ComputerScience Quiz 14

An array of pointers is same as
A. Pointer to array
B. Pointers to pointers 
C. Pointer to function
D. Pointer to structure
Ans:B

2s complement of -539 is (in hexa)
a. DE5
b. 5E5
c. AC5
d. none
first convert 539 to binary then 2s complement the hexa then check the ans
-539 in 2s complement is 1101 1110 0101 then its hex value is DE5.

What difference does the 5th generation computer have from other generation computers?
A. Technological advancement
B. Scientific code
C. Object Oriented Programming
D. All of the above  
E. None of the above
Ans:D

What was the name of the first commercially available microprocessor chip?
a. Intel 308
b. Intel 33
c. Intel 4004
d. Motorola 639
Answer: c
Explanation: The Intel 4004 is a 4-bit central processing unit (CPU) released by Intel Corporation in 1971

Which of the following files will displayed by this command cat *ch*
A.patch
B.catch
C..ch
D.All of the above
Ans:D

If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use
A.tty ^c
B.stty intr \^c   
C.stty echoe
D.stty echo \^a
Ans:B


Which of the following is not a communication command.
A.write
B.mesg
C.mail
D.Grep  
Ans:D

Which of the following keys is used to move the cursor to the end of the paragraph.
A.}
B.{
C.|
D.$
Ans:A

Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?
A.cat emp[!0-9] 
B.more [emp][!0-9]
C.cat emp[x-z]
D.cat emp[a-z]
Ans:A
   
The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as
a. Magnetic core memory
b. Magnetic tape memory
c. Magnetic disk memory
d. Magnetic bubble memory
Answer: d
Explanation: Bubble domain visualization by using CMOS-MagView.







The ALU of a computer normally contains a number of high speed storage element called
a. Semiconductor memory
b. Registers
c. Hard disks
d. Magnetic disk
Answer: b
Explanation: External control unit tells the ALU what operation to perform on that data, and then the ALU stores its result into an output register.

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