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This section includes 1088 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
701. |
The input unit of a computer |
A. | feeds data to the CPU or memory |
B. | retrieves data from CPU |
C. | directs all other units |
D. | All of the above |
Answer» B. retrieves data from CPU | |
702. |
The least expensive OCR units can read |
A. | hand printed numbers |
B. | machine printed numbers |
C. | marks |
D. | handwriting |
Answer» D. handwriting | |
703. |
Which of the following is a part of the Central Processing Unit? |
A. | Printer |
B. | Keyboard |
C. | ) Mouse |
D. | Arithmetic Logic Unit |
Answer» E. | |
704. |
In negative logic, the logic state 1 corresponds to |
A. | negative voltage |
B. | zero voltage |
C. | more negative voltage |
D. | lower voltage level |
Answer» E. | |
705. |
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 |
Answer» D. All of the above | |
706. |
Point out the odd item amongst the following |
A. | Computer mouse |
B. | Touchpad |
C. | Light pen |
D. | Printer |
Answer» E. | |
707. |
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 |
Answer» D. Mnemonics | |
708. |
How many bits can be stored in the 8K RAM? |
A. | 8000 |
B. | 8192 |
C. | 4000 |
D. | 4096 |
Answer» C. 4000 | |
709. |
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 |
Answer» C. update | |
710. |
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. | None of the above |
Answer» E. | |
711. |
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) |
Answer» B. Sequential access storage devices | |
712. |
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 |
Answer» D. Howard H. Aliken | |
713. |
The computer translates the condition of each switch to a number. What number is represented by the OFF state? |
A. | -7 |
B. | -3.75 |
C. | 1 |
D. | 0 |
Answer» E. | |
714. |
The terminal device often used in checking charge cards that offers both a limited keyboard input and visual output is the: |
A. | Intelligent terminal |
B. | POS terminal |
C. | Video display terminal |
D. | Audio response unit |
Answer» D. Audio response unit | |
715. |
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 |
Answer» B. EBCDII | |
716. |
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 |
Answer» C. central processing unit | |
717. |
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 |
Answer» C. Memory unit | |
718. |
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 |
Answer» E. | |
719. |
Floppy disks which are made from flexible plastic material are also called? |
A. | hard disks |
B. | high-density disks |
C. | diskettes |
D. | templates |
Answer» D. templates | |
720. |
The 0 and 1 in the binary numbering system are called binary digits or _____ |
A. | bytes |
B. | kilobytes |
C. | decimal bytes |
D. | bits |
Answer» E. | |
721. |
Which is used for manufacturing chips? |
A. | Bus |
B. | Control unit |
C. | Semiconductors |
D. | (a) and (b) only |
Answer» D. (a) and (b) only | |
722. |
What is the name of the earliest calculating machine which was based on concepts found in modern computers but was unfortunately never built? |
A. | Babbages Difference Engine |
B. | Pascals Adder |
C. | Leibnitzs Multiplier |
D. | Differential Analyser |
Answer» B. Pascals Adder | |
723. |
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 |
Answer» B. Figure | |
724. |
"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 |
Answer» C. Jack Smith | |
725. |
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 |
Answer» B. can enter input data quickly | |
726. |
Where are silicon chips manufactured in India? |
A. | Chandigarh |
B. | Punjab |
C. | Tamil Nadu |
D. | up |
Answer» B. Punjab | |
727. |
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 |
Answer» C. secondary memory | |
728. |
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 |
Answer» E. | |
729. |
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 |
Answer» B. Assembly language | |
730. |
In latest generation computers, the instructions are executed |
A. | Parallely only |
B. | Sequentially only |
C. | Both sequentially an parallely |
D. | All of the above |
Answer» D. All of the above | |
731. |
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 |
Answer» D. I/O device | |
732. |
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 |
Answer» C. natural chips | |
733. |
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. | All of the above |
Answer» E. | |
734. |
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 |
Answer» B. allows electron flow only in one direction | |
735. |
A computer program that converts an entire program into machine language at one time is called a/an |
A. | interpreter |
B. | simulator |
C. | compiler |
D. | commander |
Answer» D. commander | |
736. |
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 |
Answer» C. JOHNIAC | |
737. |
A computer has no more sense than a light |
A. | bulb |
B. | pen |
C. | switch |
D. | pad |
Answer» D. pad | |
738. |
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 |
Answer» B. Data entry clerk | |
739. |
What is the latest write-once optical storage media? |
A. | Digital paper |
B. | Magneto-optical disk |
C. | WORM disk |
D. | CD-ROM disk |
Answer» B. Magneto-optical disk | |
740. |
Ethernet uses |
A. | Bus topology |
B. | Ring topology |
C. | Star topology |
D. | Tree topology |
Answer» B. Ring topology | |
741. |
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 |
Answer» B. 9712478 bytes | |
742. |
Perforated paper used as input or output media is known as |
A. | Paper tape |
B. | Magnetic tape |
C. | Punched paper tape |
D. | Card punch |
Answer» B. Magnetic tape | |
743. |
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 |
Answer» E. | |
744. |
Which of the following is not an advantage of magnetic disk storage? |
A. | The access time of magnetic disk is much less than that of magnetic tape |
B. | Disk storage is longer lasting than magnetic tape |
C. | Disk storage is less expensive than tape storage |
D. | None of the above |
Answer» E. | |
745. |
A large number of computers in a wide geographical area can be efficiently connected using |
A. | Twisted pair lines |
B. | Coaxial cables |
C. | Communications satellites |
D. | All of the above |
Answer» D. All of the above | |
746. |
What is the name given to the specialized storage element in the processor unit of a computer which is used as a "scratch pad" during processing operations? |
A. | storage register |
B. | primary memory |
C. | cache memory |
D. | accumulator |
Answer» D. accumulator | |
747. |
Which of the following terms could be used to describe the concurrent processing of computer programs, via CRTs, on one computer system? |
A. | Time-sharing |
B. | Online processing |
C. | Interactive processing |
D. | All the above processing |
Answer» E. | |
748. |
Which of the following is not an output device of a computer? |
A. | Printer |
B. | keyboard |
C. | VDU |
D. | CRT screen |
Answer» C. VDU | |
749. |
A computer-controlled device for training exercises that duplicates the work environment is a: |
A. | simulator |
B. | duplicator |
C. | trainer |
D. | COM device |
Answer» B. duplicator | |
750. |
Group of instructions that directs a computer is called |
A. | Storage |
B. | Memory |
C. | Logic |
D. | Program |
Answer» E. | |