Computer science related questions and answers
Question 1: The void specifier is used if a function does not have return type. a. True b. False Question 2: You must specify void in parameters if a function does not have any arguments. a. True b. False Question 3: Type specifier is optional when declaring a function a. True b. False…
Question 1. What is the correct value to return to the operating system upon the successful completion of a program? A. -1 B. 1 C. 0 D. Programs do not return a value. Question 2. What is the only function all C++ programs must contain? A. start() B. system() C. main() D. program() …
1 The startup routine runs, when machine boots up is known as POST BOOT up Operating Routine I/O operation 2 Operating system is also known as: database system software hardware printer 3 What is the maximum length allowed for primary name of a…
1. ΓǪΓǪΓǪ. runs on computer hardware and serve as platform for other software to run on a. Operating system b. Application software c. System software d. All Correct Answer: a 2. ΓǪ.is the layer of a computer system between the hardware and the user program a. Operating environment b. Operating system c. System…
1. Which file in MSDOS contain internal command that are loaded during booting process? a. Io.sys b. Msdos.sys c. Command.com d. Config.sys Correct Answer: c 2. Which is the valid filename assign in MS-DOS? a. Ram*.txt b. Ram?.doc c. Ram_$.txt d. None of above Correct Answer: c 3. Which is valid…
1. Which statement is valid about ΓÇ£TIMEΓÇ¥ command? a. Time command is used to display and allow changes to the system time b. Time format can be changed by changing in country setting in config.sys file c. MS DOS displays the time in 12-hour or 24-hour format d. All of above Correct Answer: d …
21. DEL command is used to a. Delete files b. Delete directory c. Delete labels d. Delete contents of file Correct Answer: a 22. Which command be used to ask you to confirm that you want to delete the directory? a. Deltree b. Deltree/f c. Del *.*/p d. Erase *.* Correct Answer: c…
1. An entire path name, consisting of several sub-directory names can contain upto a. 13 character b. 36 character c. 63 character d. 53 character Correct Answer: c 2. In which year the first operating system was developed a. 1910 b. 1940 c. 1950 d. 1980 Correct Answer: c 3. MS-DOS…
11. Which command displays all the files having the same name but different extensions? a. Dir filename.* b. Dir filename.ext c. Dir *.sys d. Dir *.ext Correct Answer: a. Dir filename.* Explanation: * is a wild card character that stands for all any character. When you specify filename.*, it meant filename should be specified…
1. In MS-Dos 6.22, which part identifies the product uniquely a. MS b. DOS c. Ms-DOS d. 6.22 Correct Answer: d. 6.22 Explanation: MS stands for Microsoft, DOS is the name of operating system Disk Operating System, 6.22 is the version number that identifies the product. 2. In Ms-Dos what command you…