BSNL TTA Computer Windows And Dos

Attempt Free BSNL TTA Computer Windows And Dos Here. Read The Important BSNL MCQ From Below.

1) Multi tasking is

a. easier to develop than single task
b. execute each job faster
c. execute more jobs at the same time period
d. used only in large computers
Ans. c

2) While working with DOS, which command is used to combine files ldce1 plus ldce2 to a new file ldce3

a. Copy ldce1 ldce2 to ldce3
b. copy ldce1+ldce2 ldce3
c. copy ldce1+ldce2+ldce3
d. copy ldce2 ldce1 +ldce3
Ans. b

3) What is the system built directly on the hardware

a. Operating system
b. software
c. Program
d. None
Ans. a

BSNL TTA Computer Windows And Dos

4) The primary purpose of operating system is

a. to make the most efficient use of the computer hardware
b. to allow people to use the compute
c. to keep systems programmers employed
d. Option 4
Ans. a

5) Which is a valid extension that a user is allowed to create on DOS

a. .exe
b. .com
c. .sys
d. .bat
Ans. d

6) Which command can be used to create tracks and sectors on a disk

a. fdisk
b. format
c. chkdsk
d. Attrib
Ans. b

7) Which command is used to create partitios using DOS/.

a. fdisk
b. format
c. chkdsk
d. attrib
Ans. a

BSNL TTA Computer Windows And Dos

8) Which of the following operating systems does not implement multitasking truly?

a. Windows 95
b. Windows 98
c. Windows XP
d. MS DOS
Ans. d

9) .____ transforms one interface to another

a. program
b. Software
c. Data
d. None
Ans. b

10) ____ runs on computer hardware and serves as a platform for other software to run on

a. operating system
b. Application software
c. system software
d. All of these
Ans. a

11) Which of the command in DOS creates a directory

a. mkdir
b. md
c. Mk
d. both mkdir and md
Ans. d

BSNL TTA Computer Windows And Dos

12) Which DOS command is used to delete a directory that is empty?

a. del *.*
b. rd
c. erase
d. md
Ans. b

13) Each time you turn on a DOS based computer, it will check for the following files

a. Command.com, io.sys
b. Command.com, date.com, dir.com
c. command.com, io.sys, msdos.sys
d. chkdks.exe
Ans. c

14) Which command in DOS is used to display the subdirectory structure and pause the screen after each screenful of info

a. tree
b. deltree/f
c. Dir | more
d. Tree | more
Ans. d

15) Which is the valid filename in DOS

a. Ldce*.txt
b. ldce?.txt
c. ldce_$.txt
d. None
Ans. c

BSNL TTA Computer Windows And Dos

16) Which of the following file extension that suggests a backup copy

a. bak
b. Bas
c. com
d. txt
Ans. a

17) Which file in DOS contain internal commands that are loaded during the booting process

a. io.sys
b. Msdos.sys
c. command.com
d. config.sys
Ans. c

18) An interface in a computer that consists program counters, registers, interrupts and terminals

a. Hardware
b. Software
c. Data
d. None
Ans. a

19) Which command in DOS is used to provide access to the files in other directories

a. Tree
b. Path
c. dir
d. attrib
Ans. b

BSNL TTA Computer Windows And Dos

20) Swapping actually

a. Works best with most computers
b. Allows many programs to use memory simultaneously
c. allows each program in turn to use the memory
d. Does not work with overlaying
Ans. c

21) Which switch along with the command dir in DOS is used to view files in all directories

a. /p
b. /w
c. /s
d. /l
Ans. c

22) Which command in DOS displays only file and directory names without size and date info

a. dir/w
b. Dir/a
c. dir/b
d. Dir/s
Ans. c

23) Which command in DOS is used to see the contents of a file

a. type
b. copy
c. Ed
d. None of these
Ans. a

BSNL TTA Computer Windows And Dos

24) Which command in DOS allows you to move one file from one location to another location

a. rename
b. copy
c. Move
d. Cp
Ans. c

25) The first program that runs on a computer when the computers boot up

a. system software
b. operating system
c. system operations
d. None
Ans. b

BSNL TTA Computer Windows And Dos