Here we have discussed some important questions based on the fundamental of computer. These are highly valuable question which will surely helps you to score well in computer aptitude exam.
Directions: Answer the following set of questions having five choices. You have to mark the correct option.
Ques 1. A light-sensitive device that digitizes printed texts, drawings, or photos is referred to as:
(a) Joystick
(b) Printer
(c) Scanner
(d) OCR
(e) None of these
Answer: Option (c)
Explanation:
Scanners are light-sensitive devices that digitize drawings, written text, and other visual media. A device that optically scans photos, printed text, handwriting, or an item and converts it to a digital image is called an image scanner, which is frequently shortened to just a scanner.
Ques 2. Which protocol provides an email facility among the hosts?
(a) POP
(b) SMTP
(c) IMAP
(d) MIME
(e) None of these
Answer: Option (b)
Explanation:
Email is sent and received via the TCP/IP protocol known as SMTP (Simple Mail Transfer Protocol). The two alternative protocols POP3 or IMAP, which allow users to save messages in a server mailbox and regularly download them from the server, are typically used with SMTP because of its limited capacity to queue messages at the receiving end.
Ques 3. The development of the basic architecture of the computer was done by:
(a) John Von Neumann
(b) Alan Turing
(c) Bill Gates
(d) Elon Musk
(e) None of these
Answer: Option (a)
Explanation:
In 1945, Professor J. Von Neumann, who was then employed at the Moore School of Engineering in Philadelphia, where the E.N.I.A.C. had been constructed, published a study on the logical architecture of digital computers on behalf of a number of his coworkers.
Ques 4. Excel requires an operator to indicate that a formula is being entered in a cell, such as:
(a) &
(b) !
(c) –
(d) =
(e) >
Answer: Option (d)
Explanation:
Formulas in Microsoft Excel are equations that carry out different calculations in your worksheets. Excel formulas always start with the equal sign (=).
Ques 5. In how many generations can a computer be categorized?
(a) 2
(b) 3
(c) 5
(d) 7
(e) 8
Answer: Option (c)
Explanation:
There are currently 5 generations of computers available.
The Initial Generation of computers was produced between 1946 – 1959. based on vacuum tubes.
The second generation of computers was produced between 1959 and 1965. based on transistors.
The third generation of computers was produced between 1965–1971. based on integrated circuits.
The fourth generation of computers was produced between1971 to 1980. Based on a VLSI microprocessor.
Computers in their fifth generation began to appear about 1980. Based on a ULSI microprocessor.
Ques 6. The foundation of fifth-generation computers is:
(a) Artificial Intelligence
(b) Vacuum tubes
(c) VVLSI
(d) Transistors
(e) None of the above
Answer: Option (a)
Explanation:
Although some applications, like speech recognition, are now in use, the fifth generation of artificial intelligence-based computer devices is still being developed. Superconductors and parallel processing are two technologies that are making artificial intelligence a reality.
Ques 7. On which technology was the first generation of computers built?
(a) Artificial Intelligence
(b) IC
(c) VVLSI
(d) Vacuum Tube
(e) None of the above
Answer: Option (d)
Explanation:
The earliest computers, which frequently occupied entire rooms, relied on magnetic drums for memory and vacuum tubes for circuitry. They were very expensive to run, consumed a lot of electricity, and produced a lot of heat, which was frequently the root of failures. First-generation computing systems include the UNIVAC and ENIAC computers.
Ques 8. Which computer generation saw the introduction of the microprocessor?
(a) First Generation
(b) Fourth Generation
(c) Second Generation
(d) Third Generation
(e) None of these
Answer: Option (b)
Explanation:
Due to the microprocessor’s ability to fit thousands of integrated circuits onto a single silicon chip, computers entered their fourth generation. What took up a whole room in the first generation might now fit in the palm of your hand. All of the components of the computer, including the Central Processing Unit (CPU), memory, and input/output controllers, were housed on a single chip thanks to the Intel 4004 microprocessor, which was created in 1971.
Ques 9. Computers of the second generation consisted of:
(a) Artificial Intelligence
(b) Transistors
(c) VVLSI
(d) IC
(e) None of these
Answer: Option (b)
Explanation:
The second generation of computers was introduced by transistors, which took the place of vacuum tubes. Although the transistor was created in 1947, it wasn’t until the late 1950s that it started to be widely used in computers.
