ICT Skills-computer

Two basic types of operating systems are (A) Batch and interactive (B) Sequential and real time (C) Batch and time share (D) Sequential and direct

(A) Batch and interactive

____ is a file that includes a series of commands that are executed in sequence without any input from the user. (A) Batch file (B) Path (C) Pipe (D) All of these

(A) Batch file

Operating System assumes responsibility, that of serving as a ____ (A) Control program (B) Contribute program (C) Supplement program (D) Supply program

(A) Control program

Which command is used to get the current date only? (A) Date (B) Time (C) Second (D) All of the above

(A) Date

DEL command is used to (A) Delete files (B) Delete labels (C) Delete contents (D) Delete directory

(A) Delete files

DIR command is used to (A) Display a list of files in a directory (B) Display type of files in a sub directory (C) Display contents of files in directory (D) All of the above

(A) Display a list of files in a directory

____ is the part of the filename that indicates which compiler or software package is needed to run the files. (A) Extension (B) RAM (C) Path (D) Cache

(A) Extension

In UNIX, name the system call which create(s) the new process? (A) Fork (B) New (C) Create (D) Creation

(A) Fork

The kernel of the operating system remains in primary memory (and other part of the operating system remains in secondary storage) because (A) It is mostly called (used) (B) It manages all interrupt calls (C) It controls all operations in a process (D) It is low level

(A) It is mostly called (used)

Most popular 16-bit operating system is (A) MS-DOS (B) TRS-DOS (C) UNIX (D) CP/M

(A) MS-DOS

____ is an example of single user Operating System. (A) Ms-Dos (B) Linux (C) Unix (D) Basic

(A) Ms-Dos

The simultaneous processing of two or more programs by multiple processors is called (A) Multi processing (B) Time sharing (C) Multi tasking (D) Multi programming

(A) Multi processing

The job scheduling led to the concept known as the ___ (A) Multiprogramming (B) Job programming (C) Programming (D) Threading

(A) Multiprogramming

What is the name of the operating system that reads and reacts in terms of actual time? (A) Real time system (B) Time sharing system (C) Quick response system (D) Batch system

(A) Real time system

Operating system is a collection of (A) Software routines (B) Input-output devices (C) Hardware components (D) All of these

(A) Software routines

For printing a document, the Operating System first makes a ____ of the file and then hands over the control back to the application. (A) Temporary copy (B) Prints (C) Moves (D) None of the given

(A) Temporary copy

Which of the following software is used to simplify using of system software? (A) Time sharing (B) Multi-tasking (C) Operating environment (D) Spreadsheet

(A) Time sharing

There should be different levels of help to satisfy the needs of different levels of ____ (A) Users (B) Hardware (C) Computer system (D) Operating System

(A) Users

The eye is an interface between the object and the part of the brain that processes ____ (A) Visual data (B) Graphic data (C) Audio data (D) Text data

(A) Visual data

A ____ controls the execution of user programs to prevent errors and improper use of the computer. (A) control program (B) contribute program (C) supplement program (D) supply program

(A) control program

How many types of multiprocessing models are there? (A) 1 (B) 2 (C) 3 (D) 4

(B) 2

Which of the following is an example of a spooled device? (A) A graphic display device (B) A line printer used to print the output of a number of jobs (C) A secondary storage device in a virtual memory system (D) A terminal used to enter input data to a running program

(B) A line printer used to print the output of a number of jobs

The ___ program is not allowed to read data from the disk. (A) OS (B) Application (C) System (D) Resident Monitor

(B) Application

Which file is the batch file that is read while booting a computer? (A) Auto.bat (B) Autoexec.bat (C) Auto-batch (D) Autoexecutive.bat

(B) Autoexec.bat

Which of the following extensions suggest that the file is backup copy (A) Txt (B) Bak (C) Com (D) Bas

(B) Bak

Remote computing services involve the use of time sharing and (A) Real time processing (B) Batch processing (C) Interactive processing (D) Multiprocessing

(B) Batch processing

While working with MS-DOS which command transfers a specific file from one disk to another? (A) Diskcopy (B) Copy (C) Time (D) Rename

(B) Copy

When a computer is ___ of any software it is just like dead body. (A) Amicable (B) Devoid (C) A machine (D) Some

(B) Devoid

____ give iterative usage of the particular application. (A) Interface (B) Icons (C) Files (D) Programs

(B) Icons

Context switching is part of (A) Interrupt servicing (B) Interrupt handling (C) Polling (D) Spooling

(B) Interrupt handling

Which command is used to set a name to a disk in DOS? (A) DISKLABEL (B) LABEL (C) VOLUME (D) VOL

(B) LABEL

____ used to create a new Directory or nested Directories. (A) MZND or MKMDIR (B) MD or MKDIR (C) MND or MKNDIR (D) DM or MFDIR

(B) MD or MKDIR

____ code will not be entertained for input/output at any circumstance. (A) User (B) Machine (C) I/O (D) System

(B) Machine

A process having multiple threads of control implies (A) Only one task at a time, but much faster (B) More than one task at a time (C) Only one thread per process to use (D) All of the above

