Explore topic-wise MCQs in Engineering.

This section includes 4320 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

2501.

In magnetic disks, data is organized on the platter in a concentric sets of rings called

A. sector
B. track
C. head
D. block
E. None of the above
Answer» C. head
2502.

The data recording area between the blank gaps on magnetic tape is called a/ an:

A. Record
B. Block
C. Field
D. Database
E. None of the above
Answer» C. Field
2503.

Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?

A. Daughterboard
B. Motherboard
C. Fatherboard
D. Breadboard
E. None of the above
Answer» C. Fatherboard
2504.

Which of the following professions has not been affected by personal computers?

A. medical
B. clerical
C. accounting
D. law
E. None of the above
Answer» F.
2505.

Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?

A. Conductors
B. Buses
C. Connectors
D. Connectively
E. None of the above
Answer» C. Connectors
2506.

The terminal device that functions as a cash register, computer terminal, and OCR reader is the:

A. Data collection terminal
B. OCR register terminal
C. Video display terminal
D. POS terminal
E. None of the above
Answer» E. None of the above
2507.

Which of the following is not one of the three primary functions that on-line direct-access systems can serve?

A. inquiry
B. backup
C. update
D. programming
E. None of the above
Answer» C. update
2508.

How many bits can be stored in the 8K RAM?

A. 8000
B. 8192
C. 4000
D. 4096
E. None of the above
Answer» C. 4000
2509.

A code which uses more bits for each character then what is necessary is known as

A. Hollerith code
B. Gray code
C. Redundant code
D. Mnemonics
E. None of the above
Answer» D. Mnemonics
2510.

Point out the odd item amongst the following

A. Computer mouse
B. Touchpad
C. Light pen
D. Printer
E. None of the above
Answer» E. None of the above
2511.

Who built the world's first electronic calculator using telephone relays, light bulbs and batteries?

A. Claude Shannon
B. Konard Zuse
C. George Stibits
D. Howard H. Aliken
E. None of the above
Answer» D. Howard H. Aliken
2512.

Which of the following tasks is not suited for sequential processing by a computer?

A. Preparing of mailing labels
B. Processing payroll cheques
C. Accounting for credit card purchases
D. Inventory control
E. None of the above
Answer» E. None of the above
2513.

Hard disks and diskettes are:

A. Direct access storage devices
B. Sequential access storage devices
C. Rarely used with microcomputers
D. Both (a) and (c)
E. None of the above
Answer» B. Sequential access storage devices
2514.

In digital data transmission

A. Baud rate in equal to bit rate
B. Baud rate is always smaller than the bit rate
C. Baud rate is always higher than the bit rate
D. All of the above
E. None of the above
Answer» F.
2515.

Floppy disks which are made from flexible plastic material are also called?

A. hard disks
B. high-density disks
C. diskettes
D. templates
E. None of the above
Answer» D. templates
2516.

Which of the following is responsible for coordinating various operations using timing signals?

A. Arithmetic-logic Unit
B. Control unit
C. Memory unit
D. Input/Output unit
E. None of the above
Answer» C. Memory unit
2517.

All calculations are performed and all comparisons are made in _____ unit.

A. control unit
B. aritmetic-logic unit
C. central processing unit
D. primary storage unit
E. None of the above
Answer» C. central processing unit
2518.

The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called

A. ASCII
B. EBCDII
C. BCD
D. All of the above
E. None of the above
Answer» B. EBCDII
2519.

A menu-driven operating system is one which allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image oriented menus?

A. Icon
B. Figure
C. Symbol
D. option
E. None of the above
Answer» B. Figure
2520.

What is the name of the earliest calculating machine which was based on concepts found in modern computers but was unfortunately never built?

A. Babbage's Difference Engine
B. Pascal's Adder
C. Leibnitz's Multiplier
D. Differential Analyser
E. None of the above
Answer» B. Pascal's Adder
2521.

The first machine to successfully perform a long series of arithmetic and logical operations was:

A. ENIAC
B. Mark I
C. Analytic engine
D. UNIVAC-I
E. None of the above
Answer» C. Analytic engine
2522.

Which is used for manufacturing chips?

A. Bus
B. Control unit
C. Semiconductors
D. (a) and (b) only
E. None of the above
Answer» D. (a) and (b) only
2523.

The 0 and 1 in the binary numbering system are called binary digits or _____

A. bytes
B. kilobytes
C. decimal bytes
D. bits
E. nibbles
Answer» E. nibbles
2524.

A small square or rectangular piece of silica on which several layers of an integrated circuit are etched or imprinted is called

A. VLSI
B. micro
C. wafer
D. chip
E. None of the above
Answer» E. None of the above
2525.

The processing capability of a microcomputer can be enhanced with the help of

A. addition processor
B. expansion cards
C. secondary memory
D. buffer memory
E. None of the above
Answer» C. secondary memory
2526.

Where are silicon chips manufactured in India?