Ques 10. Any information or instruction put into a computer’s memory is regarded as:
(a) Information
(b) Output
(c) Input
(d) All of the Above
(e) None of these
Answer: Option (c)
Explanation:
Read-only memory (ROM) is a type of non-volatile memory that includes flash memory, ferroelectric memory, and the majority of magnetic computer storage systems. This is so that you can’t change it or erase it when the computer is off. On the ROM chip, computer manufacturers write codes that users cannot change or interact with.
Ques 11. The period of time that a computer spends processing a job is:
(a) Execution Time
(b) Real Time
(c) Delay Time
(d) Waiting Time
(e) None of these
Answer: Option (a)
Explanation:
The time that the system spends carrying out a job, including the time spent carrying out run-time or system services on its behalf, is referred to as the execution time or CPU time of that task.
Ques 12. Which of the following circuits is utilised in computers as a memory device?
(a) Rectifier
(b) Flip Flop
(c) Comparator
(d) Attenuator
(e) None of these
Answer: Option (b)
Explanation:
A flip-flop or latch is a circuit with two stable states that can be utilised as a memory device to store state data.
Ques 13. Mainframe and high-tech computers’ memory sizes are stated as:
(a) Bits
(b) Kilobytes
(c) Gigabytes
(d) Megabytes
(e) None of these
Answer: Option (d)
Explanation:
The megabyte is a multiple of the digital informational unit byte. The suggested unit symbol for it is MB. In the International System of Units, the unit prefix mega is multiplied by 1000000 (106) to determine the unit (SI).
Ques 14. Which of the following is not a software package for an application?
(a) Red Hat Linux
(b) Adobe Pagemaker
(c) Open office
(d) All of the above
(e) None of these
Answer: Option (a)
Explanation:
Red cap Linux is not a collection of application software. A Linux-based operating system developed by Red Hat specifically for enterprises is called Red Hat Enterprise Linux (RHEL). RHEL is compatible with desktops, servers, hypervisors, and the cloud.
Ques.15. Which of the subsequent claims is false?
(a) Adobe Photoshop is a program for graphic design.
(b) Linux is a free, open-source operating system.
(c) Microsoft owns and sells Linux.
(d) One such operating system is Windows XP.
(E) None of the above
Answer: Option (c)
Explanation:
One of the most well-known instances of open-source, free software is Linux. Anyone may use, modify, and distribute the source code for commercial or noncommercial purposes in accordance with the rules of the relevant licenses, such as the GNU General Public License (GPL).
Ques 16. Another name for an error is:
(a) Bug
(b) Cursor
(c) Debug
(d) Failure
(e) None of these
Answer: Option (a)
Explanation:
Computer malfunctioning indicates a bug in the system. We debug to remove the malware from the system. It causes the complete or partial failure of the system and it creates mistakes while doing important tasks. Therefore debugging must be done if we receive any bug in the system.
Ques 17. Microsoft Word is an illustration of:
(a) Output device
(b) System software
(c) Application software
(d) All of the above
(e) None of these
Answer: Option (c)
Explanation:
Users can type using the graphical word processing tool known as Microsoft Word, MS-WORD, or just Word. Microsoft, a manufacturer of computers, created it. The users can type and save documents with it. It includes useful capabilities to create documents, just like other word processors.
Ques 18. Who was the supercomputer’s inventor?
(a) Charles Babbage
(b) Alan Turing
(c) John V Neumann’s
(d) Seymour Cray
(e) None of these
Answer: Option (d)
Explanation:
Supercomputers first appeared in the 1960s, and Seymour Cray’s Control Data Corporation produced the fastest ones for a number of years (CDC)
When compared to a general-purpose computer, a supercomputer performs at a high level. Instead of million instructions per second, a supercomputer’s performance is measured in floating-point operations per second (FLOPS) (MIPS).
Ques 19. Graphical representations of objects like files, folders, etc. include:
(a) Taskbar
(b) Windows
(c) Icons
(d) Desktop
(e) None of these
Answer: Option (c)
Explanation:
Icons are graphical images that symbolize objects like files, folders, etc. An icon in computing is a pictogram or ideogram that is displayed on a computer screen to aid users in navigating a computer system. The icon itself is more like a traffic sign than a detailed representation of the actual object it represents. It is a readily understandable indicator of a software tool, function, or data file that is available on the system.
Ques 20. Which of the following does magnetic disc storage not provide as a benefit?
(a) Compared to magnetic tape, magnetic disc has a substantially faster access time.
(b) Tape storage costs more than disc storage.
(c) Magnetic tape is less durable than disc storage.
(d) All of the above
(e) None of the above
Answer: Option (e)
Explanation:
All the given provide the benefit of magnetic disc storage. Therefore in terms of cost access time and durability magnetic storage is the best.
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