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Computer Awareness Practice Set 48

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Computer Awareness Practice Set 48

shape Introduction

Computer Awareness Practice Set 47 presents multiple choice Q & A for basics of computers and applications. Computer Awareness Practice Set 48 article, is exceedingly important for candidates preparing for RRB ALP/Technical Exams/Junior Engineer Recruitment, SSC CGL, UPSC (Civil services exam including IAS) Exams and etc.

shape Quiz

1. The first mechanical calculating machine was made by
    A. William Oughtred B. Gottfried Leibnitz C. Blaise Pascal D. Charles Babbage

Answer: Option C
2. Which programming language is much in vogue among users of microcomputers
    A. ALGOL B. APL C. LOGO D. FORTH

Answer: Option D
3. Which of the following registers is used to keep track of the 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

Answer: Option D
4. Which is not a factor when categorizing a computer?
    A. Speed of the output device B. Amount of main memory the CPU can use C. Cost of the system D. Where it was purchased

Answer: Option D
5. Which of the following program is not a utility?
    A. Debugger B. Editor C. Spooler D. All of the above

Answer: Option C
1. Computer can not do anything without a
    A. Chip B. Memory C. Output device D. Program

Answer: Option D
2. The ability of a computer system to remain operational despite various failures is
    A. Relation B. Schema C. Resilience D. Versatility

Answer: Option C
3. Which of the following memories must be refreshed many times per second?
    A. Static RAM B. Dynamic RAM C. EPROM D. ROM

Answer: Option B
4. The third generation of computers covers the period:
    A. 1971-1982 B. 1982-1994 C. 1959-1964 D. 1965-1971

Answer: Option D
5. An electronic logic gate whose output is logic 0 only when all inputs are logic 1 is
    A. NOR B. NAND C. OR D. NOT

Answer: Option B
1. The purpose of an application program is to
    A. Convert program written in high level language to machine language B. Meet specific user needs C. Allow the operating system to control resources better D. Make off-line equpment run better

Answer: Option B
2. Which of the following translate back from machine code something resembling the source language
    A. Interpreter B. Compiler C. Assembler D. Decompiler

Answer: Option D
3. Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?
    A. Napier B. Babbage C. Pascal D. Leibnitz

Answer: Option D
4. Serial access memories are useful in applications where
    A. data consists of numbers B. short access time is required C. each stored word is processed differently D. data naturally needs to flow in and out in the serial form

Answer: Option D
5. The light pen was developed in
    A. 1942 B. 1976 C. 1950 D. 1992

Answer: Option C

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