PPSC Computer Science Full Book test With Answers

PPSC Computer Science Full Book test

Sr. # Questions Answers Choice
1 Most of the inexpensive personal computers do not have only disk or diskette drive. What is the name of such computes. Home computers Diskless computers Dedicated computer General purpose computers
2 Who is credited with the idea of using punch cards to control patterns in a waving machine. Pascal Jauard Hollerith Babbage
3 The digital computer was developed primarily in USSR JAPAN USA UK
4 The first electronic general purpose digital computer built by Mauchly and Eckert called ENIA did not work on the stored program principle How many numbers could it store in its internal memory. 100 20 40 80
5 Today's computer gain IBM was earlier known by different name which was changes in 1924. What was that name. Tabulator Machine co Computer Tabulating Recording Co The tabulator Ltd. International Computer Ltd.
6 When did IBM introduce the 20286 based PC/AT. 1982 1984 1985 1989
7 Which American computer company is called big blue. Microsoft Compa crop IBM Tandy Syenson
8 How many address lines are needed to address each machine location in a 2048 x 4 memory chip. 10 11 8 12
9 Microprocessor can be used to make Computers Digital system Calculators All above
10 Which of the following registers is used to keep track of address of the memory location where the next instruction is located. Memory address register Memory data register Program counter Instruction register
11 Which of the following registers is loaded with the contents of the memory location pointed by the PC. Memory address registers Memory data registers Instruction register Program counter
12 Offline device A device which is not connected to CPU A device which is connected CPU A direct access storage device An I/O device
13 Which was the computer conceived by Babbage. Analytical engine Arithmetic Machine Donald Kunth All of above
14 The most commonly used standard data code to represent alphabetical numerical and punctuation characters used in electronic data processing system is called. ASCII EBCDIC BCD All of above
15 The first Electronic computer in the world was UNIVAC EDVAC ENIAC All of above
16 The octal equivalent of 111010 is 81 72 71 None
17 Which of the following is a secondary memory device. Key board Disk ALU All of above
18 A name of number used to identify a storage location devieces. A byte A record An address All of above
19 Which of the following is not a primary storage device. Magnetic tape Magnetic disk Optical disk None of above
20 CD-ROM is a Semiconductor memory Memory register Magnetic memory None of above
21 A computer programmer Does all the thinking for a computer Can enter input data uickly Call operate all types of computer equipment's Can draw only flowchart
22 High level language is also called Problem oriented language. Business oriented language Mathematically oriented language All of the above
23 Which is the limitation of high level language. Lower efficiency Machine dependence Machine level coding None of above
24 Which statement is valid about interpreter. It translates one instruction at a time Object code is saved for future use Repealed interprelation is not necessary All of above
25 Which of the following is machine independence program. High level language Low level language Assembly language Machine language
26 A compiler is a translating program which Translates instruction of a high level language into machine language Translates entire source program into machine language program It is not involved in program's execution All of above
27 Which of the following is problem oriented language. High level language Machine language Assembly language Low level language
28 Which of the following is called low level languages. Machine language Assembly language Both of the above None of these
29 Easily relocatable language is. Machine language Assembly language High level language Medium level language
30 In translator program used in assembly language is called. Compiler Interpreter Assembler Transistor
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