Computer Science Quiz

Q76. In a computer, the parity bit is added for the purpose of
(a) Coding
(b) Error detection
(c) Controlling
(d) Indexing

Q77. What is the tool for recording the amount of time spent for slide presentation
(a) Rehearse timing
(b) Slide time setting
(c) Slide timer
(d) Timing recorder

Q78. What is the first computer that used a stored program concept
(d) SPCC

Q79. A group of four bits is also called
(a) Nibble
(b) Quarted
(c) Bit Set
(d) Byte

Q80. What is the register that contains the address of the next instruction
(a) Instruction register
(b) Accumulator
(c) Container
(d) Program counter

Q81. One GHz is one _____ cycles per second
(a) thousand
(b) million
(c) billion
(d) trillion

Q82. The DES algorithm has a key length of
(a) 16 bits
(b) 32 bits
(c) 64 bits
(d) 128 bits

Q83. The average number of transaction completed in a given time is called as
(a) response time
(b) throughput
(c) commit
(d) serial schedule

Q84. ISDN is an example of ___ network
(a) Circuit switched
(b) Packet switched
(c) Electric switch
(d) None

Q85. When a packet is lost in transit, it should be handled by ____
(a) error control
(b) loss control
(c) sequence control
(d) duplication control

Q86. Which is not a valid join in SQL
(a) left outer join
(b) partial outer join
(c) full outer join
(d) natural full outer join

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