Computer Fundamentals MCQs
| 1) Processors of all computers, whether micro, mini or mainframe must have … A. ALU B. Primary storage C. Control Unit D. All of the above 2) The hardware in which data may be stored for a computer system is called … A. Register B. Bus C. Control Unit D. Memory 3) 1 bytes is equal to ….. A. 4 bits B. 10 bits C. 8 bits D. None of the above 4) The term ‗memory‘ applies to which one of the following … A. Logic B. Storage C. Control D. Input device 5) The first electronic digital computer contained .. A. Electronic valves B. Vacuum tubes C. Transistors D. Semiconductor memory 6) The metal disks, which are permanently housed in, sealed and contamination free containers are called …. A. Hard disk B. Floppy disk C. Winchester disk D. Flexible disk 7) Which can read data and convert them to a form that a computer can use? A. Logic B. Storage C. Control D. Input device 8) Which of the following registers is loaded with the contents of the memory location pointed by the PC? A. Memory Address Register B. Memory Data Register C. Instruction Register D. Program Counter 9) 4 bits are equal to …. A. Nibble B. Data C. Bit D. Bytes 10) Which is not true of primary storage? A. Information must be transferred to primary storage B. It allows very fast access to data C. It is the part of the CPU D. All of the above 11) The unit of a computer system that executes program communicates with and often controls the operation of other subsystems of the computer is known as A. CPU B. control unit C. I/O unit D. peripheral unit 12) Which of the following registers is used to keep track of address of the memory location where the next instruction is located? A. Memory address register B. Memory data register C. Instruction register D. Program counter 13) Primary storage is …….. as compared to secondary storage. A. slow and inexpensive B. fast and inexpensive C. fast and expensive D. slow and expensive 14) A memory bus is mainly used for communication between A. Processor and memory B. Processor and I/O memory C. Input device and output device D. None of the above 15) What is the name of the reading device which makes use of photo sensors and laser technologies to interpret printed, typed or even hand written data directly from the source document? A. MICR B. OCR C. Mark sensing device D. ATM 16) Which is widely use in academic testing? A. MICR B. POS C. OCR D. OMR 17) The OCR stands for A. Out-sized character reader B. Optical character recognition C. Operational character reader D. Only character reader 18) Hard disks and diskette are … A. Direct access devices B. Sequential access devices C. Rarely used with micro computers D. Both A and B 19) Magnetic tape can serve as A. Input media B. Output media C. Secondary media D. All of the above 20) RAM is used as short memory because it A. is volatile B. is very expensive C. has small capacity D. is programmable |
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