(B) More than one task at a time

____ systems have more than one CPU in close communication with the others. (A) Communication (B) Multiprocessor (C) Controller (D) Processor

(B) Multiprocessor

Embedded operating system used (A) On a mainframe (B) On a PDA (C) On a desktop operating system (D) On a networked PC

(B) On a PDA

_____ is the sequence of directories and subdirectories the operating system must follow to find a specific file. (A) Internal command (B) Path (C) External command (D) Extension

(B) Path

Cryptography technique is used in (A) File management (B) Protection n(C) Job scheduling (D) Polling

(B) Protection

_____ may be the first elementary Operating System. (A) Resident System (B) Resident Monitor (C) Resident Operator (D) Resident Computer

(B) Resident Monitor

RESTORE command is used to (A) Restore files which are deleted recently (B) Restore files from disks made using the BACKUP command (C) Restore files is used to (D) Restore files from recycle bin

(B) Restore files from disks made using the BACKUP command

_____ is a way of dealing with dedicated I/O devices in a multiprogramming system. (A) System call (B) Spooling (C) Storage (D) Buffer

(B) Spooling

A set of extended instructions providing an interface between the Operating System and the user programs, is called a ____ (A) Machine call (B) System call (C) Instruction call (D) Service call

(B) System call

System level security is offered by the ____ in a multi-user environment. (A) code (B) password (C) name (D) secret code

(B) password

Operating systems (A) enables the programmer to draw a flow chart (B) provides a layer, user friendly interface (C) links a program with subroutine it references (D) all of these

(B) provides a layer, user friendly interface

Maximum length of DOS command using any optional parameter is (A) 26 characters (B) 87 characters (C) 127 characters (D) 156 characters

(C) 127 characters

Card reader is an example of (A) Multi-tasking (B) Multiprogramming (C) Batch operating system (D) None of these

(C) Batch operating system

Process that starts up a computer is called (A) Processing (B) Starting (C) Booting (D) All of these

(C) Booting

Which one is the example of hard real time system? (A) Robotics (B) Industrial control (C) Both (a) and (b) (D) None of these

(C) Both (a) and (b)

Which command is used to clear the screen and display the operating system prompt on the first line of the display? (A) Cd (B) Md (C) Cls (D) Rename

(C) Cls

____ booting is done by turning on the computer. (A) Spicy (B) Hot (C) Cold (D) Cool

(C) Cold

Which of the following operating system write through catches? (A) XEVIX (B) ULTRIX (C) DOS (D) UNIX

(C) DOS

Safeguarding of data is called ____ (A) Data Safety (B) Data Surety (C) Data Security (D) Data privacy

(C) Data Security

____ is/are not the functions of operating system. (A) Resource management (B) Processor management (C) File management (D) Networking

(C) File management

Which command divides the surface of the blank disk into sectors and assign a unique address to each one (A) Chkdsk (B) Ver (C) Format (D) Fat

(C) Format

A computer system is the integration of physical entities called ___ and non-physical entities called ___ (A) Network, Hub (B) Free wave, Share wave (C) Hardware, Software (D) None of these

(C) Hardware, Software

The ___ commands are those which are included with "command.com" and no external file is needed to run those commands. (A) Wild cards (B) Super (C) Internal (D) External

(C) Internal

A memory resident command refers to (A) Wild cards (B) Pipes (C) Internal command (D) External command

(C) Internal command

Spooling allowed the CPU to choose a particular job for execution leading to the concept called the ___ (A) Job Sharing (B) Job Allotment (C) Job Scheduling (D) Job Ration

(C) Job Scheduling

To avoid the delay due to manual operation ___ was introduced. (A) Assistant (B) Efficient (C) Job sequencing (D) Manual

(C) Job sequencing

User __ is divided into many partitions to accommodate various jobs. (A) File (B) Data (C) Memory (D) Program

(C) Memory

The capabilities of the operating system is to enable two or more than two programs to execute simultaneously in a single computer system by a single processor is (A) Multi-execution (B) Multi-programming (C) Multi-tasking (D) Multi-processing

(C) Multi-tasking

FIFO scheduling is (A) Fair-share scheduling (B) Deadline scheduling (C) Non-preemptive scheduling (D) Preemptive scheduling

(C) Non-preemptive scheduling

The ___ comes under the System Software category. (A) Utility System (B) Working System (C) Operating System (D) None

(C) Operating System

To 'boot', the system the computer must have a(n) (A) Assembler (B) Compiler (C) Operating system (D) Loader

(C) Operating system

The Operating System was first introduced, the primary goal was mainly to ___ (A) Share memory (B) User friendly (C) Optimize resources (D) None of the given

(C) Optimize resources

What is the general name of the device which produces hardcopy graphics? (A) Microfilm (B) COM (C) Plotter (D) Printer

