ECAT Pre Computer Science English MCQ Test With Answer for English Chapter wise

Conferencing in relation to computer systems means

• Transfer of documents electronically via computers linked to each other A
• Getting looked to an international network of computers B
• Having unauthorized access to computer data C
• online meanings using computers linked to each other D

Logical security for on-line systems is achieved primarily by ________ and authorization codes

• MIS A
• Passwords B
• Tactical C
• None of the above D

McAfee is an example of:

• Virus A
• Antivirus B
• Hacker C
• Worm D

Which of the following does not provide a graphical user interface.

• OS/2 A
• MS-DOS B
• Macintosh C
• Windows NT Workstation D

Data is transmitted character by character in

• Synchronous mode A
• Asynchronous mode B
• Remote communication C
• Satellite mode D

Communication circuits that transmit data in both directions but not at the same time are operating in.

• Simplex mode A
• Half duplex mode B
• Full Duplex mode C
• None of above D

Terminal is a.

• device to give power supply to computer A
• point at which data enter or leaves the computer B
• the last instruction in a program C
• any input/output device D

• x . y A
• x + y B
• x . y C
• x . y D

A combination of both client/server and peer to peer network is ________network

• Dedicated A
• Mixed B
• Merged C
• Hybird D

An operating system is able to perform multiple processes at the same time is called:

• Plug and play A
• Multiprocessing B
• Multi programming C
• Multi-user D

The address of instruction under the processor execution is contained within

• Program Counter A
• Current Instruction Register B
• Memory Address Register C
• Memory Buffer Register D

A physical system can be modeled by a set of.

• Boolean equations A
• logic equations B
• differential equations C
• linear algebraic equations D

The transfer of data from one place to another is called

• Data processing A
• Data distribution B
• Data communication C
• Data encryption D

A computer drives its basic strength from:

• Speed A
• Memory B
• Accuracy C
• All D

In time division Multiplexing.

• Time is doubled between bits of a byte A
• Time slicing at CPU level takes place B
• Total time available in the channel is divided between users and each user is allotted a time slice C
• None of above D

A computer can be defined as an electronic device that can (choose the most precise definition)

• carry out arithmetic operation A
• carry out logical operation B
• do complicated calculation C
• accept or process data by implementing sequentially a set of stored instructions D

The reason why computers have been designed to use binary numbers is.

• computer circuits have to handle 2 binary digits rather than 10 A
• electronic components, by their very nature, operate in a binary mode B
• everything that can be done with a base of 10 can also be done in binary C
• all of the above D

What type of operating system MS-DOS is:

• Command Line Interface A
• Graphical User Interface B
• Multitasking C
• Menu Driven Interface D

TIme-sharing of resources by users is usually.

• based on time slices A
• based on input B
• event-driven C
• operated by spooling D

A bar code reader is an example of a(n).

• processing device A
• storage device B
• Input device C
• output device D

The binary number 10011101 is equal to the hexadecimal number.

• 9E A
• 9F B
• 9D C
• FF D

During E-time the ALU.

• examines the instruction A
• enters the instruction B
• executes the instruction C
• elicits the instruction D

A graph prepared by a computer.

• Is its output A
• Is the piece of information to user B
• Is a hard copy C
• All of the above D

Which of the following is associated with optics

• Winchester A
• RAM B
• CD-ROM C
• None of these D

Windows explorer is used to:

• Access the internet A
• Explore system resources B
• Perform maintenance on the harddisk C
• Navigate files and folders on the computer D

Software to persue the Internet.

• gateway A
• EFT B
• browser C
• teleconferencing D

A built-In function

• Cannot be redefined A
• Can be redefined B
• Cannot return a value C
• Should be redefined D

Which problem occurs when two workstations on shared Ethernet try to access LAN at the same time?

• Termination A
• Deadlock B
• Collision C
• Accident D

Which of the following function is used to write a string to a file?

• puts() A
• putc() B
• fputs() C
• fget() D

Which of the following is/ are file handling functions

• fprintf() A
• fscanf ( ) B
• Both A and B C
• Make () D