A. Chandigarh
B. Punjab
C. UP.
D. Tamil Nadu
E. None of the above
Answer» B. Punjab
2527.

A computer programmer

A. does all the thinking for a computer
B. can enter input data quickly
C. can operate all types of computer equipment
D. can draw only flowchart
E. None of the above
Answer» B. can enter input data quickly
2528.

"The three most important inventions of this century are the nuclear bomb, the high yield hybrid speed, and the computer". Can you name the person who made this statement?

A. Harry R Jordan
B. Buckminster Fuller
C. Jack Smith
D. Jan Timmer
E. None of the above
Answer» C. Jack Smith
2529.

The data processing job expected to further decrease in the 1996s is that of:

A. Keypuncher
B. Data entry clerk
C. Computer operator
D. Programmer
E. None of the above
Answer» B. Data entry clerk
2530.

A computer has no more sense than a light

A. bulb
B. pen
C. switch
D. pad
E. None of the above
Answer» D. pad
2531.

The first large scale electronic computer which became operational in 1946 and contained approximately 18000 vacuum tubes and could perform 300 multiplications per second was known as

A. ILLIAC
B. ENIAC
C. JOHNIAC
D. EDSAC
E. None of the above
Answer» C. JOHNIAC
2532.

A logic gate is an electronic circuit which

A. makes logic decisions
B. allows electron flow only in one direction
C. works on binary algebra
D. alternates between 0 and 1 values
E. None of the above
Answer» B. allows electron flow only in one direction
2533.

An advantage of blocking a tape is that

A. additional processing time is consumed
B. the direct file method can be emulated
C. tapes contain less data and longer tapes
D. less tape is used to store the same amount of data
E. None of the above
Answer» E. None of the above
2534.

Perforated paper used as input or output media is known as

A. Paper tape
B. Magnetic tape
C. Punched paper tape
D. Card punch
E. None of the above
Answer» B. Magnetic tape
2535.

What is the byte capacity of a drum which is 5 inch high, 10 inch diameter, and which has 60 tracks per inch and bit density of 800 bits per inch?

A. 942000 bytes
B. 9712478 bytes
C. 192300 bytes
D. 14384 bytes
E. None of the above
Answer» B. 9712478 bytes
2536.

Ethernet uses

A. Bus topology
B. Ring topology
C. Star topology
D. Tree topology
E. None of the above
Answer» B. Ring topology
2537.

What is the latest write-once optical storage media?

A. Digital paper
B. Magneto-optical disk
C. WORM disk
D. CD-ROM disk
E. None of the above
Answer» B. Magneto-optical disk
2538.

Identity the advantages that Micro Channel Architecture offers over ISA.

A. Automatic System Configuration
B. Less Interference
C. Multiple device handling (the system allows expansion boards to take complete of the bus for certain operations)
D. Greater data transfer rates
E. All of the above
Answer» F.
2539.

Computer scientists are exploring the possibility of culturing bacteria to create living chips which have digital electronic properties. What are these chips called?

A. bacterial chips
B. biochips
C. natural chips
D. neural chips
E. None of the above
Answer» C. natural chips
2540.

What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another?

A. Cache
B. Concentrator
C. Buffer
D. I/O device
E. None of the above
Answer» D. I/O device
2541.

In latest generation computers, the instructions are executed

A. Parallely only
B. Sequentially only
C. Both sequentially an parallely
D. All of the above
E. None of the above
Answer» D. All of the above
2542.

Program execution time would be minimum if the programs are written in

A. Machine Language
B. Assembly language
C. High level language
D. All of the above
E. None of the above
Answer» B. Assembly language
2543.

Access time in a computer memory is the time required to

A. Locate the stored data
B. Retrieve the stored data
C. Both locate and retrieve the data
D. All of the above
E. None of the above
Answer» D. All of the above
2544.

The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is

A. 2400-4700
B. 390-600
C. 150-250
D. 300-600
E. None of the above
Answer» D. 300-600
2545.

Which of the following typically uses a keyboard for input?

A. desktop terminal
B. point-of-sale terminal
C. financial transaction terminal
D. executive workstation
E. All of the above
Answer» F.
2546.

A 'number crunching' computer is one that can handle

A. large spreadsheets
B. large alphanumeric data
C. large volume of numbers
D. only numbers
E. None of the above
Answer» D. only numbers
2547.

The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?

A. Laser scanner
B. Wand
C. OCR
D. MICR
E. None of the above
Answer» B. Wand
2548.

A processing unit that coordinates networks and data communication is known as

A. Control unit
B. Communications processor
C. Register unit
D. CPU
E. None of the above
Answer» C. Register unit
2549.

A type of line printer that uses an embossed steel band to form the letters printed on the paper is

A. Golf ball printer
B. Dot-matrix printer
C. Laser printer
D. Band printer
E. None of the above
Answer» E. None of the above
2550.

Which memory system is not as a mass memory medium?

A. semiconductor memory
B. magnetic tape
C. magnetic disk
D. magnetic drum
E. None of the above
Answer» B. magnetic tape