PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test With Answers

PPSC Computer Science Chapter 1 Basic Computer Knowledge Online Test

Sr. # Questions Answers Choice
1 Where as a computer moues moves over the table surface the trackball is. Stationary Difficult to move Dragged Moved in small stems
2 Which types of computers uses the 8-bit code called EBCDIC. Mini computers Micro computers Main frame computer Super computer
3 Can you tell what passes into and out from the computer via its ports. Data Bytes Graphics Pictures
4 Which part of the computer is used for calculating and comaring. <sub>Disk unit</sub> ALU Control unit Modem
5 What are the three decisions making operations performed by the ALU of a computer. Grater than Less than Eual to All of the above
6 What are the three decisions making operations performed by the ALU of the computer. Grater then Less than Eual to All of the above
7 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
8 The word length of a computer is measured in. Bytes Bits Millimeters Meters
9 What was the nick name of the computer used by the Americans in 1952 for their H-bomb project. ENIAC EDSAC MANIAC UNIVAC
10 Symbolic logic was discovered by George Boole Herman Hollerith Van Neumannd All of above
11 A high quality CAD system uses the following for printing drawing and graphics Dot matrix printer Digital Plotter Line printer All of the above
12 A typical personal computer used for business purposes would have of RAM. 4 KB 16 KB 256 KB 64 KB
13 A hard copy would be prepared on a Line printer Dot matrix printer Typewriter terminal All of the above
14 What is required when more than one person uses a central computer at the same time. Light pen Mouse Terminal Digitizer
15 Which company is the biggest player in the microprocessor industry. Motorola IBM Intel AMD
16 The original ASCII code used bits of each byte reserving that last bit for error checking. 5 6 7 8
17 What type of device of computer keyboard. Memory Output Storage Input
18 Before a sdisk cna be used to store data it must be. Formatted Reformatted Addressed None
19 What type of memory is not directly addressable by the CPU and requires special software called EMS specification. Extended Expanded Base Conventional
20 Which is the type of memory for information that does not change on our computer. RAM ROM EROM RAM
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