(C) Plotter

Round robin is a (A) Kind of magnetic drum (B) Memory allocation policy (C) Process scheduling policy (D) Process synchronization policy

(C) Process scheduling policy

Operating System allocates ___ in such a manner so as to achieve the maximum best possible result. (A) Utility (B) OS (C) Resources (D) None of these

(C) Resources

Trap is a/an (A) Operating system's interrupt (B) Hardware interrupt (C) Synchronous interrupt (D) Asynchronous interrupt

(C) Synchronous interrupt

_____ software looks after the functions of the computer. (A) Computer (B) Utility (C) System (D) Application

(C) System

Which disk is used to cold boot a PC? (A) Program disk (B) Diagnostic disk (C) System disk (D) Setup disk

(C) System disk

Operating system is resident in memory of which part? (A) Middle (B) Lower (C) Upper (D) All of these

(C) Upper

The Operating System should work in a network as well as ___ environment. (A) diverted (B) data (C) distributed (D) direct

(C) distributed

Delete directories (A) skd, srbm (B) nd, ndir (C) rd, rmdir (D) all of these

(C) rd, rmdir

The ____ attacks and discourage people to get connected to the net. (A) source program (B) system (C) virus (D) both a and b

(C) virus

Extension name may be ___ to ___ characters. (A) 0-5 (B) 0-6 (C) 2-9 (D) 0-3

(D) 0-3

Computer system is divided into how many numbers of components? (A) 1 (B) 2 (C) 3 (D) 4

(D) 4

An entire path name , consisting of several sub directory names can contain upto (A) 13 character (B) 36 character (C) 53 character (D) 63 character

(D) 63 character

CHKDSK command is used to (A) Report the status of files on disk (B) Diagnose the hard disk error (C) Analyze the hard disk error (D) All of the above

(D) All of the above

Which of the following is/are file extension(s) in DOS? (A) COM (B) BAT (C) EXE (D) All of these

(D) All of these

____ software helps the user to do his/her work. (A) Computer (B) Utility (C) System (D) Application

(D) Application

____ loader is executed, when a system is first turned ON or restarted. (A) Compile and Go (B) Relating (C) Harmish (D) Bootstrap

(D) Bootstrap

Operating system cannot be worked as a (A) Memory manager (B) Device manager (C) Processor manager (D) Communication manager

(D) Communication manager

The operating system provides special routines called ____ to support the specific behavior of individual device. (A) Managers (B) Programs (C) Application (D) Device drivers

(D) Device drivers

____ mechanism was created, which allowed transferring data to and from memory without the intervention of the CPU. (A) Driver Monitor Access (B) Driver Memory Access (C) Direct Monitor Access (D) Direct Memory Access

(D) Direct Memory Access

Disk Resident Commands refer to (A) Wild cards (B) Pipes (C) Internal command (D) External command

(D) External command

____ is one program running at all times on the computer. (A) Application (B) Operation (C) Utility (D) Operating system

(D) Operating system

Which of the following is not an operating system? (A) UNIX (B) MS-DOS (C) CP/M (D) PASCAL

(D) PASCAL

Which of the following Is not a part of the operating system? (A) Input/output control program (B) Job control program (C) Supervisor (D) Performance monitor

(D) Performance monitor

All the time a computer is switched ON, its operating system software has to stay in (A) DVDs (B) CDs (C) Main storage (D) Primary storage

(D) Primary storage

Two operating modes of AT are (A) Direct mode, indirect mode (B) Virtual mode, dedicated mode (C) Private mode, public mode (D) Real mode, protected mode

(D) Real mode, protected mode

The allocation of processors by process management is also known as the CPU _____ (A) Managing (B) Processing (C) Planning (D) Scheduling

(D) Scheduling

What is the standard set of functions through which application interacts with the Kernel? (A) Compilers (B) Utility programs (C) Kernel code (D) System libraries

(D) System libraries

Internal commands in DOS are (A) Del, disk, copy, label (B) Dir, ren, sys (C) Cls, rd label (D) Time, type, dir

(D) Time, type, dir

The multi-user Operating System is based on the concept of ____ (A) Time-losing (B) Time-spooling (C) Time-gaining (D) Time-sharing

(D) Time-sharing

The operating system determines the manner in which all of the following occurs except (A) Data displayed on the monitor (B) Printer output (C) User interaction with the processor (D) User creation of a document

(D) User creation of a document

Restarting a running computer is called (A) Normal boot (B) Cold boot (C) Cool boot (D) Warm boot

(D) Warm boot

UNIX operating system (A) can run on PC's and larger system (B) is multitasking (C) is multiuser (D) all of these

(D) all of these

Scheduling is (A) the same regardless of the purpose of the system (B) quite simple to implement, even on large mainframes (C) unrelated to performance considerations (D) allowing job to use the processor

(D) allowing job to use the processor

Multi programming systems (A) Are used only on large mainframe computers (B) Are easier to develop than single programming systems (C) Execute more jobs at the same time (D) Execute each faster

Ans: C Execute more jobs at the same time