A. Processor
B. RAM
C. Mother board
D. Hard Disk
✅ The correct answer is option A.
Basics of Computer Science MCQs
Strengthen your fundamental knowledge with our Basics of Computer Science MCQs with answers and explanations. Our collection covers key topics such as computer fundamentals, hardware and software, operating systems, networking basics, databases, programming concepts, and internet technologies. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and IT job assessments. Practice online to improve your understanding, enhance problem-solving skills, and excel in exams with our updated Basics of Computer Science MCQs
392. The operating system is the most common type of ______ software.
A. Communication
B. System
C. Word processing
D. None of these
✅ The correct answer is option B.
393. A disadvantage of the laser printer is:
A. It is quieter than an impact printer.
B. It is very slow
C. The output is of a lower quality
D. All of the above
✅ The correct answer is option E.
394. Malicious software is known as:
A. Badware
B. Malware
C. Maliciousware
D. Illegalware
✅ The correct answer is option B.
395. What type of memory is not directly addressable by the CPU and requires special software called EMS (expanded memory specification)?
A. Extended
B. Expanded
C. Base
D. Conventional
✅ The correct answer is option B.
396. When sending an e-mail, the _____ line describes the contents of the message.
A. To
B. Subject
C. Contents
D. CC
✅ The correct answer is option B.
397. The computer code for the interchange of information between terminals is
A. ASCII
B. BCD
C. EBCDIC
D. All of the above
✅ The correct answer is option A.
398. The memory sizes in mainframe computers and advanced technology micro computer are expressed as
A. Bytes
B. Kilobytes
C. Bits
D. Megabytes
✅ The correct answer is option D.
399. If you want to secure a message, use a(n):
A. Cryptology source
B. Encryption key
C. Encryption software package
D. Cryptosystem
✅ The correct answer is option D.
400. Which of the following is not an manufacturer of Hard Disk drives?
A. Samsung
B. Intel
C. Seagate
D. Western Digital
✅ The correct answer is option B.