PPSC Computer Science Full Book test With Answers

PPSC Computer Science Full Book test

Sr. # Questions Answers Choice
1 CD-ROM Is a semiconductor memory Memory register Magnetic memory none of the abvoe
2 A compute programmer Does all the thinking for a computer Can enter input data quickly Can operate all types of computer equipment Can draw only flowchart
3 Computer operator Writes computer program for specific problems Operate the device which input and output data from the computer. Normally require a college degree in computer science All of the above
4 Computer instructions Witten with the use of English words instead of binary machine code is called. Mnemonics Symbolic code Gray codes Opcode
5 Which computer memory is used for string programs and data currently being processed by the CPU. PROM Mass memory Internal memory Non volatile memory
6 Which one of the following input device is user programmable. Dumb terminal Smart terminal VDT Intelligent terminal
7 Where as a computer moues moves over the table surface the trackball is. Stationary Difficult to move Dragged Moved in small stems
8 Which types of computers uses the 8-bit code called EBCDIC. Mini computers Micro computers Main frame computer Super computer
9 Can you tell what passes into and out from the computer via its ports. Data Bytes Graphics Pictures
10 Which part of the computer is used for calculating and comaring. <sub>Disk unit</sub> ALU Control unit Modem
11 What are the three decisions making operations performed by the ALU of a computer. Grater than Less than Eual to All of the above
12 What are the three decisions making operations performed by the ALU of the computer. Grater then Less than Eual to All of the above
13 Multi user system provided cost saving for small business because they use a single processing unit to link several Personal computers Workstations Dumb terminals Main frames
14 The word length of a computer is measured in. Bytes Bits Millimeters Meters
15 What was the nick name of the computer used by the Americans in 1952 for their H-bomb project. ENIAC EDSAC MANIAC UNIVAC
16 Symbolic logic was discovered by George Boole Herman Hollerith Van Neumannd All of above
17 A high quality CAD system uses the following for printing drawing and graphics Dot matrix printer Digital Plotter Line printer All of the above
18 A typical personal computer used for business purposes would have of RAM. 4 KB 16 KB 256 KB 64 KB
19 A hard copy would be prepared on a Line printer Dot matrix printer Typewriter terminal All of the above
20 What is required when more than one person uses a central computer at the same time. Light pen Mouse Terminal Digitizer
21 Which company is the biggest player in the microprocessor industry. Motorola IBM Intel AMD
22 The original ASCII code used bits of each byte reserving that last bit for error checking. 5 6 7 8
23 What type of device of computer keyboard. Memory Output Storage Input
24 Before a sdisk cna be used to store data it must be. Formatted Reformatted Addressed None
25 What type of memory is not directly addressable by the CPU and requires special software called EMS specification. Extended Expanded Base Conventional
26 Which is the type of memory for information that does not change on our computer. RAM ROM EROM RAM
27 The Width of a processors data path is measured in bits which of the following are common data paths. 8 bits 12 bits 16 bits 32 bits
28 Which of the following items are examples of storage devices. Floppy disk CD-ROMs Tape devices All of the above
29 On a PC how much memory is available to application software. 1024 KB 640 KB 560 KB 760 KB
30 Which of the following are considered to be video component. Resolution Color depth Refresh rate All above
Download This Set

Is this page helpful?