221. A characteristic of card systems is:
A. slowness in processing data
B. using cards as records of transactions
C. needing a larger DP staff
D. all the above
✅ The correct answer is option D.
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
222. A kilobyte also referred to as KB, is equal to:
A. 1000 bytes
B. 1024 bytes
C. 2048 bytes
D. 512 bytes
✅ The correct answer is option B.
223. The device that can both feed data into and accept data from a computer is
A. ALU
B. CPU
C. Input-Output device
D. All of the above
✅ The correct answer is option C.
224. An internal storage consisting of arrays of small rings of magnetic material called ferrite is
A. Magnetic tape
B. Magnetic core
C. Magnetic disk
D. Optical mark reader
✅ The correct answer is option B.
225. The microprocessor of a computer cannot operate on any information if that information is not in its.
A. secondary storage
B. main storage
C. ALU
D. logic unit
✅ The correct answer is option B.
226. Which language is used in the areas of pattern recognition, artificial intelligence & for simulation of games.
A. APL
B. FORTH
C. LISP
D. CORAL
✅ The correct answer is option C.
227. Which of the following is not true of a magnetic disk?
A. It is expensive relative to magnetic tape
B. It provides only sequential access to stored data
C. Users can easily update records by writing over the old data
D. It does not provide an automatic audit trail
✅ The correct answer is option B.
228. Which of the following refers to the memory in your computer?
A. RAM
B. DSL
C. USB
D. LAN
✅ The correct answer is option A.
229. Which functional component of a computer is responsible for the computing?
A. Input
B. Output
C. CPU
D. Memory
✅ The correct answer is option C.
230. ASCII stands for
A. American standard code for information interchange
B. All purpose scientific code for information interchange
C. American security code for information interchange
D. American Scientific code for information interchange
✅ The correct answer is option A.