Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
2451
In banking, MICR technology is used for:
Answer:
Processing cheques quickly and accurately
** Magnetic Ink Character Recognition (MICR) is a character-recognition technology used mainly by the banking industry to ease the processing and clearance of cheques. The MICR code is printed at the bottom of cheques.
2452
The process of starting or restarting a computer is called:
Answer:
Loading
** Booting is the process that starts the operating system when the computer is turned on. It involves loading the basic startup instructions from ROM and then loading the operating system from the hard drive into RAM.
2453
**What kind of computer is typically used by a small business to manage its database and applications for multiple users?**
Answer:
A server (often a powerful microcomputer or a minicomputer)
** A server is a computer that serves information to other computers. Small businesses often use servers to host websites, manage emails, and run shared applications for their employees.
2454
What type of signal does an analog computer process?
Answer:
None of the above
Analog computers work with data that is in continuous form. They process signals that vary continuously over time, such as voltage, pressure, or temperature. Therefore, they process continuous electrical signals, which is not listed as an option.
2455
A computer system used by a bank to manage its customer accounts is most likely a:
Answer:
Mainframe computer
** The banking industry relies heavily on mainframe computers for their ability to securely and reliably process a high volume of transactions and maintain large databases of customer information.
2456
**In daily life, computers are used for navigation purposes through which application?**
Answer:
GPS (Global Positioning System)
** GPS technology, integrated with computers and mobile devices, provides real-time location and navigation assistance. It is a common application of computers that helps people in their daily commute and travel.
2457
What type of computers are most prevalent in the world currently?
Answer:
Digital
The vast majority of computers in use today, from smartphones to supercomputers, are digital. They process information by representing it as discrete binary digits (0s and 1s). This approach allows for high accuracy, vast storage capabilities, and the flexibility to run a wide variety of software.
2458
**In the context of exams, what is computer-based testing (CBT)?**
Answer:
A method of administering tests in which the responses are electronically recorded and assessed
** CBT involves candidates taking an exam on a computer. This format allows for different question types, automated scoring, and can provide immediate feedback.
2459
Which of the following is based on analog computer technology?
Answer:
A mercury thermometer
** A mercury thermometer measures temperature by the continuous expansion and contraction of mercury in a glass tube. The height of the mercury column is analogous to the temperature.
2460
In banking, the use of computers to maintain a centralized record of all customer transactions is a part of:
Answer:
Core Banking System (CBS)
** A CBS is a back-end system that processes banking transactions across various branches of a bank. It allows customers to access their accounts and perform transactions from any branch.