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

The benefits of using computers are

• Speed A
• Reliable B
• Storage C
• All D

The binary number 10011101 is equal to the hexadecimal number.

• 9E A
• 9F B
• 9D C
• FF D

The technique in shared systems that avoid interspersed printout from several programs is

• paging A
• queuing B
• slicing C
• spooling D

How virus reaches from one computer to another:

• Data is exchanged between computers A
• Exchange of display screen B
• Exchange of keyboard C
• Exchange of printer D

An analog computer can be worked directly with.

• magnetic tapes A
• punched card B
• magnetic disk C
• none of the above D

CPU is an example of:

• Software A
• Input unit B
• Hardware C
• Output unit D

A device that connects multiple nodes to the network is.

• A modem A
• A repeater B
• A router C
• A hub D

Flies not being used by computer are stored in

• Secondary storage A
• Cache memory B
• Primary storage C
• Registers 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 device used for optical character recognition is

• wand reader A
• light pen B
• mouse C
• micr reader D

A lab with twenty computers and a laser printer is an example of _________ area network

• Little A
• Line B
• Local C
• Limited D

Who is pioneer in the field of computer language who played an important role in the development of COBOL.

• Grace M.Hopper A
• How H.Aiken B
• John von Neumann C
• Thomas J.Watson D

During E-time the ALU..

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

During E time the ALU

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

Is Secondary storage device

• CD-ROM A
• ROM B
• Cache C
• RAM D

A computer drives its basic strength from

• speed A
• accuracy B
• memory C
• all of above D

Which of the following is popular full-featured word processor?

• Copy text A
• Insert text B
• Find and replace text C
• All D

The loop is a good choice when you how many times you want the loop to iterate in advance of entering the loop:

• While A
• Do while B
• For C
• Nested D

• 0 A
• 1 B
• x C
• 
  D

If A and B are two 1-bit numbers, what logic gates will be required to test for A=B?

• NOR gate A
• EXCLUSIVE OR gate B
• EXCLUSIVE NOT gate C
• OR gate D

DARPA stands for

• Defensive Association of Russian Policy with America A
• Dared Association of Republic Partition B
• Defense Advanced Research Projects Agency C
• Defensive Advanced Regional Political Agency D

The binary number 101000101011 is equal to the hexadecimal number

• A2D A
• C2D B
• A2B C
• B2C D

In which loop the condition comes before the body of the loop?

• While loop A
• Do-while loop B
• For loop C
• B and c D

A disk pack within a selected data module is a

• backup unit A
• Winchester B
• diskette C
• Cd-Rom D

The actual working area in Microsoft Excel is

• Workbook A
• Worksheet B
• Spreadsheet C
• Note sheet 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

_________ represents a label

• Mubeen Ahmed A
• 736 B
• =A1 + 82 C
• None D

Which of the following is a computer virus?

• Chernobvl A
• Logic bomb B
• Redlof C
• All D

Which of the following is not a component of telecommunications?

• sender A
• office device B
• medium C
• receiver D

The shortest period of time is a.

• milisecond A
• nanosecond B
• picosecond C
• microsecond D