process?Answer: ps Which of the following commands is used to identify the type of file by context?Answer: file The field separator in cut command is specified withAnswer: -d option Which of the following options will be used to display number of blocks used by a file?Answer: -s Which option will be used with touch command to change the access time?Answer: -a Which command is used to display and create files?Answer: cat The second set of the three permissions (r-) indicates thatAnswer: group has read permission only Which column contains all details of the permissions of a file when you issue the ls -l command?Answer: first Which of the following commands is used to display your working directory?Answer: pwd While working with mail command, which command is used to save mail in a separate file?Answer: s The command used to compare the files is known asAnswer: cmp Which command is used to terminate a process?Answer: kill Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field?Answer: +m.n The cp command uses:Answer: neither standard input nor standard output file A program language:Answer: All of the above Which of the following symbol modes are used to input of graphics to General CAD system?Answer: All of the above Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?Answer: Solid modeling Computer-based controllers:Answer: (a) and (c) above Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?Answer: Direct view storage tube Automation normally means:Answer: a net increase in jobs. Trend analysis:Answer: can improve control system response The use of specialized workstations:Answer: reduces the host computer workload and allows more users What key hardware item ties a CAD/ CAM system together?Answer: Graphics workstation Which of these controller types is the most accurate?Answer: Three mode Flat panel displays are based on what type of technology?Answer: Solid state Which of the following is a graphical input device?Answer: light pen Today, programmable controllers:Answer: All of the above